Natural monuments around Vihti, a municipality in the Uusimaa region of Southern Finland, offer diverse natural landscapes. The area is characterized by extensive forests, numerous lakes, and rocky ridges, providing a setting for outdoor activities. Vihti's natural features include protected formations and geological sites, contributing to its ecological significance. These locations are valued for their natural beauty and scientific importance.
Last updated: May 9, 2026
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Hiidenpesä is a small cave and one of the highlights of the Sorlampi Nature Trail. It is located south of Lake Sorlampi and is worth a short detour from the main trail.
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Hiidenpesä is a little cave and one of the highlights of the Sorlampi Nature Trail. It can be found just to the south of Sorlampi lake and is worth a little detour from the main loop to see.
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This rocky viewpoint on the Klassarinkierros Trail is elevated above the trees and provides a lovely vista across the national park. It's well worth a detour from running the main loop.
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Thanks to the elevated location and rocky terrain, no trees obstruct your view from this vantage point, allowing you to turn in a circle and marvel at the stunning panorama.
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Korpinkierros is marked with yellow marks on trees, clearly visible in summer and wintertime. You find all trails and their marking colours in the official map of Nuuksio Nationalpark. Korpinkierros, 6-7.2 km circular route, Travel time approx. 4 hours, no winter maintenance. Challenging. The Korpinkierros trail will thrill even experienced hikers with its rocks and varied nature. Descend into the groves and be enchanted by the ponds. Starting points Address: Haukkalampi, Haukkalammentie 32, 02820 Espoo and Siikaniemi, Siikajärvenranta, Espoo (pdf 6.2 MB, jualkuus.metsa.fi). Haukkalampi coordinates: Euref-Fin (~ WGS84) lat: 60° 18.8649' lon: 24° 31.2936' ETRS-TM35FIN N: 6689001 E: 363094 Siikaniemi coordinates: Euref-Fin (~ WGS84) lat: 60° 17.3591' lon: 24° 30.8904' ETRS-TM35FIN N: 6686221 E: 362617 Services and hiking structures Starting from the Haukkalampi parking area (7.2 km), Haukkalampi nature hut, guide water point, Mustalampi camping area, campfire site, covered campfire site and cooking shelter. Starting from Siikaniemi (6 km), Kolmoislampi has a reserved camping area, Holma-Saarijärvi has two campfire sites/camping areas and a lean-to. Things to see The drifting peat bogs of Mustalampi.
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The lake was dammed in the 1950s. The rising sea level created floating mats of peat on Mustalampi. The rising water detached peat masts from the mire around the lake. These gently drifting "islands" provide safe nesting sites for many birds. Mustalampi is located 14 meters above Haukkalampi. In the years 1948-1951, its surface was raised artificially by damming and felling trees from under the expanding lake. The lake descends to Haukkalampe along Mustalammenpuro through a shady valley. The outdoor path from Haukkalammi to the south runs along the side of the stream. At the dam, there is a steep hill on the road with a soup kitchen on top.
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It's just one of many great places to have a picnic. But make sure that you take your rubbish back with you.
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Vihti is home to fascinating geological features, including Hiidenkirnut, also known as Giant's Kettles. These are potholes in bedrock, sculpted by melting glaciers during the Ice Age. A notable example can be found near Vihti Church, particularly in Hiidenpesä, which is part of the Sorlampi Nature Trail. These kettles offer a glimpse into the region's ancient geological history.
Yes, the Mustalampi Dam area is excellent for observing unique ecosystems. The lake was dammed in the 1950s, which led to the formation of floating mats of peat. These gently drifting 'islands' provide safe nesting sites for many bird species, making it a special spot for nature observation.
Vihti offers a variety of hiking trails, especially within Nuuksio National Park. For a challenging experience, consider the Korpinkierros Trail (7.2 km), which features varied terrain, rocks, and diverse nature, including the drifting peat bogs of Mustalampi. For more hiking options, you can explore the Hiking around Vihti guide.
Absolutely. Nuuksio National Park, which extends into Vihti, offers several family-friendly spots. The Picnic Rock in Nuuksio National Park is a great example, providing a suitable location for a picnic amidst nature. The Pääkslahti Nature Trail also offers sandy beaches and well-maintained lean-to shelters, making it comfortable for families.
For stunning panoramic views, visit Klassari Rock. This rocky viewpoint on the Klassarinkierros Trail is elevated above the trees, offering an unobstructed vista across Nuuksio National Park. The Pääkslahti nature trail also provides scenic views of Hiidenvesi from Mustakallio and Laukkakallio.
Beyond hiking, Vihti's natural areas are suitable for various outdoor activities. You can explore gravel biking routes, such as the 'Mustalampi Picnic Shelter – Sorlampi lake loop' or 'Maaria's Land Art Garden loop'. For more options, check out the Gravel biking around Vihti guide. Road cycling is also popular, with routes like the 'Suitiantie – Tervalammentie Road loop'. Find more details in the Road Cycling Routes around Vihti guide.
The natural monuments in Vihti can be enjoyed year-round, but each season offers a different experience. Spring and summer are ideal for hiking and enjoying the lush greenery and lakes. Autumn brings beautiful fall foliage, while winter offers a serene, snow-covered landscape, though some trails like the Korpinkierros Trail may not have winter maintenance.
Yes, the Pääkslahti Nature Trail is often a less crowded alternative to more popular national parks. It offers tranquility, sandy beaches, views over Lake Hiidenvesi, and well-maintained facilities, providing a peaceful experience away from larger crowds.
Many natural areas in Vihti, especially within Nuuksio National Park and along trails like Pääkslahti, offer useful facilities. These can include lean-to shelters, campfire sites (sometimes covered), cooking shelters, and outhouses. For example, the Haukkalampi area, a starting point for the Korpinkierros Trail, has a nature hut and a guide water point.
Generally, dogs are welcome on trails in Finland's natural areas, including those around Vihti, but they must be kept on a leash. Always check specific park or trail regulations before your visit to ensure compliance and respect for wildlife and other visitors.
The natural monuments in Vihti are ecologically significant due to their diverse landscapes, including extensive forests, numerous lakes, and rocky ridges. Protected formations like the ancient pine tree with thick shield bark in Pääkslahti, and unique geological features like the Giant's Kettles, contribute to the region's ecological value and biodiversity.


Extend your search for the best caves by checking out these guides of the top ones around Vihti: