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Stora Masugnsträsket paddling route

—•Kayaking Routes

6.5 km

Route

Taalintehtaan ulkokuntoilupaikka

0.3 km|Free

Outdoor Gyms

Stora Masugnsträsketin kanoottilaituri

6.1 km|Free

Boat & Kayak Launches

Description

Visit Kemiönsaari – Paddling and boating routes+

Description

Stora Masugnsträsketin melontareitti is a short lake paddle on Stora Masugnsträsket—often called Iso Masuunijärvi in Finnish—beside the historic ironworks village of Taalintehdas (Dalsbruk) in Kemiönsaari. Southwest Finland is strong archipelago and lake-paddling country, and this line is a compact introduction on the main island. Visit Kemiönsaari groups this kind of outing with the municipality’s other paddling and boating ideas and sends planners to the activity map for full route suggestions and service contacts. The mapped line is about 6.5 km along a sheltered forest-and-shore circuit on an 86-hectare humus lake with a long, intricate shoreline. On the water you mostly move between pine-clad islets, rocky points, and narrow channels through raised bog hummocks; the northern maze of peat ridges is tight enough that paddlers need to pick lines carefully in places. Shores are largely free of continuous housing, so the mood stays surprisingly quiet for a lake so close to the ruukki settlement. There are no maintained trail structures on the lake itself, but landing spots for a break are easy to find along natural shores. During the bird breeding season avoid stepping onto small islets where birds nest, and treat the northern bog area gently in spring and summer because cranes and whooper swans use it. The usual launch and return is Stora Masugnsträsketin kanoottilaituri on the Dalsbruk shore, within a short walk of Taalintehtaan sports fields and the village core. On land, Luontoon.fi documents Masuunilammen luontopolku, a short interpretive loop from the old blast-furnace ruins past Masuunilampi and Pieni Masuunijärvi—handy if you want to pair paddling with an easy shore walk the same afternoon. Senatsberget hyvinvointipolku and the longer archipelago Merikotkan kierros are separate outings for another day but start from the same holiday area when you are ready for bigger water. Retkipaikka’s on-the-water account by Sanna-Mari Kunttu is worth reading for seasonal colour, practical pacing, and what the bog channels feel like from a canoe in calm weather.

Length & route

The mapped paddling line is about 6.5 km as stored on the route—aligned with published trip reports that describe a roughly six-kilometre circuit of the lake for a half-day outing. In calm conditions plan roughly three to four hours if you want time for breaks, birdwatching, and photography on the bog channels and open bays. There are no marked portages or whitewater; difficulty comes from tight passages among peat hummocks in the north, occasional wind on broader water, and respectful detours around sensitive breeding areas.

Getting there

Stora Masugnsträsket lies on Kemiönsaari’s main island beside Taalintehdas, roughly 47 km south of Turku by road. Aim for the Dalsbruk shore at Stora Masugnsträsketin kanoottilaituri off Stora Masugnsträsket address—parking and village services sit within a few hundred metres along Taalintehtaan sports and harbour streets. Visit Kemiönsaari’s equipment hire pages list canoe, kayak, SUP, and bike rental operators across the municipality; confirm seasonal hours and pick-up points before you travel.

Good to know

Carry buoyancy aids, spare clothes, sun and wind protection, and a means to call 112 in an emergency; treat private yards along occasional developed shores with care. For water ecology and long-term quality context on this humus lake, the national lake inventory entry summarises monitoring-based facts for waterbody 92.113.1.004. Check Visit Kemiönsaari for current rental and guided-trip options tied to Taalintehdas and the wider archipelago. Luontoon.fi erittelee Masuunilammen luontopolun maaston ja lähtöpisteen ruukin historiallisesta ympäristöstä.

History

The Swedish name Stora Masugnsträsket means “large blast-furnace lake,” recalling Taalintehtaan ironworks founded in 1686. The village of Taalintehdas grew around that industry; today the shores blend cultural heritage with quiet lake and archipelago recreation.

Where to rent kayaks

Retkipaikka notes that open canoes for Stora Masugnsträsket have been available through Kemiönsaari visitor information, including buoyancy aids, paddles, a map, and dry bags for gear, with two canoes on hand for groups up to four paddlers. Visit Kemiönsaari’s hire and guided-trip pages list Nordic Activities and other local outfitters for kayaks, canoes, SUP boards, and boats across the municipality—confirm what is offered in Taalintehdas versus Kasnäs, Hiittinen, or other bases before you book.

Managed by

Kemiönsaari

Official Maintenance

Trail info

Typically paddled as a circuit from Stora Masugnsträsketin kanoottilaituri around the lake and back to the same dock; wind and bird sensitivity may make clockwise or counter-clockwise more pleasant on the day.

Route direction

Recreation Area

Island

Lake

Open / Good Condition

Activities allowed

Kayak / Canoe

Activity

Terrain & conditions

6.5 km

Distance

Allow about three to four hours for a relaxed circuit with breaks in fair weather.

Est. Time

Lake Paddling

Water type

Retkipaikka – Meloen auringonlaskuun Stora Masugnsträsketillä (Sanna-Mari Kunttu)

Location

60.04421°N, 22.50423°E

Approximate location

FinlandCountry

Southwest FinlandRegion

KemiönsaariCity

TaalintehdasVillage

Kayaking RoutesCategory

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Answers to your questions

Our data was researched from Kemiönsaari, and other trusted sources, in March 2026. Our route / place GPX data comes from Metsähallitus / Lipas, last updated March 2026. Always check their official website for safety-critical updates.

Finland Southwest Finland Kemiönsaari Kayaking RoutesStora Masugnsträsket paddling route