Limburg Heuvelland: South Limburg

Distance: 37 km loop (Valkenburg via Gulpen, Wittem, Mechelen, Epen and Slenaken) Altitude: 221 m (highest point on route, near Epen) Key roads: N595 Geul valley, Mergellandroute lanes, Gulp valley Best for: Real corners, elevation change, the one route that feels un-Dutch Best time: April to October, avoid Sundays