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Castles

Stone Corridor, Suomenlinna Fortress

Castles

Stone Corridor, Suomenlinna Fortress

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Stone Corridor, Suomenlinna Fortress

Name: Stone Corridor, Suomenlinna Fortress
Rating: 2

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by 50 explorers

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Location: Helsinki, Southern Finland, Finland

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Niklas 🥾🚲🛶🛼😀

July 18, 2023

Hiking

Exploring these corridors makes it easier to imagine the life of the soldiers who used to serve here - certainly no picnic!

Translated by

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Ralph_Gede

November 27, 2022

Hiking

A flashlight is helpful for the underground passages.

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Ar〽️in Bock ©️

July 15, 2025

Hiking

Deep inside the facility…

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Routes here

Best Hikes to Stone Corridor, Suomenlinna Fortress

4.8

(35)

305

hikers

1. Suomenlinna Sea Fortress – King's Gate loop from Ruoholahti

15.3km

04:00

100m

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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How to understand each route’s difficulty level

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Easy

Up to 2 hours and 1,000 ft. of elevation gain. Great for any fitness level.Easily-accessible paths. Suitable for all skill levels.
Corresponds approx.to SAC 1.

Moderate

Up to 5 hours and 3,000 ft. of elevation gain. Requires good fitness.Mostly accessible paths. Sure-footedness required.
Corresponds approx. to SAC 2-3.

Hard

More than 5 hours long or 3000 ft. of elevation gain. Requires very good fitness.Sure-footedness, sturdy shoes and alpine experience required.
Corresponds approx. to SAC 4–6.

Technical difficulty rating based on the Swiss Alpine Club (SAC) Hiking Scale.

Moderate

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Elevation 20 m

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Saturday 24 January

-7°C

-9°C

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Location: Helsinki, Southern Finland, Finland

Other Popular Places to Check Out

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