Tags: Site Of Special Scientific Interest.
Weir Wood Reservoir is a 1.5-mile (2.4 km) long stretch of water situated close to Forest Row East Sussex England on the north-western margins of Ashdown Forest. It has a full water capacity of 5566000 cubic metres (1.224×109 imp gal) covering a site of 280 acres (1.1 km2). The reservoir was built over the period 1951-54 a process which involved damming the valley of the River Medway.