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A man and a woman from Chester have been led to safety by mountain rescue team members after they became crag-fast on Tryfan in Snowdonia.

Ogwen Valley Mountain Rescue team said they were inadequately equipped and had no map or compass.

They had scrambled up part of the north ridge and were unable to find the footpath when they turned back.

A rescue team spokesman said they were discovered sitting 10 feet (3m) from the path.

Tryfan, one of the best known mountains in the Ogwen Valley, appears on the map at 3,002 ft, or 915m.

Last year it was re-measured and came in at 3,010 ft (917.51m) - 8 ft (2.43m) taller than its official measurement.

The project's result was verified by a member of the Ordnance Survey (OS).