St Martha's Hill and Colyer's Hanger is a nature reserve north of Chilworth in

Surrey Surrey () is a ceremonial and non-metropolitan county in South East England, bordering Greater London to the south west. Surrey has a large rural area, and several significant urban areas which form part of the Greater London Built-up Area. ...

. It is owned by the Albury Estate and managed by Surrey County Council.

Colyers Hanger Colyers Hanger is a biological Site of Special Scientific Interest south-east of Guildford in Surrey. It is a Nature Conservation Review site, Grade 2 and is part of St Martha's Hill and Colyer's Hanger nature reserve, which is managed by the Sur ...

is a

Site of Special Scientific Interest A Site of Special Scientific Interest (SSSI) in Great Britain or an Area of Special Scientific Interest (ASSI) in the Isle of Man and Northern Ireland is a conservation designation denoting a protected area in the United Kingdom and Isle of ...

and a

Nature Conservation Review ''A Nature Conservation Review'' is a two-volume work by Derek Ratcliffe, published by Cambridge University Press in 1977. It set out to identify the most important places for nature conservation in Great Britain. It is often known by the initial ...

site, Grade 2. Earth circles, which are probably associated with tree planting for

Chilworth Manor Chilworth is a village in the Test Valley district of Hampshire, England, on the northern edge of Southampton. Good travel connections and restricted development have led to the village becoming particularly affluent. The village was referred ...

, are a

Scheduled Monument In the United Kingdom, a scheduled monument is a nationally important archaeological site or historic building, given protection against unauthorised change. The various pieces of legislation that legally protect heritage assets from damage and d ...

. 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 Calcareous () is an adjective meaning "mostly or partly composed of calcium carbonate", in other words, containing lime or being chalky. The term is used in a wide variety of scientific disciplines. In zoology ''Calcareous'' is used as an adje ...

grassland, which has a rare mixture of chalk grassland flora. There is access from Guildford Lane and Halfpenny Lane.

References

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