Day 1 — Vienna: Kahlenberg and Leopoldsberg
🌿 Walk character: forested slopes, vineyards, panoramic hills above the Danube. An excellent start for getting to know Vienna’s style of hiking — the official Stadtwanderwege are well marked and accessible by public transport. Active part of the day: about 3.5–5 hours, difficulty easy/moderate. If you take the option from Nussdorf via Kahlenberg to Leopoldsberg and make stops for the views, it comes to about 10–12 km with roughly 350–450 m of elevation gain. The route suits an ordinary traveler without special equipment: these are popular walking trails and forest paths, with no climbing sections and no difficult navigation. Along the way, classic panoramas open up over Vienna, the Danube, and vineyard slopes, and the day can end at viewpoints or in one of the suburban wine districts. Seasonal notes: in summer it’s better to start early because of the heat on exposed sections; after rain, forest trails may be slippery; in winter, ice and mud are possible, so comfortable non-slip footwear is especially important.