Rey Cross is the remains of a stone cross at Stainmore. It is also known as Rere Cross and is a Grade II* listed structure and a scheduled monument. It is located towards the western edge of County Durham, approximately 1 kilometre (0.62 mi) east of the border with Cumbria along the A66 road.

Stainmore is a remote geographic area in the Pennines on the border of Cumbria, County Durham and North Yorkshire. The name is used for a civil parish in the Eden District of Cumbria, England, including the villages of North Stainmore and South Stainmore. The parish had a population of 253 in the 2001 census, increasing to 264 at the Census 2011. Stainmore Forest stretches further east into County Durham, towards Bowes.