Click on left side map to make route over hill. Click on right side "show elevation data" and then "gradient". Can't tell how accurate it is tho.
Both that road in the post above by honor oak and the road behind sainsburys forest hill came in at 13s, hill house road by streatham common was only an 11.
http://www.bikehike.co.uk/mapview.php
Click on left side map to make route over hill. Click on right side "show elevation data" and then "gradient". Can't tell how accurate it is tho.
Both that road in the post above by honor oak and the road behind sainsburys forest hill came in at 13s, hill house road by streatham common was only an 11.
edit - college road dulwich all under 10
http://i160.photobucket.com/albums/t171/pimptasticmofo/collegeroad_zps9a488959.jpg