Summer Route 3 - 8 Parks (a variation on the 10 in 10 route) 

Route 3A (Short - 5 miles / 8 km - 99m elevation gain

Leave the Club House and take in half of Dulwich Park before going up Cox's Walk, and through the woods to end up at Sydenham Hill station. Head down College Road to Hunts Slip and then Alleyn Park to reach the entrance of Belair Park. 

https://www.strava.com/routes/15275735

Route 3B (Medium - 8.7 miles / 13.9 km - 225m elevation gain

Similar to 3A, as far as Sydenham Hill station. Head briefly up College Road to Kingswood Drive and then down to the Gipsy Hill roundabout. Take Gipsy Road to the start of Salters Hill and then cross Norwood Park to reach the A214. Turn left down Beaulah Hill then take Gibsons Hill down to Streatham Common. Pass Norwood Grove and the Rookery before cutting across to Valley Road. Take Valley Road to Leigham Court Road then head straight over the lights down Knollys Road to end up at West Norwood. Cross straight over onto Lancaster Avenue and then rejoin Route 3A at Belair Park.

It is possible to add an extra half a mile by running fully round the edge of Streatham Common.

https://www.strava.com/routes/15275701

Route 3C (Long - 10.9 miles / 17.4km - 291m elevation gain

Diverting from route 3B at the end of Norwood Park, the route heads up hill to Hermitage Road and then down to Upper Norwood Recreation Ground. Turn down Harold Road and then at Beaulah Spa follow the main road to the A212 Grange Road turning. Head down Grange Road  to access a little bit of cross-country in South London (the Lawns). Upon returning to Beaulah Spa follow the A215 towards West Norwood and then rejoin the medium route at Gibsons Hill for the route through Streatham Common.

https://www.strava.com/routes/15275698

streatham rookery