St Martha's Hill and Colyer's Hanger

St Martha's Hill and Colyer's Hanger
Interactive map of St Martha's Hill and Colyer's Hanger
TypeNature reserve
LocationChilworth, Surrey
OS gridTQ028483
Area38 hectares (94 acres)

St Martha's Hill and Colyer's Hanger is a 38-hectare (94-acre) nature reserve north of Chilworth in Surrey. It is owned by the Albury Estate and managed by Surrey County Council. Colyers Hanger is a Site of Special Scientific Interest and a Nature Conservation Review site, Grade 2. Earth circles, which are probably associated with tree planting for Chilworth Manor, are a Scheduled Monument.

There is a church on the top of St Martha's Hill, which has views of eight counties on a clear day. The site is woodland and calcareous grassland, which has a rare mixture of chalk grassland flora.

There is access from Guildford Lane and Halfpenny Lane.