The Reserve is a treasured asset of Horsham with many different habitats supporting a wide range of fauna and flora. The 17 acre Warnham Millpond with its reedbeds, islands and marginal vegetation dominates this 92 acre site. It has ample free parking, trails, and hides. The visitor centre has an exhibition room and disabled access toilets with baby changing facilities The Herons Rest café serves drinks and snacks.
The varied mix of habitats proves a haven for wildlife. Over 400 species of plants have been found, from Common Bird’s-foot Trefoil to Orchids, as well as many different fungi. Over 100 species of bird, including the Grey Herons with their thriving heronry and woodpeckers, are recorded annually. The beautiful Kingfisher is to be seen most days and is joined by Common Terns in the summer which come to breed on the millpond. Also to be seen in the summer are many species of butterfly, from Common Blue to Silver-washed Fritillary together with dragonflies of which over 21 species have been recorded.
A walk through the Reserve takes you through grassland meadow, ancient woodland and conifer and mixed broad-leaf plantation. Board walks take you across marshland and areas of wet grassland. The four hides and the feeding station provide closer views of the wildlife. Whether visiting to enjoy a relaxing walk and tranquillity or as keen birder or photographer the Reserve will not disappoint.