rhine valley. it leads from the lower rhine in bonn passing the loreley up to the upper rhine. there is a rheinhöhenweg trail on both sides of the rhine river. on the left side it goes from bonn to alsheim, which is to the south of mainz, with a total length of 240 km. on the right side it goes from bonn-beuel to wiesbaden with a total length of 272 km. both trails together have a combined length of over 500 km. the rheinhöhenweg trail is marked by a black r on a white background. the trails on the left and on the right side are frequently connected by hiking trails called "rheinhöhen connection trails", marked by the sign "rv".