Redmain is a small hamlet in the Isel Valley and parish of Blindcrake within the Lake District National Park in Cumbria, England.

The hamlet lies on the south-facing slopes above the River Derwent, in an elevated position of 475 feet (145 m), giving panoramas across the Isel Valley and Lake District Fells.

Nearby are the hamlets of Isel and Sunderland and the village of Blindcrake.

The hamlet is just under four miles north-east of Cockermouth, off the old Roman road to Carlisle (A595).

[1][2] The first element is rïd meaning "a ford",[2] the second may be the definite article ï,[2] and the final element is -maɣn meaning "a stone" (Welsh ryd-y-maen).