Ease into Passau on foot if you’ve arrived by train or are staying in the old town — everything on today’s list is compact, but the city is hilly in the right places, so comfortable shoes help. Start at Dom St. Stephan in the Altstadt for the kind of arrival moment that instantly tells you you’re in southern Germany: the white-and-gold baroque interior, the high vaulted ceiling, and the famous cathedral organ, one of the largest in the world. It’s usually worth 45–60 minutes, and if an organ recital is on, hang around — it’s the sort of sound that fills the whole cathedral and makes the trip feel real. Entry is typically free, though donations are appreciated.
From the cathedral, make your way up to Veste Oberhaus on Oberhaus hill for your first big look at the city. It’s the best orientation in Passau: the Danube, Inn, and Ilz all meeting below, with the old town wrapped between the rivers. If you don’t want to climb, a taxi or local bus can save your legs, but the walk is manageable if you’re unhurried. Give yourself 1.5–2 hours if you want to enjoy the viewpoints properly; the terrace is the real prize, and the museum is easy to skim if you’re not in a deep-history mood. Expect roughly €8–12 for admission, depending on what’s open.
On the way back down, stop for coffee and cake in Heilig-Geist-Gasse — this is one of the nicest central streets for a first-day pause, with enough foot traffic to feel lively but not overwhelming. A café here is the perfect reset after the hill, and you can expect about €8–15 per person for a coffee, pastry, or a slice of Käsekuchen. If you’re arriving later in the day, this is also the best place to just sit for a while and watch the old town settle around you.
Before dinner, take a relaxed stroll along Schärdinger Straße and the Innstadt riverside walk. It’s an easy downstream wander with lovely water views, and at this hour the riverfront has that calm, local feel that makes Passau so memorable. You don’t need to over-plan it — just follow the promenade, take photos where the light hits the water, and enjoy the sense of the city narrowing into river and stone. It’s about 45 minutes at an unhurried pace, and it pairs nicely with an early evening arrival because you can keep it light before a proper meal.
Finish at Wirtshaus im Alten Bräuhaus in the Altstadt for a classic Bavarian dinner that feels right for your first night. It’s central, reliable, and exactly the kind of place where a plate of roast pork, dumplings, or a simple schnitzel tastes better after a full travel day. Budget around €20–35 per person, a bit more if you add beer or dessert. If you’re staying nearby, it’s an easy walk back afterward; if you’re farther out, this is a sensible final stop because you won’t be chasing the city across town after dark.