Giro de Lilley Bottom - 30 & 40 mile Versions
GPX file of the route Giro De Lilley Bottom 30 & 40 mile version This is a tour of the varied and undulating countryside of the eastern Chilterns and the valleys of the Mimram and Lea Rivers. The route starts from Harpenden Railway Station and heads down to and across the valley of the River Lea. It then crosses the higher ground between the rivers, ducks under the Luton Airport flightpath, and descends into ‘Lilley Bottom’ for 3 miles. This is the valley of the River Mimram, but this usually only emerges on the surface to flow south, where you join the valley road and head north where the valley is dry. At this point the two routes diverge. The longer route, which probably doesn’t suit lightweight road bikes, takes you over the scarp and into the vale beyond before doubling back to Offley. It adds about 10 miles overall. The shorter route takes you straight to Offley. From there you have a meandering route back to Wheathampstead and then Harpenden. Zo...