Shardeloes Triangle is a set of 22 geocaches on a very pleasant 3.5 mile walk around Shardeloes, a large country house completed in 1760, near Amersham in Buckinghamshire.
Parking is available in a layby near Amersham Cricket Club. The route passes close to Mop End electricity sub-station, and includes Mop End (green) Lane and Shardeloes Lake.
Skylark is a small camouflaged torpedo-shaped container.