July 2011, Adam Walker's second swim of the Oceans Seven. 10 miles each way, he swam from Tarifa to Tangier and back again (breaking British record one way and first British person to swim both ways). He finished in a time of 9 hours 39 minutes, at time accompanied by dolphins and the sound of pilot whales.
This is a crowd-sourced map. Abilities vary, and conditions change. Always assess risks for yourself before getting in.
Must be accompanied by escort boat