Olsztyn travel guide
Copernicus's castle, a brick Gothic old town and lakes inside the city
The capital of Warmia, where Copernicus lived and worked in the castle, with a compact Gothic old town and a city beach on Lake Ukiel. June to August is lake season. Spend one or two days, then head on to the Masurian Lakes. Prices are moderate, and many passports enter visa-free.
Olsztyn, on the Łyna River, is the capital of Warmia and the gateway to the Masurian lake district. Nicolaus Copernicus managed the cathedral chapter's estates from the castle here and in 1521 organised its defence against the Teutonic Knights. Forest presses in on the city, and several lakes lie within its limits.
The 14th-century castle of the Warmian Chapter houses the Museum of Warmia and Masuria. It closed on 14 September 2026 for about three years of renovation, so for now you see it from outside. Inside, on a cloister wall, is the astronomical table Copernicus drew to fix the date of the equinox. From the castle, the old town is a few minutes' walk: the market square with its Old Town Hall of around 1500, the High Gate from the 14th century and the brick Gothic co-cathedral of St James.
For the outdoors, Lake Ukiel on the north-west side has the city beach, sailing and the lakeside hotels. Back in town, the planetarium on aleja Piłsudskiego, opened in 1973 for the Copernicus quincentenary, runs sky shows under its dome. Trams returned to Olsztyn's streets in 2015; one line runs out to the university campus at Kortowo.
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A Copernicus castle, a brick Gothic old town, a planetarium and lakes within the city.
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Best time to visit Olsztyn
Month by month, so you can pick the weather and the crowds you want.
Highs of 22-24°C bring swimmers and dinghies to Lake Ukiel, and northern light lasts late into the evening; July is also the wettest month at about 88 mm.
Highs near 18-19°C, empty lake paths and quiet old town lanes, with the forest at its greenest in May.
Winter is raw: January averages 0°C by day and -4°C at night, and the lakes can freeze, so save Olsztyn for the warm half of the year unless you are passing through.
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Getting there
Warsaw Chopin, then the rail line north to Olsztyn Główny
Most visitors fly into Warsaw Chopin and take a direct train north to Olsztyn Główny. Olsztyn-Mazury airport at Szymany, about 60 km south, has few routes, with a Polregio rail link of under an hour. Trains also run direct from Gdańsk and Białystok. Drivers use the S7 to Olsztynek, then the S51.
- Olsztyn-Mazury Airport
- At Szymany near Szczytno, about 60 km south; few routes
- Warsaw Chopin
- Main gateway; continue by direct train to Olsztyn Główny
- Train
- Direct from Warsaw, Gdańsk and Białystok, plus some through trains from Kraków
- Car
- S7 to Olsztynek, then the S51 into the city
- Olsztyn Główny is a couple of kilometres from the old town; ride a tram in if you have luggage.
Where to stay
Within the High Gate, or lakeside on Żeglarska
Decide first whether Olsztyn is a city stop or a lake break. For the castle and old town, sleep inside or just outside the walls near the High Gate; for a summer holiday, the hotels around Lake Ukiel on Żeglarska let you swim before breakfast and ride in for dinner.
- Old town
- Guesthouses and apartments a short walk from the castle, the High Gate and the co-cathedral; lively on summer nights, quiet in winter
- Lake Ukiel
- Lakeside hotels such as Przystań Hotel & Spa on Żeglarska, with water views, pools and saunas; best for families and spa breaks, a ride from the centre
- Centre and station side
- Practical apartments and budget rooms, handy for early trains and the tram line, but with little character
- Kortowo
- The leafy university campus on its own lake, with student-term bustle and a direct tram to town
Getting around
Trams to Kortowo and the lakes, the old town on foot
Walk Olsztyn's old town, where the castle, the Old Town Hall, the co-cathedral and the High Gate are minutes apart. Trams, back since 2015, link the main station, the centre, the Kortowo university campus and the southern estates, and buses run to Lake Ukiel. A car is useful only for the Masurian lakes further east.
- Trams
- Station, centre, the Kortowo campus and the southern estates; frequent through the day
- City buses
- Fill the gaps, including routes towards Lake Ukiel and the forest edges
- On foot
- Castle to the High Gate in about five minutes along the old town streets
- The city forest and the shores of Lake Ukiel are laced with paths, so bring walking shoes, not just city shoes.
Know before you go
What makes Olsztyn worth the trip, and what catches visitors out.
Why travelers love it
- The castle walls above the Łyna, best seen from the riverside path while the museum inside is shut for renovation.
- Walking in through the High Gate, the 14th-century entrance to the old town.
- A swim at the Lake Ukiel city beach, a short ride from the centre.
Good to know
- The castle museum is shut for renovation from September 2026 for about three years; check its website before planning around the Copernicus rooms.
- For Masuria proper, a car makes it much easier to reach the lakes and small towns beyond the city.
Trip fit
BookingMentor editorial ratings out of 5, based on a first-time visitor's experience.
Weather in Olsztyn, month by month
Olsztyn's January highs hover near 0°C, and July reaches about 24°C. July is the wettest month at about 88 mm, February the driest at about 33 mm.
