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Llyn Brianne Dam Crossing – Llyn Brianne Dam loop from River Towy

Routes

Hiking trails & Routes

Llyn Brianne Dam Crossing – Llyn Brianne Dam loop from River Towy

Moderate

4.4

(16)

hikers

Llyn Brianne Dam Crossing – Llyn Brianne Dam loop from River Towy

03:24

11.9km

280m

Hiking

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: May 6, 2026

Waypoints

Start point

Parking

Get Directions

599 m

Llyn Brianne Dam Crossing

Highlight • Bridge

Llyn Brianne is a spectacular reservoir at almost 300m (990ft) above sea level. It is Wales second largest reservoir by volume and is contained by a 91m (300ft) stone-built dam, which is the largest of its kind in Europe.

Tip by

3.23 km

Path from Troed Rhiw to the Dam

Highlight • Trail

4.93 km

Fallen Trees

Highlight • Trail

Climb around the fallen trees

Tip by

5.56 km

Waterfall Viewpoint

Highlight • Viewpoint

7.98 km

RSPB Gwenffrwd-Dinas Nature Reserve

Highlight • Forest

This charming RSPB site is not far from Llyn Brianne and is home to Twm Sion Cati's cave. You'll find a great circular footpath running nearby the river, boasting beautiful …

Tip by

9.07 km

Twm Siôn Cati's Cave

Highlight • Historical Site

Often referred to as the Robin Hood of Wales, Twm Siôn Cati is said to have used this cave as his hiding place to avoid being captured.

Check out more …

Tip by

9.57 km

RSPB Gwenffrwd-Dinas

Nature Reserve

10.0 km

Twm Siôn Cati's Cave

Highlight • Viewpoint

Twm Siôn Cati's Cave Is Situated within the RSPB Gwenffrwd-dinas Nature Reserve, the cave is reachable by a walk through woodlands, alongside a river bank and a steep climb to the top of Dinas Hill.

Tip by

11.6 km

Llyn Brianne Dam

Highlight • Viewpoint

Stunning spot and worth the extra few hundred metres detour if the plan is otherwise to simply ride around the reservoir.

You'll find brilliant gravel and forestry roads on one …

Tip by

11.9 km

End point

Parking

Way Types & Surfaces

Way Types

6.09 km

3.54 km

1.72 km

558 m

Surfaces

6.09 km

2.21 km

1.79 km

< 100 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (310 m)

Lowest point (130 m)

Weather

Saturday 9 May

12°C

3°C

0 %

Additional weather tips

Max wind speed: 24.0 km/h

to get more detailed weather forecasts along your route

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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Llyn Brianne Dam Crossing – Llyn Brianne Dam loop from River Towy

Llyn Brianne Dam Crossing

Path from Troed Rhiw to the Dam

Fallen Trees

Waterfall Viewpoint

RSPB Gwenffrwd-Dinas Nature Reserve

Twm Siôn Cati's Cave

Twm Siôn Cati's Cave

Llyn Brianne Dam

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