Airbnb - 70 Tour Reviews click here
Train from Brighton to Seaford
Seven Sisters, Cuckmere River, Friston Forest, Alfriston(Lunch) then train from Berwick to Brighton.
Map and Details: Link
Book now on Airbnb
Brighton Seafront, BrightonMarina, Southdowns Way Woodingdean, over the downs to Rottingdean, back along undercliffs to Brighton. Train back from Southease also possible.
Ride up along old railway track to Devils Dyke, Fulking village,Shepherd and Dog country pub,climb back over and down to Brighton.