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Dan-Yr-Ogof Showcaves – Fan Gyhirych Summit Trig Point loop from Penwyllt

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Hiking trails & Routes

Dan-Yr-Ogof Showcaves – Fan Gyhirych Summit Trig Point loop from Penwyllt

Hard

hikers

Dan-Yr-Ogof Showcaves – Fan Gyhirych Summit Trig Point loop from Penwyllt

08:27

28.5km

850m

Hiking

Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: May 27, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Ogof Ffynnon Ddu National Nature Reserve

Bannau Brycheiniog National Park

Waypoints

Start point

Bus stop

Get Directions

500 m

Dan-Yr-Ogof Showcaves

Highlight • Cave

The national show caves is a tourist attraction with several ventures including the Shire Horse centre, a life size dinosaur model exhibit, kids play grounds and the three show caves. The caves are awesome, with over 1km of underground passage to explore, waterfalls and large chambers.

Paid entry.

Tip by

11.7 km

Fan Gyhirych Summit Trig Point

Highlight • Viewpoint

Fan Gyhirych is a mountain in Fforest Fawr, Brecon Beacons. The plateau summit stands at 2,379 feet (725 m) and is marked by a trig point. You get lovely views, especially in clear conditions.

Tip by

23.6 km

Ogof Ffynnon Ddu Nature Reserve

Highlight • Natural Monument

Ogof Ffynnon Ddu Nature Reserve is named after a cave that lies under Carreg Cadno's northern slopes. Translating as the Cave of the Black Spring, this is the deepest cave in the United Kingdom, reaching 901 feet (274.5 m) under the surface.

The nature reserve itself is a wild-feeling moorland landscape with many rocky outcrops. It enjoys splendid views of the region's peaceful countryside.

The reserve protects the wildlife that thrives in this unique environment. Bats and moths populate the caves, while above ground peregrines and red kites hunt in the sky. Early summer is a majestic time to explore here, when flowers like mountain everlasting, autumn gentian, mossy saxifrage and great burnet show off their colours.

Tip by

23.7 km

Carreg Cadno Summit

Highlight • Natural Monument

Carreg Cadno 538m P35 (1765ft)
Welsh Dewey and Dodd summit

Translated by Google •

Tip by

24.3 km

Limestone Pavement, Ogof Ffynnon Ddu Nature Reserve

Highlight (Segment) • Viewpoint

Bizarre limestone paving, between which - as if they do not fit into this stone landscape - trees grow.
Very special and fascinating environment.

Translated by Google •

Tip by

28.0 km

Craig-y-Nos Country Park and Castle

Highlight • Lake

Nestled on the banks of the River Tawe, this 40-acre (16 ha) Victorian country park is managed by the Brecon Beacons National Park authority and contains the Grade II-listed Craig-y-Nos Castle. The Castle was once owned by legendary opera singer Andelina Patti, today this impressive building is a hotel.

There are a few other accommodation options in the surrounding area, making Craig-y-Nos an excellent base for exploring both the Black Mountain to the north and the Ogof Ffynnon Ddu Nature Reserve to the east. Closer by, the park’s gentle paths and picturesque lakes are a delight to explore.

Tip by

28.5 km

End point

Bus stop

Way Types & Surfaces

Way Types

14.7 km

7.91 km

4.50 km

867 m

423 m

< 100 m

Surfaces

15.2 km

6.47 km

3.89 km

2.36 km

381 m

< 100 m

Elevation

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

Highest point (720 m)

Lowest point (190 m)

Weather

Monday 13 July

26°C

12°C

0 %

Additional weather tips

Max wind speed: 20.0 km/h

to get more detailed weather forecasts along your route

Comments

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Dan-Yr-Ogof Showcaves – Fan Gyhirych Summit Trig Point loop from Penwyllt

Dan-Yr-Ogof Showcaves

Fan Gyhirych Summit Trig Point

Ogof Ffynnon Ddu Nature Reserve

Carreg Cadno Summit

Limestone Pavement, Ogof Ffynnon Ddu Nature Reserve

Craig-y-Nos Country Park and Castle

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