Cesky Krumlov to Ulm: Scenic Road Trip Guide

The drive from Cesky Krumlov to Ulm spans approximately 440 km along the E55 and A8 highways, typically taking 4.5 to 5 hours without stops. The route crosses the Bohemian Forest (Šumava) in Czechia, then enters Germany via Passau, following the Danube River valley. A unique geographical feature: the road crosses the European watershed divide near the Czech-German border, where streams flow either to the North Sea or the Black Sea.

This guide answers how long to drive Cesky Krumlov to Ulm, what are the best stops Cesky Krumlov to Ulm, and whether it's worth driving Cesky Krumlov to Ulm. We also highlight hidden gems between cities, including off-route spots worth a detour.

For a broader perspective on finding enriching stops, check out how to find the best stops and hidden gems between cities.

The drive begins in Český Krumlov, a UNESCO World Heritage site with a 13th-century castle and winding Vltava river. The surrounding Šumava National Park offers dense forests, granite peaks, and glacial lakes. Crossing into Bavaria, the Danube Valley near Passau presents rolling vineyards and baroque architecture. Ulm boasts the highest church spire in the world (161m) and a UNESCO-listed fisherman’s quarter.

• UNESCO sites: Cesky Krumlov (historic center), Regensburg (optional detour), and Ulm’s Minster (second tallest church).
• Natural stops: Lipno Dam lake (Czech), Bavarian Forest National Park (Germany), and Danube floodplains near Ulm.

Local commerce: In Czechia, buy Bohemian crystal, wooden toys, and Becherovka liqueur. In Bavaria, shop for Nymphenburg porcelain, beer steins, and fresh pretzels. Markets: Český Krumlov’s Saturday market at Svornosti Square; Ulm’s weekly market at Münsterplatz.

Road safety: Czech roads have speed cameras and increased police presence near the border. Always wear seatbelts; child seats mandatory. Winter tires required from Nov to Apr in Germany. In Czechia, use headlights year-round.

• Fatigue management: Plan breaks every 2 hours. Recommended rest stops: Raststätte Bayerischer Wald (playground, kids menu).
• Family-friendly stops: Bavarian Forest National Park’s TreeTop Walk (children’s adventure trail), Danube leisure park in Ulm.
• Pet-friendly: Most rest stops allow dogs on leashes; Ulm’s hotels like B&B Hotel accept pets for €10/night.

Hidden off-route spots: Detour to the town of Passau (30 min) for its Veste Oberhaus fortress and three-river confluence. Near Regensburg, the Walhalla memorial overlooking the Danube is a photogenic stop. For hikers, the Ilz Valley near Passau offers solitude.

The route primarily uses Czech road I/39 and E55 to the border, then German A3 and A8. Road quality is excellent: Czech sections are well-maintained two-lane roads; German autobahns have no speed limit on long stretches, though 130 km/h is recommended. Fuel costs: Czechia €1.45/L, Germany €1.80/L. Fill up in Czechia before crossing. Toll vignettes required in Czechia (€13 for 10 days) but not in Germany.

• Czech motorway vignette: purchase at border gas stations or online.
• German autobahn: no toll, but low-emission zones require a green sticker (€6-10).
• Rest stops every 30-50 km – recommended: Raststätte Bayerischer Wald (A3), Raststätte Dasing West (A8).

Key highways: E55 (Czech) becomes A3 at the border; near Deggendorf, switch to A92, then A8 at Munich junction. Avoid A3’s construction zones near Regensburg. Use navigation with real-time traffic.