Horseshoe Lake | Bracknell Forest CouncilHorseshoe Lake covers about 22 acres. It is named after its horseshoe-shaped island.Horseshoe Lake covers about 22 acres. Originally part of an extensive network of working gravel pits that have now been flooded, this site now occupies an attractive setting in the Blackwater Valley and is a popular venue for those who enjoy watersports, https://www.bracknell-forest.gov.uk/parks-and-countryside/parks-visit/horseshoe-lake