Weir wood reservoir

Weir Wood Reservoir is a 153.5-hectare (379-acre) biological Site of Special Scientific Interest west of Forest Row in East Sussex. It is in High Weald Area of Outstanding Natural Beauty and an area of 32.6 hectares (81 acres) is a Local Nature Reserve which is owned by Southern Water and managed by East Sussex County Council and Southern Water.

Stone Farm Rocks or Stone Hill Rocks is a 0.6-hectare (1.5-acre) geological Site of Special Scientific Interest south of East Grinstead in West Sussex. It is a Geological Conservation Review site.This is typical of many sandstone crags in mid-Sussex which expose the Tunbridge Wells Sand Formation, part of the Wealden Group which dates to the Early Cretaceous between 140 and 100 million years ago.