Mam Tor, Peak District

Sheep on the tussocky hillside at Mam Tor in Edale in the Peak District, Derbyshire

This Bronze Age hill fort offers clear, unobstructed views of the night sky, with little light pollution. Keep an eye out for barn owls, especially at dusk, and you may catch a glimpse of bats too.

Terrain and safety: The tor is a strenuous ascent with steps and rough surfaces, so good footwear and torches are essential. Keep to the surfaced path as there are dangerous, steep drops on the edges of the hill - and stay close to the trig point when stargazing. Be aware of sheep grazing in the dark.

Location: Mam Nick car park is on the western end of the Hope Valley, near Castleton. Grid ref: SK123832.