Winter Route 2 - Upper Sydenham, Upper Norwood, Streatham Common and Valley Road 

Route 2A (Short - 5.25 miles / 8.4 km - 61m elevation gain

The same route as the others until The Grove Junction when you turn right along the A205 Dulwich Common. At College Road head into the Village and then come back along Gallery Road to return to the A205. Continue to Tulse Hill then down Norwood Road to Herne Hill and back to the Club House.

https://www.strava.com/routes/14201641

If you want to add distance then this route gives you a number of options with the College Road / Gallery Road Triangle (1.1 Miles https://www.strava.com/routes/14651837) or the Court Lane / Dulwich Common / College Road Large Triangle (2.3 Miles - https://www.strava.com/routes/14651856).

Route 2B (Medium -  7.9 miles / 12.7 km - 169 m elevation gain

The same route as the Long route as far as Anerley Hill. But instead of going down Hamlet Road go up the hill, and then at the top of the Parade take Farquahar Road down to Gipsy Hill and Croxted Rd back to the Club House

https://www.strava.com/routes/14201545

Route 2C (Long - 10.8 miles / 17.5 km - 245m elevation gain

Court Lane, Sydenham Hill, Crystal Palace Park Rd, Thicket Road, Hamlet Road / Auckland Road, Sylvan Hill, Beulah Hill, Norbury Hill, Covington Way, Streatham Common outside (it is possible to cut through), Valley Road, Leigham Vale to Tulse Hill then back to the Club House

https://www.strava.com/routes/14201514