# Rorschach, Switzerland to Zagreb Airport, Croatia This GPS track details a challenging mountain bike route from Rorschach, Switzerland (47.4781°, 9.5053°) to Zagreb Airport, Croatia (45.7383°, 16.0722°). The route covers 857.46 km, with a total elevation gain of 7374.71 m and a total descent of 7667.60 m, taking approximately 2636.68 minutes (around 44 hours). The maximum elevation reached was 1845.30 m at a point near Gaschurn, Austria (46.9760°, 10.1170°), while the minimum elevation was 103.30 m near Velika Gorica, Croatia (45.7425°, 16.0862°). The average speed was 19.51 km/h, with a maximum speed of 45.77 km/h. **Route Description:** The route begins in Rorschach, Switzerland, and traverses Austria before concluding near Zagreb Airport, Croatia. This involves significant changes in elevation, terrain, and possibly even country-specific regulations for cycling on roads. **Mountain Biking Recommendations:** This is an extremely long and challenging route. Thorough planning, including multiple overnight stops, is essential. Ensure your bike is fully serviced, you have appropriate gear (including spare parts and tools), and ample water and food supplies. Check trail conditions and weather forecasts before embarking. Consider breaking the ride into more manageable stages. **Safety and Privacy:** Always prioritize safety. Wear a helmet, use lights at dawn and dusk, and observe all traffic laws. Be aware of varying road conditions and potential hazards along the route. Always be mindful of respecting private property and landowners; stick to designated trails whenever possible. Share your itinerary with someone before you go. GPS tracking data raises privacy concerns, so review your device settings to control what data is shared and stored. Check for any local regulations or restrictions before undertaking this strenuous ride.