http://www.mtbbritain.co.uk/Swaledale_round_route.html
http://www.mtbdales.com/dales_route_guides.php?catid=5
http://www.theedgecycleworks.com/mtbroutes/gunnerside-gill-apedale/
http://www.netpositive.co.uk/node/10
http://www.bikemaps.co.uk/north_dales_mtb.htm
http://www.mbr.co.uk/routes/gps-route-yorkshire-dales-killer-loop/