The Derwent Sailing Club website adds: “This activity is open to visitors for a charge of £10 per session. “Pre-Booking a place prior to your visit is essential and can be done via our ...

The good news is, yes you can go swimming in Derwent Reservoir and make the most of the course which is 200 or 420 metres, but it must be through Derwent Reservoir Sailing Club.