Mynydd Mawr: Historic Coastal Sentinel of North Wales
Historic coastal lookout with panoramic sea views, ancient cairns, and WWII heritage on Anglesey’s scenic Llŷn Peninsula.
Mynydd Mawr is a prominent historical landmark located near Ty Croes on Anglesey, North Wales. Known for its commanding coastal views over the Irish Sea and the Llŷn Peninsula, it served as a Victorian coastguard lookout and a strategic WWII radar station. The site features Bronze Age cairns, prehistoric hut remains, and disused limestone quarries, blending natural beauty with rich heritage. It lies within an Area of Outstanding Natural Beauty, offering visitors panoramic vistas and a glimpse into Wales’ coastal defense history.
A brief summary to Mynydd Mawr
- 6F5W+2V, Ty Croes, Ty Croes, GB
- Visit website
- Duration: 1 to 3 hours
- Free
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Outdoor
- Mobile reception: 4 out of 5
Local tips
- Bring sturdy footwear for uneven terrain around the prehistoric hut remains and quarry areas.
- Visit on a clear day for spectacular views of Bardsey Island and, in exceptional conditions, the mountains of Ireland.
- Explore the WWII concrete bases and imagine the site's role in Britain's coastal defense.
- Respect the protected status of the area by staying on marked paths and taking all litter home.
For the on-the-go comforts that matter to you
- Information Boards
- Seating Areas
- Trash Bins
Getting There
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Car
Driving from central Anglesey, expect a 25 to 35-minute journey via the A5 and A5025 roads. Parking is available near the site but limited, especially during peak seasons. No parking fees apply.
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Bus
Local bus services run from Llangefni to Ty Croes approximately every 1 to 2 hours, with a 10 to 15-minute walk over uneven terrain to reach Mynydd Mawr. Tickets cost around £3-£5 one way.
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Walking
For those staying nearby in Ty Croes, a 30-minute moderate walk over grassy and rocky paths leads to the summit. Suitable footwear is recommended due to uneven ground.
Mynydd Mawr location weather suitability
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Any Weather
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Clear Skies
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Windy Conditions
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Mild Temperatures
Discover more about Mynydd Mawr
Strategic Coastal Watchpoint with Military Heritage
Mynydd Mawr, situated at the westernmost tip of North Wales mainland near Ty Croes, has long been valued for its expansive sea views. During the Victorian era, it was selected as a key coastguard semaphore signalling station to monitor the treacherous coastal waters and aid maritime safety. This role expanded significantly during the First and Second World Wars when the site was upgraded with radar equipment, an army guardhouse, and gun emplacements to detect and defend against German air raids targeting Liverpool and other strategic locations. Concrete bases of these military structures remain visible today, preserving the site's wartime legacy.Ancient Archaeological Footprints
Beneath Mynydd Mawr’s modern history lies a deep prehistoric past. The summit hosts the base of a Bronze Age cairn, a burial monument dating back thousands of years. Nearby are the remains of three circular prehistoric huts, each approximately 4 to 4.5 meters in diameter, indicating early human settlement and activity. The surrounding disused limestone quarries, once exploited in the early 20th century for architectural stone, hint at the area's long-standing resource use. These archaeological features connect visitors to the ancient peoples who shaped this landscape.Natural Beauty within a Protected Landscape
Mynydd Mawr is part of the Llŷn Peninsula Area of Outstanding Natural Beauty (AONB), designated in 1957 to conserve its unique coastal environment. The site offers breathtaking panoramic views across the Irish Sea, including sights of Bardsey Island (Ynys Enlli), a place of pilgrimage and legend. The peninsula’s geology is notable for its complex Precambrian rock formations, including pillow lavas and jasper, formed by ancient tectonic activity. The natural habitat supports distinctive wildlife such as the emblematic chough, whose graceful flight and vivid red bill are a highlight for nature enthusiasts.Spiritual and Cultural Connections
Historically, Mynydd Mawr was the last mainland stop for pilgrims journeying to Bardsey Island, reputed to be the burial site of 20,000 saints and a place of great spiritual significance. The ruins of St. Mary’s church near the cliffs served as a sanctuary for these travelers, who sought protection for their perilous crossing. Nearby, the well of St. Mary, a freshwater pool submerged at high tide, is steeped in local legend promising wishes granted to those who could carry its water safely. These cultural narratives enrich the visitor experience with a sense of mysticism and reverence.Visitor Experience and Landscape Appreciation
Today, Mynydd Mawr invites exploration of its rugged terrain, historical remnants, and sweeping vistas. The National Trust manages the site, with volunteers occasionally providing information from the former coastguard hut. The blend of natural and historical elements creates a tranquil yet evocative atmosphere, ideal for photography, contemplation, and appreciating Wales’ coastal heritage. The nearby disused quarries and prehistoric remains add layers of intrigue, making it a multifaceted destination for history buffs and nature lovers alike.Preservation and Conservation Efforts
As part of the Llŷn AONB, Mynydd Mawr benefits from ongoing conservation initiatives aimed at protecting its geological features, wildlife habitats, and cultural heritage. Efforts include maintaining traditional road signs, milestones, and wells, ensuring the landscape’s character endures for future generations. The site’s protected status emphasizes sustainable visitor access and the importance of preserving this unique coastal sentinel’s natural and historical integrity.Iconic landmarks you can’t miss
Cadair y Cythraul
9.4 km
Discover the mysterious 'Chair of the Devil' in Llanfairpwllgwyngyll, a historic landmark steeped in Welsh myth and ancient landscape charm.
