The 4 mountains of Fan y Big, Cribyn, Pen y Fan and Corn Du. Pen y Fan is the highest at just over 2900 feet, next is Corn Du at just over 2800 feet, Crybin at around 2600 feet then Fan y Big at 2300 feet.

One of the nearest starting points for walking on the Beacons is a few hundred yards south of Storey Arms on the A470 from Brecon to Merthyr Tydfil where there is a public car park. So what are you waiting for?

A spectacular view of Cribyn on the descent of Pen y Fan. If you go walking on the Beacons you must be prepared for sudden changes in the weather and carry appropriate clothing. Mountains are unforgiving in bad weather but do provide wonderful walks in good weather.

Picws Du, Black Mountain, from Fan Foel's western ridge. Black Mountain is some miles west of the Beacons but is still within the Brecon Beacons National Park.

The eastern face of Crybin from Fan y Big.

The Brecon Beacons geology consists mainly of Old Red Sandstone (Devonian), which gives the Beacons their reddish colour, and some smaller areas of Carboniferous Limestone and Millstone Grit.