The sight of Llyn Idwal is breathtaking, nestling in the north facing Cwm Idwal and surrounded by the high peaks of Y Garn and Y Glyder Fawr. The area has some amazing Welsh names including ...

Dr Tom Challands: Today, we're in the Snowdonia National Park Wales. We'll be climbing the Cwm Idwal Slabs. These magnificent rocks were folded by tectonic activity around 400 million years ago.

The black cauldron of Cwm Idwal hangs high above the Ogwen Valley. A wild place of Yr Wyddfa (Snowdon) lilies and, some say, steam rising from the Devil’s kitchen. At its base sits a lake where, ...

The Cwm Idwal Winter Monitoring system is now back live and with new equipment and software. Ready for you to head up the hills in the best wintery conditions. In 2013 Natural Resources Wales (NRW) ...

Sets of temperature probes have been placed these crags which take readings at hourly intervals and transmit to base stations. The following graphs give four temperature readings – the current air ...