tourendatenbank is a new Google Maps mashup site of outdoor sports activities. The site lists different outdoor sports activities by category and country. Users can add their favourite routes and pictures (top spots) and search for routes submitted by other users.
The site is in German and, at the moment, mainly features routes in Germany, Austria and Switzerland. The map includes a number of categories of routes, including mountain walks, climbing routes, mountain bike trails, winter hikes, snowshoe trails, skiing and luge.