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St. Harmon

The best walks and hikes around St. Harmon

4.4

(433)

3,140

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91

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Walking routes in St Harmon, Wales, are set within a landscape of rolling hills and river valleys. The region is located near the Cambrian Mountains and the celebrated Elan Valley, offering a variety of terrains for hikers. Routes often follow riverside paths or climb to viewpoints over the surrounding countryside.

Best hiking trails around St. Harmon

  • The most popular hiking route is Afon Elan Suspension Bridge – Elan Valley Visitor Centre loop from Rhayader, a 10.2 mile (16.5 km)…

Last updated: June 25, 2026

4.8

(4)

23

hikers

#1.

Elan Valley Visitor Centre – Elan Valley Trail loop from Rhayader

16.2km

04:36

330m

330m

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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Moderate

Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.

Hard
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Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate
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Popular around St. Harmon

Cycling around St. Harmon

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Tips from the Community

Mattcliff
June 25, 2026, Clive Powell Bikes

Now Neil's Wheels!

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You can walk anywhere lovely setting

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Lovely sweeping valley

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Sorted me out with fresh brake pads. Proper bike shop with almost everything you’d need.

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Basic gift shop and toilets, along with a cafe.

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A good way into the valley. A flat out gravel surface that winds around the dams for miles

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Lovely place

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NJ
May 14, 2025, The Lamb & Flag

Always head here when cycling in the area.

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Frequently Asked Questions

Are there many hiking trails to choose from around St. Harmon?

Yes, there are over 90 marked hiking trails in the St. Harmon area. The network includes 32 easy routes perfect for a gentle walk, 50 moderate trails for a good day out, and 13 difficult hikes for those seeking a challenge in the Welsh hills.

What do other hikers enjoy about the trails in this region?

The trails around St. Harmon are highly regarded by the komoot community. Hikers often praise the stunning views across the Cambrian Mountains, the peaceful riverside paths along the Wye and Marteg, and the dramatic scenery of the Elan Valley's Victorian dams and reservoirs.

Are there any easy, shorter circular walks for beginners?

The area is well-suited for beginners, with many shorter loops available. A great option is the Rhayader Town Centre – Afon Elan Suspension Bridge loop from Rhayader. This moderate walk is just over 8 km and offers lovely river views without too much strenuous climbing.

Can I take my dog on the hiking trails?

Many trails in the St. Harmon area are suitable for hiking with dogs. However, this is a rural area with active farmland and protected nature reserves. Always keep your dog on a lead, especially near livestock and during bird nesting season (typically March to July). Be sure to check specific rules for areas like the Gilfach Nature Reserve.

What are some good family-friendly walking options?

The Elan Valley is particularly family-friendly. The main Elan Valley Trail follows a former railway line, making it relatively flat and accessible for pushchairs and younger children. Additionally, the Gilfach Nature Reserve offers an Easy Access Trail, ensuring everyone can enjoy the scenery.

Where can I see waterfalls on a hike?

For waterfalls, head to the Gilfach Nature Reserve. The River Marteg tumbles through the reserve, creating a series of picturesque waterfalls and cascades. The Marteg Valley Trail within the reserve is an excellent way to experience this beautiful feature of the landscape.

Are there any long-distance hikes in the area?

Yes, for those looking for a full-day challenge, the Radnorshire Millennium Stones – Elan Valley Visitor Centre loop from Rhayader is a great choice. This moderate 12 km route takes you through varied landscapes. For an even more demanding trek, consider a long loop around the reservoirs in the Elan Valley.

What is the terrain like on the trails around St. Harmon?

The terrain is quite varied. You can expect everything from gentle, flat riverside paths along the Wye and Elan to rolling hill paths with some steep sections. Many trails climb to viewpoints, rewarding you with expansive views of the high moorland and green valleys characteristic of Mid Wales.

What kind of wildlife might I see while hiking?

The region is rich in wildlife. Keep an eye out for red kites soaring overhead, which are a common sight. In the oak woodlands and along rivers like the Marteg, you might spot dippers and pied flycatchers. The River Wye is also known for being home to otters and kingfishers.

When is the best time of year to hike in St. Harmon?

Hiking is possible year-round, but late summer is particularly beautiful when the hills are covered in a blaze of purple bell heather and yellow gorse. Spring offers lush green landscapes and vibrant wildflowers in the meadows. Always check the weather forecast before you go, as conditions in the Welsh hills can change quickly.

Is it possible to reach the trailheads using public transport?

St. Harmon is a rural village, and public transport options can be limited. The nearby town of Rhayader has better bus connections. From there, some trailheads, particularly those around the Elan Valley Visitor Centre, may be accessible. However, for maximum flexibility in exploring the wider area, traveling by car is recommended.

Are there any notable nature reserves to visit for walking?

The Gilfach Nature Reserve is a must-visit. This spectacular 166-hectare reserve, a former hill farm, features several waymarked trails through ancient oak woodlands and along the River Marteg. For a different experience, the Cors y Llyn National Nature Reserve offers a peaceful walk through a rare basin mire habitat.

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