Top 10 bike climbs in Austria with the greatest elevation gain. We have documented most of the 10 Austrian Bike climbs with the most elevation gained and those are featured in the slideshow on this page as well as the Table for the full Top 10 Austrian Bike Climbs. The cycling climbs gaining the most altitude in Austria, and some of the hardest and most scenic California bicycling climbs are, in order of elevation gain, 1. Kaunertal Gletscher straBe, 2. Finestraler Damm, 3. Hochwurtenspeicher, 4. Grosser Speikkogel, 5. Grossglockner (Fusch), 6. Aschau - Kristall hutte, 7. Grossglockner Pockhorn to tunnel, 8. Rettenbachferner, 9. Zell am Ziller to Jausenstation, and 10. Grosser Oscheniksee