Gravel Routes in Oude Willem, Drenthe

1.2 mi gravel Berkenheuvel Gravel route from Bosweg to Wapserzand, Diever, Westerveld, Drenthe 2
1.6 mi sand to Houtvester Jansenlaan Sand route from Houtvester Jansenlaan to Houtvester Jansenlaan, Diever, Westerveld, Drenthe "Not for a racebike with skinny tires"