Welcome to Llangorse & Bwlch

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Llangorse has the largest natural lake in south Wales which boasts an ancient Crannog. It is a perfect location to mess about in boats, take a gentle stroll or watch the bird life.

Llangorse Lake is a glacial lake formed thousands of years ago when moving ice pushed and scraped its way along, shaping the landscape that we see today. On its journey it collected piles of debris (mud, rocks, wood and stones) which were deposited to the front and side of the glacial movement.

When the ice finally melted this debris was left to form mounds known as moraines. Llangorse Lake owes its existence to the moraine deposits left in the area between Llanfihangel Talyllyn and Talgarth. At one time it was some 150 feet (45 meters) higher, with two overflows into the river Usk at Bwlch and Pennorth.

The entire lake’s surface and the adjoining common is Registered Common Land giving local people ancient rights to graze their livestock upon it.


Bwlch has castles, ancient iron age forts and standing stones, not to mention commanding views of the Black Mountains and the Brecon Beacons.

Bwlch is home to four circular walks, one being ‘Bwlch With Altitude’ which is featured on our map, and takes you over Mynydd Llangorse, around Llangorse Lake and over Allt yr Esgair. ‘Bwlch With Fortitude’ which leads to Tretower Court & Castle, ‘Bwlch With Magnitude’ takes you on a magnificent ascent of Tor y Foel, and ‘Bwlch With Solitude’ takes you to Cwmdu and back along the Beacons Way.

Route cards are available to download for all of these walks.

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Indoor Climbing


Food & Drink

Food & Drink

Crannog Centre