O 2 Seven Pond Tour
Water tour past ponds and through quiet valleys, without any steep climbs | several road crossings | slippery single trails in the Grumbach Valley if weather wet | passes through Wildemann, Hahnenklee and Clausthal-Zellerfeld.
Water tour past ponds and through quiet valleys, without any steep climbs | several road crossings | slippery single trails in the Grumbach Valley if weather wet | passes through Wildemann, Hahnenklee and Clausthal-Zellerfeld.