Climate figures are approximate long-term averages for Olsztyn (Institute of Meteorology and Water Management, via Wikipedia).
Copernicus's castle, the High Gate and a swim in Lake Ukiel
Begin below Olsztyn's castle of the Warmian Chapter, the 14th-century brick fortress where Copernicus lived as administrator and directed the town's defence against the Teutonic Knights in 1521. Walk up through the old town past the Old Town Hall to the High Gate, and on a summer afternoon take a bus out to Lake Ukiel for a swim.
The museum inside closed in September 2026 for about three years of renovation, so walk round the walls and the riverside park below them instead, and check the museum's site for a reopening date if you hope to see his rooms.
Walk up into the old town. The Old Town Hall on the market square dates from around 1500, and the houses around it were rebuilt after the war in their old shapes. The co-cathedral of St James on Staszica, a brick Gothic church more than 600 years old, is the big building on the skyline; go inside for the soaring Gothic vaults. Leave the old town through the High Gate on Staromiejska, the 14th-century gateway that is the only one of the medieval gates still standing.
In the afternoon, in summer, take a bus out to Lake Ukiel for a swim from the city beach, or walk the shoreline path. On a cold day, head instead to the planetarium on aleja Piłsudskiego for one of its sky shows.
Lake fish and Warmian dzyndzałki in Olsztyn
With more than ten lakes inside the city limits, fish is the thing to order in Olsztyn: sielawa, the small vendace, fried or smoked, plus pike, zander and smoked eel. Warmia has its own farmhouse cooking too, including dzyndzałki, small meat-filled dumplings, served in old-town restaurants that advertise regional food.
Smoked fish is the classic picnic food to take down to the lake.
Warmia has its own farmhouse cooking too. Dzyndzałki are small dumplings, usually meat-filled, finished with omasta, a dressing of fried pork fat and onion. Potato pancakes, here called plince, come with sour cream or a meat sauce. You find these dishes in old town restaurants that advertise Warmian or regional cooking, and less often in the newer places by the shopping centres.
The old town is the obvious place to eat, with tables spilling out around the market square and below the castle in summer. Kortowo has the cheap cafés and bars of a campus, busiest during term. From a lakeside hotel, check opening hours before heading in, especially out of season.
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How we research our Olsztyn travel guide
Olsztyn's train and tram links and the castle museum status are checked against the city's official website and Poland Travel, with Wikipedia for Copernicus and Warmian history.
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Frequently Asked Questions (FAQs)
Quick answers to the questions travelers ask most before visiting Olsztyn.
General
Olsztyn-Mazury at Szymany is closer, about 60 km south, but has few routes. Warsaw Chopin has far more flights and direct trains on to Olsztyn Główny.
One day covers the castle walls and the old town. Add a second for Lake Ukiel or the planetarium, then move on east to the Masurian lakes.
On a cloister wall in the castle of the Warmian Chapter, home of the Museum of Warmia and Masuria. He drew it to fix the date of the equinox; the castle closed in September 2026 for about three years, so it cannot be seen until the museum reopens.
As administrator of the chapter's estates, he organised the defence of Olsztyn castle and town against the Teutonic Knights, and the attack failed.
Yes. The network, opened in 2015, links the station and the city centre with the Kortowo campus of the University of Warmia and Masuria and the southern estates.
Yes, the 14th-century High Gate on Staromiejska is the surviving gate of the old town walls and the usual way in from the centre.
Sky shows under the dome of a planetarium opened in 1973, within walking distance of the old town; the same institution runs an astronomical observatory in the city.
Vendace, a small fish from the cold lakes of Warmia and Masuria, usually served fried or smoked. Look for it on regional menus in summer.
Yes. Some through trains run from Kraków, with more in the summer lake season; check PKP Intercity for the current timetable. Most other direct trains come from Warsaw, Gdańsk and Białystok.
Timing & weather
In July and August. Lake Ukiel, on the north-west side of the city, has the city beach and is busy with swimmers and sailors in summer, especially in July and August.
The best time to visit Olsztyn is May to Sep. Warm enough to swim at Lake Ukiel, with long evenings in the old town.
- Best overall: June - August (Highs of 22-24°C bring swimmers and dinghies to Lake Ukiel, and northern light lasts late into the evening; July is also the wettest month at about 88 mm)
- Shoulder: May, September (Highs near 18-19°C, empty lake paths and quiet old town lanes, with the forest at its greenest in May)
Booking
Spend one or two days, then head on to the Masurian Lakes.
Getting there
Most visitors fly into Warsaw Chopin and take a direct train north to Olsztyn Główny. Olsztyn-Mazury airport at Szymany, about 60 km south, has few routes, with a Polregio rail link of under an hour. Trains also run direct from Gdańsk and Białystok.
Visa & documents
Poland applies the Schengen area's entry rules. Citizens of the EU and of many other countries, including the US, UK, Canada and Australia, can visit visa-free for up to 90 days in any 180-day period; other nationalities need a Schengen visa. The EU's Entry/Exit System (EES) records non-EU travelers' fingerprints and a photo at the border.
Health & safety
Crime against visitors to Poland is low. Watch for pickpockets in busy tourist areas and overpriced bars that target tourists.
