Guided Walk - Witley Common Discovery Trail Join ARC Field Officer Ralph for a guided walk on one of Amphibian and Reptile Conservation’s flagship Surrey nature reserves. Learn about our native species of reptiles and amphibians while exploring the habitat they live in and the history that shaped this site. You may even be lucky enough to spot some of the local wildlife… Please contact [email protected] to book your place. Suitable for all ages, and dogs on leads are also welcome. Visit the Heath Week events page for more walks talks and activities taking place during Heath Week 2019. The Witley Discovery Trail has been created with help from the People's Postcode Lottery Fund.