Explore the Historical Charm of C&O Canal Lock 21
Discover the beauty and history of C&O Canal Lock 21, a serene landmark along the picturesque Potomac River offering outdoor adventures and rich heritage.
C&O Canal Lock 21 offers a unique glimpse into America's industrial past, set against the beautiful backdrop of Potomac River. This historical landmark invites visitors to explore its scenic trails, learn about its significant role in transport and commerce, and appreciate the tranquil beauty of the surrounding nature.
A brief summary to C&O Canal Lock 21
- 10700 Swains Lock Rd, Potomac, Maryland, 20854, US
- +1301-739-4200
- Visit website
Local tips
- Visit in the early morning or late afternoon for the best light and fewer crowds.
- Bring a picnic to enjoy by the canal while taking in the scenic views.
- Wear comfortable shoes for walking or biking along the trails.
- Check the local weather before your visit, as some trails may be muddy after rain.
- Look out for local wildlife, including various bird species and other wildlife along the canal.
Getting There
-
Car
If you are driving to C&O Canal Lock 21, start by entering the Chesapeake and Ohio Canal National Historical Park. From the park entrance, navigate towards Swains Lock Road. Use a GPS or map application to input the destination address: 10700 Swains Lock Rd, Potomac, MD 20854. Follow the directions provided by your navigation system. The drive should take approximately 15-20 minutes depending on traffic conditions. There is no admission fee for the park, but check if there are any parking fees at designated areas.
-
Public Transportation
To reach C&O Canal Lock 21 using public transportation, you can take a Metro train (Red Line) to the Grosvenor-Strathmore station. From there, you can catch the Ride On bus #47 towards the Montgomery Mall. Get off at the stop for Swains Lock Road. From the bus stop, you will have a short walk of about half a mile to reach Lock 21. Ensure you check the bus schedule in advance to plan your visit, as public transport schedules may vary.
-
Bicycle
If you prefer cycling, there are bike-friendly paths within the Chesapeake and Ohio Canal National Historical Park. You can rent a bike in the nearby areas or bring your own. Follow the C&O Canal Towpath, which runs parallel to the canal. Cycle towards Swains Lock, which is approximately a 5-mile ride from the nearest bike rental location in the park. Make sure to wear a helmet and follow all safety guidelines while cycling.
Discover more about C&O Canal Lock 21
Iconic landmarks you can’t miss
Maryland Gold Mine National Historic Landmark
4.1 km
Discover the rich history and natural beauty of the Maryland Gold Mine National Historic Landmark, a hidden gem steeped in tales of the gold rush era.
Great Falls Parking(BillyGoat)
5.6 km
Discover breathtaking views and outdoor adventures at Great Falls Park with convenient access from Great Falls Parking in Potomac, MD.
Colvin Run Mill
8.1 km
Explore Colvin Run Mill, a historical landmark in Great Falls, VA, where history meets nature, and local culture flourishes in a captivating setting.
Samuel Wade Magruder House Historic Site
8.2 km
Explore the Samuel Wade Magruder House Historic Site in Bethesda, Maryland, a captivating glimpse into the region's architectural and historical heritage.
Burling Cabin Site
8.2 km
Explore the Burling Cabin Site in McLean, VA, a historical landmark embodying early American settler life amidst serene natural beauty.
C&O Canal Lock 23
8.4 km
Discover the historical significance and scenic beauty of C&O Canal Lock 23, a serene landmark that connects you to America's past.
Chesapeake and Ohio Canal
8.9 km
Discover the Chesapeake and Ohio Canal, a historical waterway offering stunning scenery, rich history, and endless recreational opportunities for all ages.
West Montgomery Avenue Historic District
9.2 km
Explore the West Montgomery Avenue Historic District in Rockville, MD, where history, architecture, and charm come together in a beautiful setting.
Montgomery County Courthouse Historic District
9.7 km
Discover the rich history and stunning architecture of the Montgomery County Courthouse Historic District in Rockville, Maryland, a must-see for history enthusiasts.
Rockville Historic District
9.7 km
Explore the enchanting Rockville Historic District, where rich history meets charming architecture and vibrant local culture in Maryland.
Courthouse Center
9.8 km
Explore the dynamic shopping and dining experience at Courthouse Center in Rockville, MD, perfect for all your retail and culinary desires.
East Dumpling House
9.8 km
Experience authentic Chinese flavors with delicious dumplings and lively karaoke at East Dumpling House in Rockville, MD.
Downtown Crown
9.8 km
Discover the vibrant shopping, dining, and entertainment experiences at Downtown Crown in Gaithersburg, MD, a premier destination for tourists.
Red Brick Courthouse
9.9 km
Discover the historical elegance of the Red Brick Courthouse in Rockville, Maryland, a stunning testament to the region's architectural heritage.
Finnegan’s Wake Irish Pub
9.9 km
Discover the vibrant atmosphere of Finnegan's Wake Irish Pub, where authentic Irish cuisine meets local craft brews in Rockville, MD.
Unmissable attractions to see
River Trail, C&O Canal NHP
2.1 km
Discover the stunning River Trail at C&O Canal NHP, a picturesque hiking area along the Potomac River, rich in natural beauty and historical significance.