Celtic cross
9.9 km
A serene Celtic Cross memorial honoring Welsh poet Syr John Morris-Jones, set beside historic St. Mary's Church with stunning Menai Strait views.
Porth y Clochydd
9.9 km
Explore the historical landmark of Porth y Clochydd in Llanfairpwllgwyngyll, a captivating site steeped in rich Welsh heritage and scenic beauty.
Bryn Gwyn Standing Stones
13.8 km
Discover the towering Neolithic Bryn Gwyn Standing Stones, ancient sentinels of Anglesey’s prehistoric past and ritual heritage.
Caer Leb (Prehistoric Castle Enclosure)
14.7 km
Explore Caer Leb, a prehistoric fortified enclosure with water-filled ditches that reveal ancient defensive ingenuity on scenic Anglesey.
Hen Eglwys Llanfihangel Ysgeifiog
15.1 km
Explore the evocative ruins of Hen Eglwys Llanfihangel Ysgeifiog, a medieval Welsh church steeped in history and nestled in tranquil Anglesey countryside.
Pont Yr Aber
16.8 km
A scenic swing bridge linking Caernarfon Castle with woodland paths, offering iconic views and a touch of maritime theatre as boats pass beneath.
Caernarfon Tower
16.8 km
Explore Caernarfon Tower, a medieval fortress sentinel offering breathtaking views and rich Welsh history in a UNESCO World Heritage setting.
CARN / Oriel Pendeitsh
16.8 km
Discover contemporary Welsh art and culture in Caernarfon’s inspiring Oriel Pendeitsh gallery, a vibrant creative hub above the Tourist Information Centre.
Caernarfon War Memorial
17.0 km
A dignified stone pillar in Castle Square honoring Caernarfon’s fallen heroes from the World Wars and beyond.
South African War Memorial
17.1 km
A wheel-headed Celtic cross honouring 173 Caernarfonshire soldiers lost in the Boer War, unveiled in 1904.
Ynys yr Eglwys
22.2 km
Discover the serene charm and rich heritage of Ynys yr Eglwys, a peaceful island gem beside the iconic Menai Suspension Bridge.
Tŷ-Gwyn Menhir
22.6 km
Discover the ancient Tŷ-Gwyn Menhir near Menai Bridge, a prehistoric standing stone steeped in druidic mystery and Welsh heritage.
Tafarn Snowdonia Parc
23.0 km
Discover the heart of Welsh culture at Tafarn Snowdonia Parc, where delicious food meets stunning natural beauty in Snowdonia National Park.
Borth Wen
23.1 km
Sheltered sandy cove on Anglesey’s southern shore, blending coastal beauty with historic charm and natural tranquility.
Unmissable attractions to see
Barclodiad y Gawres
0.1 km
Explore Anglesey’s ancient chambered tomb with rare Neolithic carvings and stunning coastal views at Barclodiad y Gawres.
Twll Bwgan
0.3 km
Explore Twll Bwgan, a mysterious historical landmark in Ty Croes where Welsh folklore and serene landscapes intertwine.
Maen Mawr
2.4 km
Discover Maen Mawr, a majestic prehistoric stone monument in Rhosneigr, where ancient heritage meets the wild coastal beauty of Anglesey.
Eglwys Cwyfan
2.6 km
A serene 12th-century medieval church perched on a tidal island, blending history, sea, and Welsh heritage in a stunning coastal setting.
