4.5
(10)
40
hikers
Hiking in Kallriga offers diverse landscapes within an inner archipelago environment, characterized by a rugged coastline, shallow fjords, and numerous bays. The region experiences ongoing land elevation, leading to the formation of small lakes from the sea. Habitats include grazed beach meadows, leafy pastures, and old-growth coniferous forests, particularly towards the coast.
Last updated: June 21, 2026
4.0
(3)
13
hikers
8.64km
02:13
30m
30m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.8
(5)
15
hikers
4.85km
01:15
20m
20m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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4.0
(1)
3
hikers
6.72km
01:42
20m
20m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
1
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
1
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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Summer is usually quite busy around the harbor. There are a few restaurants (fish, pizza, burgers etc.) and bars on the water with a beautiful view of the harbor, a small, well-stocked supermarket and a classic kebab.
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Great viewpoint on large, flat rocks directly at the entrance to Öregrund with a beautiful view over Öregrund, over to Gräsö and the Öregrundsgrepen. The deck structure of a ship serves as a lighthouse / beacon.
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Typical small church with lots of fishing motifs in the center of Öregrund.
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Nice little café with delicious baked goods (cinnamon rolls, curd cheese, etc.), but also hearty things for lunch or "fika". Internet / WiFi available.
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From here you can take the free ferry to the beautiful island of Gräsö. The crossing takes about 5-10 minutes. Here are the current departure times: https://www.trafikverket.se/farjerederiet/farjeleder/Farjeleder-i-Uppsala212/Grasoleden/Tidtabell-Grasoleden/.
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Kallriga offers a selection of 5 hiking routes, primarily focusing on the coastal areas and the charming town of Öregrund. These routes provide diverse experiences within the region's unique archipelago landscape.
Yes, Kallriga has several easy trails. For instance, the Öregrund Harbor – Café Wilma loop from Öregrund is an easy 4.9 km path exploring the harbor area. Another great option is the Tallparksbadet loop from Öregrund, which is 6.7 km and takes about 1 hour 42 minutes to complete.
Kallriga offers a diverse inner archipelago landscape. You'll encounter rugged coastlines, shallow fjords, and numerous bays. The terrain features grazed beach meadows, lush leafy pastures, and old-growth coniferous forests, especially further towards the coast. The ongoing land elevation also creates dynamic waterways and small lakes forming from the sea.
The spring and autumn seasons are particularly rewarding for hiking in Kallriga, especially for birdwatching. The shallow Kallrigafjärden is a significant resting place for migratory birds during these times. However, it's important to note that certain parts of the reserve have bird protection areas with access restrictions during specific times to protect breeding birds, particularly in spring and summer.
Absolutely. In the southern part of the reserve near Kallerö, a 1 km red-marked trail leads to Länsmansberget, which offers scenic views over Kallrigafjärden. Continuing along this trail, you'll reach Harudden, where Upplandsstiftelsen has constructed a bird tower providing excellent views for observing the abundant birdlife.
The main parking area for accessing the marked trails and facilities in Kallriga is located in the southern part of the reserve, near Kallerö. From here, you can easily access the trail leading to Länsmansberget and the bird tower at Harudden.
The komoot community highly rates hiking in Kallriga, with an average score of 4.4 stars. Hikers often praise the varied coastal environments, the charm of the Öregrund area, and the opportunity to experience the unique archipelago landscape.
Yes, for a more moderate experience, consider the Öregrund Harbor – View of Öregrund Harbor loop from Öregrund. This route is 8.9 km long and typically takes about 2 hours 16 minutes to complete, offering views of the harbor and surrounding coastal areas.
Many of the routes in Kallriga are designed as loops, allowing you to start and end at the same point. For example, the Öregrund Harbor – Öregrund–Gräsö Ferry Terminal loop from Öregrund is an easy 7.6 km circular path that explores different parts of the harbor and ferry terminal area.
Yes, along the hiking route that leads to the bird tower at Harudden, there is a designated resting place at Sjöboden. This provides a convenient spot to take a break and enjoy the surroundings.
Kallriga is known for its rich birdlife, and certain areas are designated as bird protection zones with restricted access, especially during breeding seasons. Visitors are advised to avoid open beach meadows during spring and summer to protect nesting birds. Sea eagles are also a common sight in the area.
Yes, you can explore the area around the lighthouse. The Öregrund–Gräsö Ferry Terminal – Öregrund Lighthouse loop from Öregrund is an easy 5.8 km route that takes you past the lighthouse, offering coastal views.


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