Ford Mine Trail
2.8 km
Explore the enchanting Ford Mine Trail in Potomac, MD, where stunning landscapes and wildlife abound, perfect for every hiking enthusiast.
Potomac River Dam
2.9 km
Explore the Potomac River Dam, a serene park in Maryland offering stunning views, recreational activities, and a peaceful escape into nature.
Chesapeake and Ohio Canal National Historic Park, Great Falls Maryland
3.3 km
Discover the Chesapeake and Ohio Canal National Historic Park, where history blends seamlessly with nature, perfect for exploration and relaxation.
Great Falls Hiking
3.4 km
Discover the beauty of Great Falls Hiking, where scenic trails and stunning waterfalls create the perfect outdoor adventure in Maryland.
Great Falls
3.4 km
Experience the stunning natural beauty of Great Falls, Maryland, with breathtaking waterfalls, lush trails, and endless outdoor adventures.
C&O Canal Lock 20
3.5 km
Explore the historic C&O Canal Lock 20, a serene landmark where rich history meets stunning natural beauty along the Chesapeake and Ohio Canal.
Great Falls Tavern Visitor Center
3.5 km
Explore the Great Falls Tavern Visitor Center, where history meets nature along the Chesapeake and Ohio Canal in Maryland.
Glenstone
3.6 km
Discover the stunning harmony of modern art and nature at Glenstone, a contemporary museum in Potomac, Maryland that inspires and captivates.
C&O Canal Lock 19
3.6 km
Explore the historical significance and scenic beauty of C&O Canal Lock 19, a key landmark along the Chesapeake and Ohio Canal in Maryland.
Baby Sister Falls
3.9 km
Experience the tranquil beauty of Baby Sister Falls, a scenic park in Potomac, MD, where nature and serenity come together in perfect harmony.
Little Sister Falls
3.9 km
Experience the breathtaking beauty of Little Sister Falls in Maryland, a serene destination perfect for nature lovers and adventure seekers.
Great Falls Overlook Trailhead
3.9 km
Discover the breathtaking views and trails at Great Falls Overlook Trailhead, a premier hiking destination in Maryland's scenic landscapes.
Bear Island Potomac Gorge
4.1 km
Explore the breathtaking landscapes and diverse wildlife of Bear Island Potomac Gorge, a stunning nature preserve in Maryland.
Great Falls Park
4.2 km
Experience the breathtaking views and outdoor adventures at Great Falls Park in Virginia, a perfect escape for nature lovers and thrill-seekers.
Essential places to dine
CAVA
7.4 km
Experience the vibrant flavors of Mediterranean cuisine at CAVA in Potomac—fresh ingredients and customizable dishes await!
Cava Mezze Rockville
7.5 km
Experience authentic Greek cuisine at Cava Mezze Rockville - where every meal is a celebration of Mediterranean flavors.
Cooper's Hawk Winery & Restaurant- Rockville
8.7 km
Experience exceptional American cuisine and fine wines at Cooper's Hawk Winery & Restaurant in Rockville—where every meal is a celebration.
Glenwood's (formerly Stanford Grill - Rockville)
8.7 km
Experience the finest steak and seafood at Glenwood's in Rockville - where culinary excellence meets inviting ambiance.
Clyde's Tower Oaks Lodge
8.9 km
Discover Clyde's Tower Oaks Lodge in Rockville for an unforgettable taste of classic American cuisine amidst rustic charm.
That's Amore Restaurant
9.4 km
Savor the essence of Italy at That's Amore Restaurant - where every dish tells a delicious story.
Bombay Bistro
9.6 km
Discover the vibrant flavors of India at Bombay Bistro in Rockville, offering authentic dishes for every palate, including vegan and vegetarian delights.
Paladar Latin Kitchen | Gaithersburg
9.8 km
Discover the rich flavors of Latin America at Paladar Latin Kitchen in Gaithersburg - where every dish tells a story.
Coastal Flats
9.8 km
Experience the best of seafood at Coastal Flats in Gaithersburg – where fresh flavors meet coastal charm.
Nosh Grill House
9.8 km
Discover the vibrant flavors of Asia at Nosh Grill House - where culinary creativity meets fun dining experiences in Rockville.
Ted's Bulletin
9.8 km
Experience the heart of American comfort food at Ted's Bulletin in Gaithersburg—delicious breakfasts, brunches, and bakery delights await!
Ruth's Chris Steak House
9.9 km
Experience unparalleled dining with premium steaks and exquisite seafood at Ruth's Chris Steak House in Gaithersburg.
Kumbia Restaurant
9.9 km
Discover the vibrant flavors of Latin America at Kumbia Restaurant in Rockville Town Square, where every meal is a celebration of culture.
First Watch
9.9 km
Experience fresh and delicious breakfasts at First Watch in Rockville—where health meets flavor in a family-friendly atmosphere.
Bonchon - Rockville
10.0 km
Experience the best of Korean and Japanese cuisine at Bonchon Rockville with crispy fried chicken and authentic dishes in a vibrant setting.