Goleudy Tŵr Mawr
9.9 km
Explore the breathtaking Goleudy Tŵr Mawr, a historic lighthouse offering stunning views and rich maritime heritage in Caernarfon, Wales.
Llys Rhosyr
10.4 km
Explore the only visible medieval royal court of the Welsh Princes, where history and heritage meet the stunning Anglesey landscape.
Maes Parcio Ynys Llanddwyn and Newborough Beach
10.5 km
Discover the tranquil blend of sandy beaches, forest trails, and rich wildlife at Maes Parcio Ynys Llanddwyn and Newborough Beach on Anglesey.
Anglesey Transport Museum & Café - Tacla Taid
11.0 km
Discover Wales’ largest transport museum with over 130 vehicles, live restorations, and a cozy café in scenic Anglesey.
Anglesey Model Village & Cafe
11.7 km
Discover Anglesey’s charm in miniature form with scenic gardens, detailed models, and a cozy cafe experience.
Bodowyr Burial Chamber
13.5 km
Explore the enigmatic Neolithic Bodowyr Burial Chamber on Anglesey, a timeless passage grave set amidst stunning Welsh countryside and panoramic Snowdonia views.
Castell Bryn Gwyn
14.0 km
Explore Castell Bryn Gwyn, a peaceful Neolithic enclosure on Anglesey with millennia of history etched into its ancient earthworks.
Oriel Môn
14.1 km
Discover Anglesey’s rich heritage through art, history, and community at Oriel Môn, a vibrant museum and gallery in Llangefni.
Melin Llynon, Llanddeusant
14.5 km
Wales' only working windmill—a living monument to 18th-century milling heritage and rural craftsmanship.
Holyhead Maritime Museum
15.0 km
Explore Wales’ oldest lifeboat station and WWII air raid shelter, unveiling Holyhead’s rich maritime and wartime heritage by the scenic Newry Beach.
Anglesey Sea Zoo
15.7 km
Discover native British marine life and conservation efforts at Wales' largest aquarium, a family-friendly hub with interactive exhibits and fun activities.
Essential places to dine
Sandy Mount House
2.6 km
A stylish beach house hotel and restaurant in Rhosneigr, blending contemporary comfort with coastal charm just minutes from the sandy shore.
The White Eagle
7.7 km
Coastal dining with warm hospitality, fresh local flavors, and a dog-friendly welcome in the heart of Rhoscolyn, Anglesey.
Catch 22 Brasserie
9.4 km
Family-run brasserie in Valley, Anglesey, serving fresh, locally sourced Welsh dishes with Mediterranean flair in a warm, modern setting.
Y Marram
11.6 km
Discover Y Marram, Anglesey’s fine dining gem offering innovative dishes crafted from fresh, local ingredients in a serene coastal setting.
Molly's
16.6 km
Contemporary bar and restaurant at Coed Helen Holiday Park offering fresh, shareable dishes and scenic views near Caernarfon.
SeaView Indian Restaurant
16.7 km
Authentic Indian flavors by Caernarfon harbour, blending culinary excellence with a serene waterfront setting.
Fu's
16.7 km
Authentic Cantonese dining with family-friendly warmth in Caernarfon's scenic marina setting.
Harbour Table Table
16.7 km
Family-friendly British pub and restaurant overlooking Caernarfon’s Victoria Dock, offering hearty meals and scenic views of the Menai Strait.
Galeri Café Bar
16.8 km
Enjoy fresh local flavors and stunning waterfront views at Galeri Café Bar, Caernarfon’s cozy hub for breakfast and casual dining.
The Old Courthouse, Caernarfon
16.8 km
Historic neo-classical courthouse turned elegant bistro with stunning views of Caernarfon Castle and a modern British menu.
Black Boy Inn Four & Six Restaurant & Bar
16.8 km
Discover authentic Welsh cuisine at Black Boy Inn Four & Six Restaurant & Bar in Caernarfon, where tradition meets modern dining.
Wal Restaurant
16.9 km
Experience the warm hospitality and diverse flavors of Welsh, British, and Italian cuisine at Wal Restaurant in the heart of Caernarfon.
Tân Woodfired Pizza
16.9 km
Savor authentic wood-fired pizzas in a cozy Caernarfon setting, blending traditional flavors with local charm every evening.
Four Alls
16.9 km
Historic charm meets delicious fare at The Four Alls, Caernarfon’s beloved pub and restaurant for great food, drinks, and community spirit.
