Hiking the Elan Valley – Wales' Hidden Walking Paradise

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The Elan Valley — On Film

A glimpse into one of Wales' most spectacular walking destinations. Turn the sound up. 🎵

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📍 Elan Valley, Mid Wales · Filmed on the trails around the reservoir system

Why the Elan Valley?

The Elan Valley estate was created in the 1890s when a series of dams were built to supply water to Birmingham — a feat of Victorian engineering that transformed the landscape forever. The result is a chain of six reservoirs stretching over 9 miles, flanked by sweeping moorland and dense woodland, all managed today by Welsh Water and a dedicated estate team.

For walkers, it's the complete package. The valley offers everything from gentle, flat reservoir-side strolls to serious mountain days with rough ground, stream crossings and summit scrambles. The 80 miles of rights of way crisscross the estate, meaning return visits always reveal something new. And with a red kite feeding station nearby at Gigrin Farm, Rhayader, the chances of spotting these magnificent birds wheeling overhead are near certain.

The Best Scenic Routes

If you want to make the most of the dam and reservoir scenery — which is, frankly, the whole point of coming — these are the three standout options recommended by Visit Wales and the official Elan Valley walking pages.

1. Caban Coch / Garreg Ddu / Pen y Garreg / Craig Goch Circular

This is the signature Elan Valley walk — the one that links all the iconic sights in a single route. You'll pass multiple dams, reservoir views and open moorland as the circuit connects Caban Coch all the way up to the Craig Goch "crown" dam at the valley's northern end. If you only do one Elan Valley route, make it this one. It's a full day out and worth every step.

2. Elan Valley Trail to Craig Goch Dam (6.2 miles each way)

Following the old railway line along the valley floor, this is a gentler but deeply scenic route. The old tramway was used during the dam construction and now forms a beautifully graded path past the major dam structures. At 6.2 miles each way you can turn around wherever suits — it works equally well as a short out-and-back or a full linear day. One of the most accessible routes on the estate.

3. Garreg Ddu Reservoir Loop (6.5 miles · ~3 hours)

If you want reservoir scenery with a woodland feel and fewer people than the main trail, Garreg Ddu delivers. The loop takes in the submerged dam — the valve tower visible above the waterline is a striking sight — and wraps through mixed woodland with excellent birdwatching. Around 6.5 miles and three hours for most walkers, this is an ideal half-day option.

The Best Hill Walks

The Elan Valley isn't just about the reservoirs. The upland moorland to the west and south of the valley is wild, remote and seriously rewarding for those who venture beyond the valley floor.

Drygarn Fawr (9.5 miles · ~5 hours)

At 641 metres, Drygarn Fawr is the highest point on the Elan Valley estate and the toughest classic day walk available here. The ground is rough and boggy in places — proper boots and an OS map are non-negotiable — but the summit rewards with sweeping 360° views across Mid-Wales. Two ancient Bronze Age cairns sit at the top, adding a layer of history to the wilderness. Experienced walkers only.

Maen Serth and Crugyn Ci (9.5 miles · ~4 hours)

Another proper hill day, Maen Serth and Crugyn Ci provides multiple climbs, several stream crossings and a real sense of upland remoteness. At a similar distance to Drygarn Fawr but slightly shorter on time, this is a strong choice if you want a demanding circular with varied terrain. The standing stone at Maen Serth — said to mark the grave of a medieval hero — is a fascinating historical stop en route.

Shorter Options & Family Walks

Not every visit needs to be a big day out. The valley has excellent shorter options that still deliver on scenery.

• Nant y Gro (3.5 miles · ~2 hours) — A lovely short loop taking in Caban Coch reservoir and Garreg Ddu, with the ruined dam that was used as a practice bombing target during WWII's Operation Chastise (the Dambusters raid). Fascinating history and great views.
• Visitor Centre to Caban Coch Dam — A simple out-and-back from the Elan Valley Visitor Centre to the impressive Caban Coch dam face. Under 2 miles and flat throughout — perfect with young children or dogs.
• Woodland walks around Cwm Elan — Signed trails from the visitor centre through ancient sessile oak woodland. Excellent for spring wildflowers and summer birdwatching.

Getting There & Base Camp

The Elan Valley is accessed via the B4518 from Rhayader, which is itself reached via the A470 through Mid-Wales. It's roughly 3.5 hours from London, 2 hours from Cardiff, and about 1 hour from Shrewsbury. There's a well-stocked visitor centre at the southern end of the valley near Caban Coch dam, with parking, toilets, a café and walking information.

Rhayader is the nearest town and has a good range of accommodation, pubs and food options. For a longer stay, there are several self-catering cottages on the estate itself — an exceptional base for a walking holiday.

My Elan Valley Routes

The Elan Valley features across several routes in my hiking app — from the quick leg-stretch of the Quick Elan Route (3.2 miles, perfect with Trigger when time is tight) to the proper full-day Penglaneinon Loop to Claerwen (13.6 miles) and the remote wilderness of Drygarn Fawr. The Long Elan Route at 7.9 miles is my go-to for a satisfying half-day without committing to a full mountain day.

It's a place I return to again and again. The light changes constantly, the birdsong is extraordinary, and there's something deeply restorative about the scale of the landscape. Book a long weekend, load the OS map, and go.

📷 Elan Valley — In Photos