Markets, malls and hidden boutiques
Potomac French Market
1.3 km
Explore the charm of Potomac French Market, a treasure trove of unique gifts, antiques, and artistic creations in Potomac, Maryland.
Billy Goat Trail
5.6 km
Discover the breathtaking beauty of Billy Goat Trail, a premier hiking destination along the Potomac River, perfect for all adventure seekers.
Old Anglers Inn
5.7 km
Discover Old Anglers Inn, a historic dining destination offering exquisite American cuisine and stunning Potomac River views for an unforgettable experience.
Cabin John Village
7.4 km
Experience the best of shopping and dining at Cabin John Village, a charming destination in Potomac, Maryland.
Occasions
7.5 km
Explore Occasions Gift Shop in Potomac, MD for unique gifts and local treasures that beautifully capture your visit.
On Cloud 9
8.0 km
Discover unique and stylish children's clothing at On Cloud 9 in Potomac, Maryland – a boutique dedicated to making kids' fashion fun and exciting.
White House Black Market
8.4 km
Discover stylish women's clothing and accessories at White House Black Market in Bethesda, where fashion meets quality and elegance.
francesca's
8.4 km
Discover a unique blend of fashion and accessories at Francesca's, a must-visit boutique in Bethesda for stylish women and trendy gifts.
Urban Outfitters
8.5 km
Discover the latest fashion, beauty, and home goods at Urban Outfitters in Bethesda's Montgomery Mall, your ultimate shopping destination.
Westfield Montgomery
8.5 km
Explore Westfield Montgomery: A premier shopping destination in Bethesda, Maryland, featuring top brands, dining, and entertainment for all ages.
2 the 9s
8.5 km
Shop the latest trends at 2 the 9s, Bethesda's premier women's clothing boutique offering stylish and contemporary fashion choices.
Fallsgrove Village Center
8.5 km
Explore Fallsgrove Village Center, where shopping, dining, and local culture come together in Rockville, Maryland.
Lillie and Eve
8.6 km
Explore Lillie and Eve, a unique gift shop in Bethesda, MD, featuring local artisans and handcrafted treasures that capture the essence of the area.
Our Gift Biz
9.2 km
Explore Our Gift Biz in Rockville, MD, for unique gifts and local treasures that capture the spirit of your visit.
Muddy Branch Square
9.6 km
Explore Muddy Branch Square, a bustling shopping mall in Gaithersburg offering diverse shops, delicious dining, and a vibrant atmosphere for all visitors.
Essential bars & hidden hideouts
Moby Dick House of Kabob
3.3 km
Experience authentic Persian and Mediterranean flavors at Moby Dick House of Kabob in Potomac, MD, perfect for food lovers and families alike.
Hunter’s Bar and Grill
3.4 km
Discover the flavors of America at Hunter’s Bar and Grill, where delicious food meets a welcoming atmosphere in Potomac, Maryland.
En Bistro & Sushi
3.4 km
Experience the finest sushi and Japanese cuisine at En Bistro & Sushi, a Potomac culinary treasure.
Old Brogue Irish Pub
5.5 km
Discover an authentic Irish pub experience in Great Falls, VA, with traditional dishes, extensive drink selections, and a warm atmosphere.
Gregorio's Trattoria
7.7 km
Experience the essence of Italy at Gregorio's Trattoria, where every meal is a celebration of authentic flavors and warm hospitality.
The Grove
7.7 km
Experience the unique charm of The Grove in Potomac, Maryland, where delicious cuisine meets a stunning cherry blossom theme.
Quincy’s Potomac Bar & Grille
8.0 km
Discover Quincy’s Potomac Bar & Grille, where delicious grilled dishes and a vibrant atmosphere await in Potomac, Maryland.
Gringos & Mariachis
8.1 km
Experience authentic Mexican cuisine and innovative cocktails in a lively setting at Gringos & Mariachis, Potomac's premier dining destination.
MoCo's Founding Farmers
8.1 km
Experience the essence of American cuisine at MoCo's Founding Farmers, where farm-fresh ingredients meet hearty flavors in a welcoming atmosphere.
Darcy's Bar + Kitchen
9.2 km
Discover the vibrant atmosphere and delicious offerings at Darcy's Bar + Kitchen, the perfect blend of bar and restaurant in Bethesda, MD.
Wild Tomato
9.4 km
Experience the best of American comfort food at Wild Tomato in Cabin John, where flavor meets a cozy atmosphere for unforgettable dining.
Velocity Wings - Potomac Falls
9.9 km
Experience the ultimate chicken wing adventure at Velocity Wings in Potomac Falls, where flavor meets sports in a vibrant atmosphere.
Pour Vino N' Hops
10.0 km
Discover the best wines and craft beers at Pour Vino N' Hops, a cozy gem in Rockville, perfect for relaxation and tasting local flavors.
World of Beer
10.0 km
Experience a world of flavors at World of Beer, Rockville's go-to gastropub for craft beer and gourmet dining.
The Spot Bar
10.0 km
Experience the lively atmosphere and diverse drink selection at The Spot Bar in Rockville, a favorite among locals and tourists.
