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South Wales

Crickhowell

Pen Cerrig-calch summit – Pen Allt-mawr loop from Crickhowell

Routes

Hiking trails & Routes

South Wales

Crickhowell

Pen Cerrig-calch summit – Pen Allt-mawr loop from Crickhowell

Hard

4.7

(11)

255

hikers

Pen Cerrig-calch summit – Pen Allt-mawr loop from Crickhowell

06:51

21.4km

870m

Hiking

Hard hike. Very 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 16, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Bannau Brycheiniog National Park

Waypoints

Start point

Parking

Get Directions

236 m

Crickhowell Castle ruins

Highlight • Historical Site

Crickhowell Castle, also known as Alisby's castle, dominates the views from the delightful market town. The now Grade I-listed ruin began life as a motte and bailey castle in the 12th century and was rebuilt in stone in 1272. If you are in town to climb Table Mountain or hit the Sugar Loaf circuit, it's worth a visit.

Tip by

1.70 km

Cumbeth Brook Waterfall

Highlight • Natural Monument

2.68 km

Cwm Cumbeth

Forest

4.85 km

Crug Hywel (Table Mountain) — summit and Iron Age hillfort

Highlight • Summit

The flat and slightly sloping summit of Table Mountain looms over Crickhowell. At 1,480 feet (451 m) high, its flat top — at a slightly tipsy-looking angle — is an iconic Brecon Beacons feature. The views are sensational too. Gazing westwards you have the lovely Usk valley rising into the central Brecon Beacons and the industrial valleys of South Wales, while the brooding Black Mountains look over your shoulder.

Tip by

5.78 km

View of Sugar Loaf and Table Mountain

Highlight • Natural Monument

6.99 km

Pen Cerrig-calch summit

Highlight • Viewpoint

This remote and little visited summit is perfect for explorers keen to escape the crowds. Standing at 2,300 feet (701 m), the summit boasts spectacular views over the River Usk valley, Crickhowell, and further afield.

Tip by

9.39 km

Pen Allt-mawr

Highlight • Viewpoint

If you do the Waun Fach Loop you can take in Pen Cerrig Calch and six other Nuttalls and it is a glorious 25km high level route with nearly 1,000m of height gain. For route details click here: komoot.com/tour/280372758

Tip by

11.2 km

Mary's Stones (Macnamara Boundary Stones)

Highlight • Historical Site

The story of the Macnamara boundary stones near the summit of Pen Twyn Glass mountain is a long but interesting one. Further details can be found here: ewyaslacy.org.uk/-/Mary-s-Stones-investigating-the-Mrs-Macnamara-Boundary-Stones-in-the-Black-Mountains/1820s/nw_lty_1002

Tip by

19.9 km

View of Crug Hywel (Table Mountain)

Highlight • Viewpoint

A glimpse of Crug Hywel from a farm track (Ty-yn-y-wlad)

Translated by Google •

Tip by

21.4 km

End point

Parking

Way Types & Surfaces

Way Types

9.94 km

6.63 km

2.06 km

1.59 km

1.05 km

141 m

Surfaces

14.5 km

3.21 km

2.45 km

789 m

502 m

Elevation

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

Highest point (700 m)

Lowest point (70 m)

Weather

Tuesday 19 May

15°C

8°C

58 %

Additional weather tips

Max wind speed: 28.0 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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Pen Cerrig-calch summit – Pen Allt-mawr loop from Crickhowell

Crickhowell Castle ruins

Cumbeth Brook Waterfall

Crug Hywel (Table Mountain) — summit and Iron Age hillfort

View of Sugar Loaf and Table Mountain

Pen Cerrig-calch summit

Pen Allt-mawr

Mary's Stones (Macnamara Boundary Stones)

View of Crug Hywel (Table Mountain)

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