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Seili South Nature Trail 1

—•Hiking Trails

1.3 km

Route

Seilin laituri

1.3 km|Free

Boat & Kayak LaunchesVene- tai kanoottilaituri

Seilin Kirkkoniemenkuivakäymälä

1.3 km|Free

Outdoor Toilets

Description

Luontoon.fi – Seili+

Description

Seili South Nature Trail 1 is about 1.3 km and forms a loop on Seili in Parainen, Southwest Finland. The island is a well-known visitor destination in the Archipelago Sea, managed for research and outdoor access in cooperation with public authorities. For closures, route ethics, and the wider outdoor picture at Seili, start with the Seili pages on Luontoon.fi. Visit Parainen summarises a 1.3 km walking route that follows a gravel road past important sites, with boards on nature and history; the route is described as easy underfoot but hilly in places. The Archipelago Research Institute (University of Turku) reminds visitors to stay on routes shown on the map and notes that some paths may be closed temporarily during cattle grazing, with signs at trailheads. Luontopolkumies’s Retkipaikka report from a six-trail day on Seili names yellow markers, muddy stretches where walking shoes can get wet, and grazing enclosures crossed by stiles—useful colour on what the ground can feel like after rain. Along the loop you pass near Kirkkoniemi services: Seilin laituri is the island dock where scheduled boats arrive, and a dry toilet is available at Seilin Kirkkoniemenkuivakäymälä nearby. Read more on our pages for those stops when you plan water access or a pause before walking on. The trail meets Seilin eteläinen luontopolku 2 on the line, so you can extend a southern island walk without backtracking the same way. Seilin Myllymäen luontopolku and the short Kirkkoniemi trails (Seili Kirkkoniemen polku 2 and Seili Kirkkoniemenpolku 1) sit close by if you want to stitch together a longer outing around the church point and harbours.

Length & route

The trail is about 1.3 km as one loop. It shares the southern island walking network with Seilin eteläinen luontopolku 2 where the two routes meet. Visit Parainen describes the 1.3 km option as following a gravel road past main sites with interpretive boards.

Getting there

Seili is reached only by water. Scheduled passenger boats typically run from Nauvo; allow roughly half an hour at sea depending on the service and timetable you choose. Vehicle access is not an option on the island; park on the mainland or Nagu side where local instructions allow and walk to the harbour. Visit Parainen lists visitor-season contacts and points to Luontoon.fi for broader Seili materials. Timetables and operator details change seasonally—confirm before travel on Visit Seili’s connections pages or with the ferry operator.

Good to know

Seili draws many visitors; start early or choose quieter days if you prefer more space on paths. Dogs are not clearly regulated on this specific loop in the sources checked; if you travel with a dog, confirm current local rules on the official pages. Combine with Seilin eteläinen luontopolku 2 or other island trails for a longer walk.

Managed by

Parainen

Official Maintenance

040 488 6022

GPX data from: © Metsähallitus, 2024

Trail info

Island

yellow

Route Signs

Activities allowed

Hike / Walk

Activity

Terrain & conditions

1.3 km

Distance

About 20–40 minutes without long stops

Est. Time

Dirt / Gravel

Surface

Loop

Route Type

Location

60.23672°N, 21.96256°E

Approximate location

FinlandCountry

Southwest FinlandRegion

ParainenCity

SeiliVillage

Hiking TrailsCategory

Explore nearby

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Answers to your questions

Our data was researched from Parainen, 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 Parainen Hiking TrailsSeili South Nature Trail 1