The routes start and finish in the heart of Houffalize for the short distance runners and ultratrailers : 12, 21, 32 or 50km ! This 90% off-road course can be done running or walking. Make it a sporty weekend and book your overnight stay in or around Houffalize !..
A track ( from 10km - 36km ) through Belgium, the Netherlands or Germany ! Or do you go the challenge and take the complete Three Frontiers route of 36km? This route is 90% off road and you can do it running or walking !..