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Fan Hir – Llyn y Fan Fawr loop from Penwyllt

Routes

Running trails & routes

Fan Hir – Llyn y Fan Fawr loop from Penwyllt

Hard

5.0

(1)

runners

Fan Hir – Llyn y Fan Fawr loop from Penwyllt

02:17

16.0km

640m

Running

Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: August 5, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Bannau Brycheiniog National Park

Waypoints

Start point

Bus stop

Get Directions

1.33 km

View of the Hills in Bannau Brycheiniog National Park

Highlight • Trail

having come across the bridge and through 3 gates head straight up the hill infront of you.

follow the well trodden path that skims close to the ridge.

Tip by

5.52 km

Fan Hir

Highlight • Viewpoint

Fan Hir means long summit in English, which is an apt description for this rather indistinct, long-drawn-out ridge summit that is part of a broader escarpment feature that circumnavigates Llyn …

Tip by

5.55 km

Fan Hir Ridge

Highlight • Trail

The run along the Fan Hir ridgeline traces the scalloped edge of the Carmarthen Fans on a clear, inviting path. The high point of the ridge stands at 2,349 feet …

Tip by

6.56 km

Fan Brycheiniog summit and stone shelter

Highlight • Summit

Poised and elegant, Fan Brycheiniog is the climax of a striking escarpment edge in the Black Mountain range of the western Brecon Beacons. From sculpted valleys to pretty tarns, the …

Tip by

6.62 km

Fan Brycheiniog Summit and Shelter

Highlight • Natural Monument

Fan Brycheiniog, at 2,631 feet (802 m), is the highest point in the Mynydd Du (Black Mountain) area of the Bannau Brycheiniog (Brecon Beacons) National Park.

There's a handy shelter …

Tip by

7.33 km

Fan Foel

Highlight • Natural Monument

Fan Foel, at 2,562 feet (781 m), is a protruding summit on the scalloped edge of the Carmarthen Fans. It's tempting to miss this summit out, following the good path …

Tip by

8.54 km

Gwal y Cadno

Ruins

9.62 km

Llyn y Fan Fawr

Lake

9.92 km

Llyn y Fan Fawr

Highlight • Natural Monument

Llyn y Fan Fawr is a natural lake at the foot of Fan Brycheiniog. There's a lovely route that incorporates both Llyn y Fan Fawr and Llyn y Fan Fach, …

Tip by

12.9 km

Nant Tawe Fechan Waterfalls

Highlight • Natural Monument

A series of waterfalls, some with fairly decent dipping pools all the way down.

Tip by

16.0 km

End point

Bus stop

Way Types & Surfaces

Way Types

11.9 km

1.71 km

1.40 km

454 m

380 m

< 100 m

Surfaces

13.1 km

1.95 km

454 m

380 m

< 100 m

Elevation

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

Weather

Thursday 6 August

19°C

6°C

12 %

Additional weather tips

Max wind speed: 12.0 km/h

to get more detailed weather forecasts along your route

Comments

April 4, 2023,#35 Fan Brycheiniog & #48 Fan Hir (Brecon Beacon/Bannau Brycheiniog)

A lovely route that includes 2 of the Welsh 100 mountains list!

Linking up the 2 bridleways the route can easily be extended to include additonal summits and loop continuously along the Beacons Way historic route.

Stunning waterfalls with dipping pools along the route and a truly lively, shallow lake perfect for the wild swim.

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

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Fan Hir – Llyn y Fan Fawr loop from Penwyllt

View of the Hills in Bannau Brycheiniog National Park

Fan Hir

Fan Hir Ridge

Fan Brycheiniog summit and stone shelter

Fan Brycheiniog Summit and Shelter

Fan Foel

Llyn y Fan Fawr

Nant Tawe Fechan Waterfalls

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