Beside lake.bike there are several other mountain bike trails in Carinthia or just across the border. Villach is perfectly situated as a Base to stay for mountain bike holidays in the south of Austria.
Within an 1-hour car drive it is possible to reach Trails at Weissensee, Nockbike and MTB-Zone Petzen! Another perfect option is Hospitall Hill in Feldkirchen. Also have a look at MTB-Zone Petzen, which is one of the best Flow Country Trail of Europe. Find out more about the other bike trails here!