O 4 Spiegeltal Trail – F...
Varied tour with technically interesting trail passages and two steep climbs | 2 main road crossings! | pushing section after Festenburg! | many hikers! | passes through the town of Clausthal-Zellerfeld ...
O 5 Family Tour around Bun...
Easy tour through forests and meadows with one climb from the Innerste Valley | 2 main road crossings | many short single trail passages | technically moderate | passes through Buntenbock and Clausthal-Zellerfeld ...
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 ...
O 3 Schulenberg Circuit
Moderate tour through forests with a longer climb to the Schalke and good viewpoints | many short single trail passages | technically moderate| passes through Schulenberg and Clausthal-Zellerfeld ...
O 1 Wild Man"s-Trail
Difficult mountain and valley tour with steep climb after Lautenthal | frequent changes between single trails and gravel tracks in the Innerste Valley | technically challenging trail from Kreuzeck into the Spiegeltal | ...
O 6 Iberg Dripstones
Difficult mountain and valley tour with 2 steep climbs | numerous single trail passages | short section on the road | steep descent to Wildemann | 3 main road crossings ...
O 10 Grand Upper Harz Circ...
Very difficult mountain and valley tour with frequent changes between gravel tracks and asphalt | noumerus single trail passages, some technically difficult | 2 short country road sections | 3 main road crossings! | ...