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Hiking trails & Routes
Finland
Southern Finland
Iitti

Radansuu Nature Trail

Moderate

4.7

(3)

33

hikers

Radansuu Nature Trail

02:21

7.47km

60m

Hiking

Hike the moderate 4.6-mile Radansuu trail in Iitti, a circular route offering diverse scenery, lake views, and a stop at Kalmusaari island.

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

Get Directions

1

1.63 km

Harjanmäki trail

Highlight • Trail

Flowy singletrack through mossy forest and granite slabs, with rewarding views over the lake Urajärvi.

Tip by

2

3.07 km

Bay of Kuoppasuo

Highlight • Trail

The Radansuu circular trail passes here on a boardwalk along a shallow bay overgrown with reed.

Tip by

3

4.41 km

Kalmusaari

Highlight • Lake

A wooden bridge leads to this tiny island with a jetty, a shelter and a fire pit.

Tip by

B

7.47 km

End point

Parking

Loading

Way Types & Surfaces

Way Types

5.49 km

722 m

552 m

394 m

296 m

Surfaces

3.56 km

3.23 km

261 m

107 m

< 100 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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Weather

Powered by Foreca

Wednesday 15 July

23°C

13°C

0 %

Additional weather tips

Max wind speed: 3.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

How long does it take to hike the Radansuu trail?

The estimated hiking time for the Radansuu trail is around 2 hours and 46 minutes. This is for the full 7.5 km loop.

What is the terrain like on the Radansuu trail?

The trail offers diverse terrain, including forest paths, meadows, and sections that skirt a golf course. A significant feature is the presence of long boardwalk sections, particularly through reed beds and leading to Kalmusaari island. In wet weather, these boardwalks can be slippery or partially submerged, so waterproof footwear is recommended.

What are the main points of interest along the Radansuu trail?

Along the route, you can enjoy stunning views of Lake Urajärvi and the Kymi River. Notable scenic points include the impressive Kuoppasuonlahti reed bed and the Lemmenkukkula viewpoint on Torvikallio. The trail also passes by the Harjanmäki trail and the Bay of Kuoppasuo. At roughly the halfway point, Kalmusaari island offers a lean-to shelter, campfire site, and compost toilet.

Where can I park for the Radansuu trail and where does it start?

The trail is a circular loop, and you can start from either the Radansuu Lake Urajärvi beach or the Pohjanmäki boat dock. Both locations offer parking options. These starting points are also accessible by canoe or boat, allowing for integrated land and water excursions.

Is the Radansuu trail dog-friendly?

Yes, the Radansuu trail is generally dog-friendly. However, always keep your dog on a leash, especially in areas with wildlife or near other hikers, and remember to clean up after your pet.

What is the best time of year to hike the Radansuu trail?

The trail is enjoyable in various seasons. Spring and autumn offer beautiful colors and cooler temperatures. Summer is also popular, but be prepared for potentially warmer weather and more insects. Winter hiking is possible, but conditions can be challenging with snow and ice, especially on boardwalks.

Do I need a permit or pay an entrance fee for the Radansuu trail?

No, there are no permits or entrance fees required to hike the Radansuu trail. It is freely accessible to the public.

Is the Radansuu trail suitable for beginners or families?

While often rated as 'moderate' due to its length, the trail is generally considered quite easy to walk and is well-marked. Its varied terrain and features like boardwalks make it suitable for most hikers, including families, though some stamina is required for the full 7.5 km loop.

Are there any facilities like toilets or shelters along the route?

Yes, at the halfway point on Kalmusaari island, you will find a lean-to shelter, a campfire site, and a compost toilet, making it an ideal spot for a break.

Does the trail intersect other well-known paths?

Yes, the route primarily follows and intersects with sections of the Radansuun luontopolku.

What should I pack for hiking the Radansuu trail?

Given the varied terrain and boardwalks, sturdy hiking shoes, preferably waterproof, are advisable. Bring water, snacks, and appropriate clothing for the weather. Insect repellent can be useful during warmer months. If you plan to use the campfire site on Kalmusaari, bring your own firewood.

Nearby routes

Easy

4.8

150

Lemmenharju nature trail – Vierumäki

01:14h

3.98km

20m

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