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Tammen Farm Nature Trail

—•Hiking Trails

4.2 km

Route

Siltainsuon laavu

1.6 km|Free

Wilderness Huts

Mallileirialue

3.1 km|Free

Wilderness HutsThe model camp area includes different lean -to logs, eg. Peat camp. Puocee, notes, table bench combination.

Description

Outdoors Satakunta – Joutsijärvi, Ulvila+

Description

Tammen Farm Nature Trail is about 4.2 km as a loop on the south side of Lake Joutsijärvi in Ulvila, in Satakunta (the former Kullaa district). Outdoors Satakunta describes this shorter loop as the family-friendly option beside the much longer lake circuit, with both in use year-round. Matka Ulvila lists Joutsijärven retkeilyreitti among the city’s outdoor highlights and points visitors to trail write-ups for planning. The walk starts from the Tammi area: park near the Tammen leirikeskus (camp centre) and info point along Tammentie, then follow the marked path a few hundred metres to where the nature loop begins beside Joutsijoki. Along the loop you pass alternating forest, small mires on duckboards, and short shore views toward Joutsijärvi and nearby ponds; one branch meets the main Joutsijärven retkeilyreitti network where you can shorten or lengthen the day. About 1.6 km into the loop you reach Siltainsuon laavu, a good break spot on the bog edge; Mallileirialue sits farther around the circuit as a camp and programme area used especially by groups. The same sector is shared with Metsäopiston latu in winter and Metsäopiston kuntorata for running, and it ties into the long Joutsijärven retkeilyreitti that circles the whole lake. Retkipaikka’s visit write-up praises clear red paint marks on trees, an info cabin with a full-area map at the car park, and nature-trail “checkpoint” posts with short texts about habitats and boulders. The blogger recommends waterproof footwear after rain because of muddy stretches. Askeleita Suomessa’s full-lake report notes plentiful firewood stores at lean-tos on the big circuit and good marking overall on shared segments. For the latest on events, camp bookings at Tammi, or changes to access, start from Matka Ulvila’s outdoor pages and the regional Joutsijärvi overview.

Length & route

The trail is about 4.2 km as one signed nature loop on the south side of Joutsijärvi. Regional material also describes the full lake hiking circuit at roughly 27 km and one to two days on foot; the long Joutsijärven retkeilyreitti that shares this trailhead sector is a separate line on our map for hikers who want the big tour. Allow about one to two hours including breaks; one visit with a coffee stop at Siltainsuon laavu took roughly one hour and forty-five minutes according to Retkipaikka.

Getting there

Drive to the Tammi trailhead area on Tammentie in the Kullaa part of Ulvila (postal code 29340). Several small parking areas and an information cabin sit beside the road; Retkipaikka places the main parking near Tammentie 197 with a short walk west to the loop start. Outdoors Satakunta lists Tammi camp at Tammentie 197 and other Joutsijärvi access points around the lake for longer hikes. Check current gate or event closures at the camp centre before you rely on the closest spaces.

Good to know

Motorboats are forbidden on Joutsijärvi, which keeps the lake quiet for paddling and shoreline walking. Rowing boats may be rented from Café Vapukka for lake use where permitted. On the long circuit, hand-operated cable ferries and bridges cross some narrows; the short nature loop does not require them. Follow Matka Ulvila and Outdoors Satakunta for any temporary route changes after storms or forestry work.

Managed by

Ulvila

Official Maintenance

Trail info

Walk the loop in either direction; one visitor chose counter-clockwise so Siltainsuon laavu fell toward the end of the circuit.

Route direction

Recreation Area

Lake

Retkipaikka describes red paint blazes on trees for the Joutsijärvi trails in this sector.

Route Signs

Open / Good Condition

Retkipaikka – Joutsijärven luontopolku, Ulvila (Luontopolkumies)

Activities allowed

Hike / Walk

Activity

Public Transport

Activity

Terrain & conditions

4.2 km

Distance

About 1–2 hours with breaks; one detailed visit landed near 1 hour 45 minutes including a stop at Siltainsuon laavu.

Est. Time

Rocky forest footpath and duckboards over wet mires; short gravel links near the Tammi trailhead.

Surface

Loop, Single Track

Route Type

Light Traffic

Traffic

Partial Shade

Shade

Retkipaikka – Joutsijärven luontopolku, Ulvila (Luontopolkumies)+

Location

61.50439°N, 22.18439°E

Approximate location

FinlandCountry

SatakuntaRegion

UlvilaCity

KullaaVillage

Hiking TrailsCategory

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Answers to your questions

Our data was researched from Ulvila, 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 Satakunta Ulvila Hiking TrailsTammen Farm Nature Trail