A couple of local walks as part of the Green Chain Walking Festival:

Sunday 13 September 2009
Horniman Gardens to Peckham Rye Park, via One Tree Hill
3.00pm start - Meet at main entrance of Horniman Gardens
1 to 2 hours walking
See here

Sunday 20 September 2009
Crystal Palace to Horniman Gardens, via Sydenham Wells Park
10.00am start - Meet at Crystal Palace bus terminus
1 to 2 hours walking
See here

Index of all the walks in the festival can be found on the Green Chain website.