After the trip underground there is a downhill trip to a mining museum and the option of cycling back to the start or taking a minibus. Cost is between €49 and €69. Hire bikes are available.
The area is a hot bed of mountain biking.
The websites shown below are all in German, but you can always use Google translator.
Sportcenter Klopeinersee, Christian Pongratz, Ostuferstrasse 9, A - 9122 St. Kanzian
Web:www.sportcenter.at, EMail: firstname.lastname@example.org
Tel: +43 4239 3245, Fax: +43 4232 89579, Mobil: +43 676 344 499 9