... A digital interactive 'working copy' of the map can be viewed on Dorset Explorer. Map multiple locations, get transit/walking/driving directions, view live traffic conditions, plan trips, view satellite, aerial and street side imagery. Sheet number OL15 in the OS Explorer map series is the ideal map for exploring the Purbeck coast and South Dorset from Poole to Bridport and north to Dorchester. Interactive map of Parishes. It … OS Explorer maps show public rights of way and other public access routes and areas. Everyday low prices and free delivery on eligible orders. For further information on the towns and villages within Dorset please contact one of Dorset’s Tourist Information Centres who will be happy to help.