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Sirhowy Valley Country Park

Historic railway valley transformed into a scenic four-mile country park for walking, cycling, and nature discovery.

4.6

A sprawling 227-hectare country park in South Wales following the course of a historic railway line through the Sirhowy Valley. The park features nearly four miles of flat, well-maintained paths alongside the River Sirhowy, with opportunities for walking, cycling, and nature watching through woodlands and meadows. Free parking and wheelchair-accessible routes make it accessible to families, dog walkers, and outdoor enthusiasts of all abilities.

A brief summary to Sirhowy Valley Country Park.

  • Monday 12 am-10:30 pm
  • Tuesday 12 am-10:30 pm
  • Wednesday 12 am-10:30 pm
  • Thursday 12 am-10:30 pm
  • Friday 12 am-10:30 pm
  • Saturday 12 am-10:30 pm
  • Sunday 12 am-10:30 pm

Local tips

  • Download the collector trail booklet before visiting to locate the ten wooden posts along the route that provide wildlife information and add an educational dimension to your walk.
  • Visit during or after rainfall to experience the park's numerous small waterfalls at their most spectacular, cascading down the hillsides into the river.
  • Bring binoculars for birdwatching; redstarts, warblers, and flycatchers can be spotted throughout the year, with different species active in different seasons.
  • Pack a picnic and plan to spend several hours exploring both the main riverside path and the woodland trails that venture up the valley sides for varied terrain.
  • Arrive early to secure parking during weekends and school holidays, as the park is popular with families and dog walkers, particularly on fine weather days.
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Getting There

  • By Car from Cardiff

    From Cardiff city centre, take the M4 motorway northbound and exit at Junction 28 towards Crosskeys. Follow local signs to the park entrance near the Full Moon roundabout at Crosskeys. The journey takes approximately 25–30 minutes. Parking is available at the main car park with a small fee (approximately £1 per visit). The postcode for sat-nav is NP11 7PX.

  • By Car from Caerphilly

    From Caerphilly town centre, head south towards Crosskeys on the A469. The park entrance is located between Crosskeys and Gelligroes along the western side of the Sirhowy Valley. Journey time is approximately 15–20 minutes. Free parking is available at the main car park with a small fee of around £1.

  • By Public Transport from Newport

    From Newport town centre, take a local bus service towards Crosskeys or Caerphilly. Services run regularly throughout the day with frequencies varying by route. Journey time is approximately 20–35 minutes depending on the specific route. Check local transport timetables for current schedules. The park is within walking distance of the Crosskeys area.

  • By Bicycle from Crosskeys

    The park is part of the Valleys Cycle Network and is accessible via cycle routes from Crosskeys. From Crosskeys town centre, follow cycle network signage towards the park entrance at the Full Moon roundabout. The journey takes approximately 10–15 minutes by bicycle. The park's flat terrain and traffic-free paths make it ideal for onward cycling exploration.

Sirhowy Valley Country Park. location weather suitability

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Discover more about Sirhowy Valley Country Park.

A Valley Shaped by Industrial Heritage

Sirhowy Valley Country Park traces the path of a remarkable piece of Welsh industrial history. The park follows the route of a former railway line that once connected Tredegar in the north to Newport docks in the south, serving the region's thriving coal and iron industries. Today, this historic corridor has been transformed into a recreational haven, preserving the valley's character while opening it to modern visitors. The flat, well-surfaced pathways that follow the old railway bed create an accessible spine through the park, offering nearly four miles of gentle terrain suitable for walkers of varying abilities.

River, Woodland, and Meadow Ecosystems

The park encompasses diverse habitats that support rich wildlife throughout the year. The River Sirhowy flows through the valley floor, its waters creating a dynamic soundtrack to any visit, with small waterfalls cascading down the hillsides during periods of rainfall. Woodlands managed by Natural Resources Wales rise from the riverbanks and extend up the valley sides, creating opportunities for more adventurous exploration beyond the main path. Two designated nature reserves—Graig Goch and Flatwoods Meadows—protect important habitats within the park boundaries. Birdwatchers can spot redstarts, warblers, and flycatchers throughout the seasons, while the meadows and riverside areas support diverse plant communities and small mammals.

Historic Landmarks and Cultural Significance

Scattered throughout the park are remnants of the valley's past that reward curious explorers. The spectacular Penllwyn Tramroad Bridge stands as a testament to Victorian engineering, its original stone sleepers still visible after more than a century. Babell Chapel, nestled within the park, marks the final resting place of the poet Islwyn, connecting the landscape to Welsh literary heritage. Ynys Hywel, a traditional working hill farm, operates within the park and welcomes school and youth groups, maintaining agricultural traditions in this valley setting.

Recreation for All Seasons

The park's infrastructure supports multiple recreational pursuits. The main tarmac path accommodates wheelchairs, buggies, and cyclists with ease, while benches positioned along the route provide rest stops. The flat terrain and traffic-free environment make it particularly popular with families, dog walkers, and cyclists of all ages. Mountain bikers utilize the park as part of the Valleys Cycle Network, while more serious walkers can venture into the woodland trails and hillside routes that offer greater physical challenge. A collector trail booklet with ten wooden posts along the route provides educational information about local wildlife, adding an interpretive dimension to visits.

Seasonal Transformation and Weather Patterns

The valley's appearance shifts dramatically with the seasons. Spring brings new growth and bird activity, summer offers lush green canopies and full river flows, autumn transforms the woodlands with changing colours, and winter reveals the skeletal structure of the landscape. The Welsh climate ensures regular rainfall, which feeds the waterfalls and maintains the river's character, though the park remains accessible year-round thanks to its well-maintained surfaces and open design.

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