Best lakes around Siuntio, a municipality in the Uusimaa region of Southern Finland, offer diverse natural beauty and recreational opportunities. The area is characterized by several lakes, including Vikträsk, Tjusträsk, and Karhujärvi, which are integrated into the Siuntionjoki river basin. These lakes provide varied landscapes, from protected natural areas to tranquil beaches and paddling routes. Siuntio's natural environment supports a range of outdoor activities centered around its numerous water bodies.
Last updated: July 1, 2026
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There are two campfire sites/campsites (Eastern and Western sites) at Holma-Saarijärvi, each with a shelter (laavu), fireplace, firewood and a toilet.
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For me, this is a very nice place, as it is partly located on an island in the middle of a beautiful lake. The facilities at Holma-Saarijärvi campsite include a fire pit, a shed next to the bridge that leads to the island, and an outdoor toilet. Firewood is available and is probably provided by the National Park Authority. There is another campsite on the west bank of the lake that also has a fire pit and an outdoor toilet. Leave the place better than you found it :-) https://www.nationalparks.fi/hikinginfinland/visitorguidelines
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Iso Holma View Point - sit on the rocks and listen to swans.
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For me, it's a very nice place because it's on an island in the middle of a beautiful lake. There are a few fire pits on the island. The Holma-Saarijärvi campsite is right next to the island. There are also fire pits in the village, as well as an outdoor toilet and firewood. Leave the place better than you found it :-) nationalparks.fi/hikinginfinland/visitorguidelines
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Good place to camp eg with bike in summer. Basic but good facilities. Has water and WC block but no showers. On-site cafe / bar / restaurant. Friendly staff. Popular with the boating crowd, but peaceful. Possible to rent SUP boards
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The Lähteelä outdoor recreation area in Porkkalka, Kirkkonummi, is the most diverse nature area in Länsi-Uusimaa. The peace of nature combined with functional services makes Lähteelä a great place to stay for a little longer. The Lähteelä outdoor recreation area includes the mainland and a large group of islands. The terrain is varied, with reedy rocky slopes, hills and fields. The Lähteelje has good basic facilities and is suitable for 'wilderness' hiking, for example, camping, birdwatching and nature walks on the mainland, islands or water. It is possible to camp in the area all year round. The Lähteelkä outdoor recreation area also includes the islands of Stora Svartö, Balgesholmen, Notholmen, Tallholmen, Häggviksholmen, Brändholmarna and Mossaholmen, as well as part of the island of Tallgrundet. Up-to-date information about the opening times of the services will be updated on this website and on Lähteela's facebook page. https://lahteela.fi
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Iso-Holma boasts a gorgeous little camping area on a peninsula that juts out into the lake. If you're looking to sleep off the beaten track while exploring the wonderful Nuuksio National Park, this is a great option. There's also an outhouse here.
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A "Laavu" is a low wooden shelter that is closed on three sides. This Laavu also has a fireplace.
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The lakes around Siuntio offer diverse natural beauty. You can find deep, clear waters at Vikträsk, winding shores at Karhujärvi, and tranquil beaches. The region is part of the Siuntionjoki river basin, and areas like Vikträsk and Tjusträsk are integrated into the Natura 2000 protected area, preserving a beautiful lake mosaic and wildlife, including Siberian flying squirrels.
Several lakes in Siuntio offer pleasant swimming spots. Karskog beach on Vikträsk is a popular choice for a summer's day. Tjusträsk also features a small, tranquil beach near the Siuntio spa. Additionally, visitors enjoy the clean waters at Beach on Lake Myllyjärvi, which is noted as a good place for rest.
Yes, there are excellent camping options. Iso-Holma Lake and Campsite offers a beautiful camping area on a peninsula, complete with an outhouse, making it ideal for those exploring Nuuksio National Park. Another great spot is Holma-Saarijärvi Campsite, located on an island with fire pits and a shelter on the mainland. The Lähteelä Outdoor Recreation Area also provides basic but good facilities for camping, including water and WC blocks, and is popular with cyclists.
The Siuntio area is great for various outdoor pursuits. You can enjoy hiking, running, and cycling on numerous trails. For example, there are several running trails like the 'Kallvik Beach loop' and 'Vartiovuori loop' mentioned in the Running Trails around Siuntio guide. Hiking options include the 'Palakoski Outdoor Recreation Area loop' and 'Långmossaberget loop' found in the Hiking around Siuntio guide. Cycling routes, such as the 'Western Kuninkaansilta – Bridge Over the Siuntio River loop', are available in the Cycling around Siuntio guide. Additionally, the Siuntionjoki river paddling route offers opportunities for canoeing through Tjusträsk and Vikträsk.
Yes, Siuntio offers several family-friendly options. The beaches on Vikträsk (Karskog beach), Tjusträsk (near Siuntio spa), and Lake Myllyjärvi are excellent for families to enjoy swimming and relaxation. The Lähteelä Outdoor Recreation Area is also considered family-friendly, offering diverse nature and functional services. Many hiking and cycling routes around the lakes are suitable for various skill levels, including easy options.
Vikträsk is known for its clear and deep waters, reaching a maximum depth of 15 meters. It covers 168 hectares and is part of the Siuntionjoki river basin. The lake is integrated into the Natura 2000 protected area, and a nature reserve was established around it in 2024, emphasizing its ecological importance. The Karskog beach on Vikträsk is a popular spot for swimming.
Tjusträsk, located south of Siuntio's church village, is a nutrient-rich lake covering about 114 hectares. It features a tranquil, south-facing beach near the Siuntio spa, perfect for relaxation. The lake is also part of the Siuntionjoki river paddling route, offering opportunities for canoeing from Siuntio's old Vicarage, through Tjusträsk and Vikträsk, all the way to the sea.
Karhujärvi, or Björnträsk, is located in the northeastern part of Siuntio and is the largest of the mentioned lakes, spanning 188 hectares. It is a flow-through lake within the Siuntionjoki river system, characterized by its winding shores. Approximately half of its shoreline is bordered by cultivated land, offering a different natural landscape compared to other lakes in the region.
The best time to visit largely depends on your preferred activities. Summer (June-August) is ideal for swimming, paddling, and enjoying the beaches. Spring and autumn offer beautiful scenery for hiking and cycling, with vibrant foliage or fresh greenery. Winter provides opportunities for activities like ice skating or cross-country skiing if conditions allow, though facilities might be limited.
Visitors particularly appreciate the serene natural environment and the well-maintained facilities. Many enjoy the beautiful campsites like Iso-Holma Lake and Campsite and Holma-Saarijärvi Campsite, which offer amenities like fire pits and shelters. The clean waters of lakes like Myllyjärvi and the peaceful atmosphere are also frequently highlighted by those who visit.
Yes, for those seeking shelter or a place to rest, the Laavu at Holma-Saarijärvi is a notable option. A 'Laavu' is a low wooden shelter closed on three sides, often equipped with a fireplace. This particular one is part of the Holma-Saarijärvi campsite facilities, which also include fire pits and an outdoor toilet, with firewood usually provided by the National Park Authority.


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