Carnedd Llewelyn, scene of the rescue. Photo: Richard Webb CC-BY-SA-2.0

Two mountain rescue teams were involved in a seven-hour operation to find a walker lost on a Snowdonia peak while tackling the Welsh 3000s challenge.

The night-time callout came after the 67-year-old man, who was walking alone, became disoriented in mist near the summit of Carnedd Llewelyn.

Ogwen Valley Mountain Rescue Organisation was alerted about 1.10am today after a friend raised the alarm.

The walker, who had become wet and cold in deteriorating weather, was advised to find shelter from the wind while rescuers made their way to him.

Three Ogwen Valley team members were joined by six volunteers from the Porthmadog-based Aberglaslyn Mountain Rescue Team in the search for the man on the 1,064m (3,491ft) mountain.

Rescuers found the walker about 5.30am, safe but very cold.

An Aberglaslyn MRT spokesperson said: “The casualty was luckily located approximately 200m from the original grid reference provided to the rescue teams.

“Both the Ogwen Valley and Aberglaslyn teams then escorted the casualty off the hill and back to the awaiting Land Rover ambulances at Ffynnon Llugwy, prior to returning to Oggie Base for a hot meal and a debrief.”

The rescue operation ended at 8.40am.