4.3
(18)
181
riders
51
rides
Mountain bike trails around Maarian allas offer a diverse landscape for riders, centered around an artificial lake approximately ten kilometers northeast of Turku. The area features a mix of open fields, dense coniferous forests, and riparian meadows, providing varied terrain. Shores range from gently sloping agricultural areas in the south to steeper, forested sections in the central part of the reservoir. This environment supports a network of trails suitable for different skill levels.
Last updated: June 26, 2026
3
riders
22.0km
01:33
140m
140m
Hard mountain bike ride. Great for any fitness level. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
4.0
(2)
23
riders
17.4km
01:20
100m
100m
Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.

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7
riders
12.5km
01:09
60m
60m
Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.
5
riders
27.6km
01:36
170m
170m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
6
riders
Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.
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The forest in Käärmekallio is amazing, the path crossing it unforgettable.
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Hyllylähde has served as a backup water well for the residents of earlier times. It has a diameter of about 4 meters.
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This gravel road is as beautiful as comfortable a gravel road can be. It leads to Vanhalinna, which means "Old Castle" in Finnish.
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Lieto is a small town in south-western Finland. It is mostly famous because of its medieval stone church, intitled to St. Peter, that dates back to the XVI century.
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This is an excellent spot to have a break, feel the sand between your toes and use the picknick facilities!
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Here you can spot birds, or just take a moment to soak in the beautiful views.
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Not too bad, asphalt showing its age (the usual crosswise cracks every few metres) in many places though
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A beautiful sandy pond with a steep slope. Enjoy a pause here.
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There are nearly 60 mountain bike trails around Maarian allas, offering a diverse range of options for riders. These include 10 easy routes, 23 moderate routes, and 25 difficult routes, ensuring something for every skill level.
The terrain around Maarian allas is notably varied. You can expect a mix of open fields, dense coniferous forests, and riparian meadows. Trails often feature diverse forest and mire landscapes, with sections along the lake's shores, ranging from gently sloping agricultural areas to steeper, forested sections.
Yes, Maarian allas offers 10 easy mountain bike routes that are suitable for families or beginners. These trails provide a gentler introduction to mountain biking while still allowing you to enjoy the area's natural beauty.
Absolutely. For experienced riders seeking a challenge, there are 25 difficult mountain bike routes around Maarian allas. Trails like the Käärmekallio – Turku–Lieto Bike Path loop from Haaga and the Käärmekallio – Sandy Lake with Island loop from Haaga offer hard rides through diverse forest and mire landscapes, with scenic lake views.
The mountain bike trails around Maarian allas are highly rated by the komoot community, with an average score of 4.0 stars from over 20 reviews. More than 200 mountain bikers have explored the varied terrain, often praising the diverse landscapes and well-maintained network of paths.
Yes, many of the trails around Maarian allas are designed as loops. For example, the Forest Trail by the Lake – Sandy Beach by the Lake loop from Kupittaa is a popular moderate route that takes you through forests and along lakeside paths.
While mountain biking, you'll encounter diverse landscapes including forests, fields, and the lake itself. The Myllyojan silta, a steel bridge built in 1980, spans the middle of the lake and is a notable feature. The area also has historical significance with ancient Stone Age dwelling sites and springs like Kukonmäen muinaislähde.
While specific parking locations are not detailed in the route descriptions, areas like Haaga and Kupittaa, mentioned as starting points for popular routes, typically offer parking facilities for visitors accessing the trails around Maarian allas.
Maarian allas is located approximately ten kilometers northeast of Turku's city center. Public transport options from Turku are generally available to areas surrounding the lake, making it accessible for mountain bikers without private vehicles. It's advisable to check local bus schedules for the most convenient stops near trailheads.
The diverse landscapes of Maarian allas offer enjoyable mountain biking experiences across different seasons. While specific recommendations depend on personal preference for weather and trail conditions, spring and autumn often provide pleasant temperatures and vibrant scenery. Summer is also popular, though trails might be busier.
With nearly 60 trails available, you can often find less crowded options, especially during off-peak hours or by exploring some of the less frequently mentioned routes. The network is extensive enough to allow for quieter rides away from the most popular loops.
Yes, Maarian allas offers a broad network of paths suitable for various outdoor pursuits. You can explore the Maarian kivikautinen polku (Maaria Stone Age Trail), which traverses diverse terrain and historical sites. Non-motorized water activities like canoeing, kayaking, or stand-up paddleboarding are also permitted on the lake.


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