The Market Hall Brew Pub
16.9 km
Discover the essence of Welsh hospitality at The Market Hall Brew Pub in Caernarfon – where local brews meet delicious bites.
Markets, malls and hidden boutiques
Quba & Co
2.7 km
Discover stylish nautical and beachwear at Quba & Co, a welcoming boutique in Rhosneigr’s scenic coastal village.
Hiraeth Vintage
8.2 km
Discover timeless vintage and antique homewares blending Welsh heritage with modern style in a charming family-run online boutique.
E&T Clothing and Gifts
9.6 km
Discover stylish clothing and unique gifts infused with local charm at E&T Clothing and Gifts in Valley, Holyhead.
The Last Trading Post
13.7 km
Discover unique Welsh craftsmanship and handcrafted homewares at The Last Trading Post in the heart of Llangefni.
Gwynedd A Môn Age Cymru
13.7 km
Explore unique treasures at Gwynedd A Môn Age Cymru, where every purchase supports local community initiatives in Llangefni.
Mon Fashion
13.9 km
Discover unique local fashion and personalized style at Mon Fashion, a charming boutique in the heart of Llangefni.
Sew Picturesque/Oriel Cefni
13.9 km
Discover exquisite fabrics, unique handmade gifts, and local artistry at Sew Picturesque, Llangefni’s beloved sewing and gift boutique.
Siop Ellis - SPAR
14.0 km
Discover local flavors and everyday essentials at Siop Ellis - SPAR, a convenience store in the heart of Llangefni, Anglesey.
Anglesey Hamper Company
14.5 km
Discover bespoke Welsh luxury hampers crafted with locally sourced artisan produce from the heart of Anglesey.
Hootons Homegrown Farm Shop.+ Farmer Hooton's Tatws Poeth Hot Potatoes
16.4 km
Experience fresh, homegrown produce and traditional Welsh hot potatoes at Hootons Homegrown Farm Shop in the heart of Anglesey’s countryside.
Mirsi
16.8 km
Discover stylish, affordable women's fashion in the heart of historic Caernarfon at Mirsi Boutique on High Street.
Slate and Things
16.8 km
Discover authentic Welsh slate crafts and unique souvenirs in the heart of historic Caernarfon at Slate and Things.
Craftcentre Cymru
16.9 km
Discover authentic Welsh handmade crafts and unique gifts in the heart of historic Caernarfon, opposite the iconic castle.
Siop Y Ddraig
16.9 km
Discover authentic Welsh gifts and souvenirs in a charming shop steeped in local culture at Caernarfon’s Siop Y Ddraig.
Lwsi
16.9 km
Discover unique sustainable fashion treasures in Caernarfon’s charming secondhand boutique nestled within medieval town walls.
Essential bars & hidden hideouts
Starvation Bar & Kitchen
2.5 km
Chic cocktail bar in Rhosneigr serving American street food and classic pub dishes in a lively coastal setting.
Y Morfa
2.5 km
A cozy, lively pub in Rhosneigr offering friendly vibes, affordable drinks, and a true taste of coastal Anglesey community spirit.
Tafarn Yr Iorwerth
7.1 km
Experience authentic Welsh hospitality and traditional flavors at Tafarn Yr Iorwerth, Bryngwran’s vibrant community pub and live music venue.
The White Lion
10.7 km
A cozy, welcoming village pub in Llanfairpwllgwyngyll offering hearty meals, local charm, and comfortable accommodation in scenic Anglesey.
Tafarn Y Rhos
11.3 km
A lively and welcoming pub with hearty local fare and cozy guesthouse rooms nestled in the heart of Rhostrehwfa near Llangefni.
Tafarn Y Railway
13.7 km
A traditional Welsh village pub in Llangefni offering local ales, lively events, and a warm community atmosphere.
The Foundry Vaults
13.8 km
A lively pub and sports bar in Llangefni’s heart, offering drinks, karaoke, and a welcoming atmosphere for locals and visitors alike.
The Market Vaults
13.8 km
A lively and friendly traditional pub in Llangefni’s town centre, known for great music, local charm, and affordable drinks.
Albert Vaults
14.5 km
A welcoming and lively traditional pub in the heart of Holyhead, offering authentic Welsh coastal charm and friendly local vibes daily from noon to late.
Y Groeslon
15.9 km
A friendly, recently refurbished village pub in Brynsiencyn offering great food, drinks, and a welcoming atmosphere on Anglesey.
Anglesey Arms
16.8 km
Historic harbourfront pub and inn in Caernarfon offering cozy rooms, hearty Welsh fare, and stunning views of Menai Strait and Caernarfon Castle.
The Crown Y Goron
16.8 km
A cozy, family-friendly Welsh pub in Caernarfon offering local ales, home-cooked meals, and a warm, inviting atmosphere seven days a week.
Tŷ Glyndŵr Bunkhouse & Su's Cocktail Bar
16.8 km
Cozy Georgian hostel with a lively cocktail bar, local flavors, and live music just steps from Caernarfon Castle in the heart of North Wales.
Market Hall
16.9 km
Historic Market Hall in Caernarfon offering excellent pints, authentic kebabs and curries, plus lively open mic nights in a vibrant local setting.
Palace Vaults
16.9 km
A cosy, historic pub opposite Caernarfon Castle offering hearty fare, live music, and a welcoming atmosphere in the heart of Gwynedd.
Nightclubs & after hour spots
Wellman's Sports & Social Club
14.0 km
Llangefni’s vibrant social hub with lively entertainment, spacious dance floor, and a welcoming community atmosphere.
The Buffs
14.5 km
A welcoming social club in Holyhead offering lively nights, friendly faces, and a true taste of local nightlife on Cambria Street.
Academi
24.8 km
Bangor’s beloved student nightclub, offering vibrant music, a welcoming atmosphere, and a central role in university social life.
Trilogy Nightclub
25.4 km
Experience Bangor’s vibrant nightlife at Trilogy Nightclub, where diverse music rooms and lively weekend parties create unforgettable nights.
Vics Boogie-Nights
34.7 km
Experience the vibrant nightlife at Vic's Boogie-Nights, Abererch's premier bar for music, dancing, and unforgettable memories.
The Cove
35.5 km
Experience the vibrant nightlife at The Cove in Hafan Y Mor, North Wales, where music, dancing, and unforgettable memories await.
Clwb Llyn Bach
39.9 km
Discover the lively spirit of Clwb Llyn Bach, a top pub in Porthmadog offering great drinks, vibrant events, and a friendly atmosphere.
Black Rock Beach Club
40.0 km
Experience the ultimate beachside retreat at Black Rock Beach Club with delicious grilled dishes and breathtaking coastal views.
Club 147
46.5 km
Llandudno’s energetic nightclub and sports bar offering electronic beats, pool, and a lively social scene in the town centre.
Bryn Arms
47.2 km
A cozy pub in Gellilydan offering hearty homemade meals, lively events, and charming gardens for a welcoming Welsh experience.
Broadway Boulevard
47.4 km
Llandudno’s largest nightclub, Broadway Boulevard pulses with vibrant music, themed events, and a lively party atmosphere in the heart of town.
New Horizons
56.7 km
Experience vibrant nightlife and lively music at New Horizons, Dyffryn Ardudwy’s welcoming nightclub with spaces for all ages.
The Club Barmouth
61.7 km
Experience vibrant Saturday nights at The Club Barmouth, where stylish vibes meet lively music by the scenic Welsh coast.
Bentley’s Sports Bar & NightClub
65.2 km
Experience Towyn’s vibrant nightlife at Bentley’s Sports Bar & NightClub, where music, dancing, and great vibes come alive every weekend.
Ellis's Bar
68.3 km
Discover the lively nightlife at Ellis's Bar in Rhyl, a vibrant spot for cocktails, music, and unforgettable moments.
For the vibe & atmosphere seeker
- Scenic
- Tranquil
- Unique
- Relaxing
For the design and aesthetic lover
- Rustic Designs
For the architecture buff
- Historic
- Landmarks
For the view chaser and sunset hunter
- Iconic Views
- Panoramas
- Waterfront
- Sunset Spots
For the social media creator & influencer
- Instagrammable
- Photo Spots
- Selfie Spots
For the eco-conscious traveler
- Protected Area
- Nature Reserve
- Low Impact
- Public-Transport Accessible
- Locally Managed
For the kind of experience you’re after
- Cultural Heritage
- Nature Escape
- Photowalk
- Day Trip
- Weekend Getaway
- Myth & Legends
For how adventurous you want the journey to be
- Easy Access
Location Audience
- Family Friendly
- Senior Friendly
- Child Friendly
- Teen Friendly
- Wheelchair Access
- Solo Friendly
- Couple Friendly
- Solo Female Friendly
- Vegetarian Friendly
- Vegan Friendly