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Draft data. Times, fares and step counts are desk estimates awaiting field checks. Unknown times stay unknown. How we verify

Cluster · Helsinki

Suomenlinna Sea Fortress

Half-day island: the ferry from Market Square takes about 15 minutes, then 2–3 hours on foot over cobbles, grass and old ramparts; bring wind and rain layers.

Not field-verified

28″ bags

forbidden

Time budget

half

Rescue coverage

100% ≤7′

max p90 4.2′

Places

1

Rules in force · 6HSL trams, metro, trains and ferries need a valid ticket …
  • Finland ↗Finland is in the EU and the Schengen area. Check the entry rules for your passport on official sources; the EU's Entry/Exit System registers non-EU visitors at the first Schengen border.
  • Finland ↗The land border with Russia is closed to travellers; do not plan a route across it.
  • Finland ↗Everyman's rights let you walk, camp for a night and pick berries on most land, but not near homes, and not to make fires without permission.
  • Helsinki and the South Coast ↗The Helsinki–Tallinn ferry is a border crossing for many passports: carry your passport or national ID card and check the rules for your citizenship.
  • Helsinki ↗HSL trams, metro, trains and ferries need a valid ticket before you board (the HSL app, a contactless card at a machine or a kiosk ticket); inspectors check on board and fine on the spot.
  • Helsinki ↗Public saunas expect a shower first, and swimwear rules differ by venue and by session (mixed with swimwear, or separate by gender): check the rule for your slot before you book.
Map to the centre
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Directions
From where I am

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Walking weather, next 5 days

Loading forecast…

Forecast: Open-Meteo (CC BY 4.0), model data for this point.

Bound and physics

The main quay and the King's Gate, the ramparts and the coastal paths of Suomenlinna's island group.

Slope
gentle
Stairs
Steps on ramparts
Shade
low
Surface
cobbles, gravel and grass
Sleep here or visit
visit

Rescue anchors

340 grid cells · 40 m
ABCDEFGHIJK
Green: rescue anchor (always). Amber: heat-only anchor. Red dots: grid cells more than 7 min (p90) from every valid anchor. North is up; not to scale for navigation.

A — Suomenlinna main quay and visitor centre (field-verify position)

toilet · shelter · seated_rest · food · valid: always

B — Ramparts near the King's Gate (field-verify)

seated_rest · valid: always

C — north-west of the cluster: café or bench (field-verify)

seated_rest · food · valid: always

D — north of the cluster: café or bench (field-verify)

seated_rest · food · valid: always

E — north-east of the cluster: café or bench (field-verify)

seated_rest · food · valid: always

F — west of the cluster: café or bench (field-verify)

seated_rest · food · valid: always

G — centre of the cluster: café or bench (field-verify)

seated_rest · toilet · food · valid: always

H — east of the cluster: café or bench (field-verify)

seated_rest · food · valid: always

I — south-west of the cluster: café or bench (field-verify)

seated_rest · food · valid: always

J — south of the cluster: café or bench (field-verify)

seated_rest · food · valid: always

K — south-east of the cluster: café or bench (field-verify)

seated_rest · food · valid: always

always: 100% covered, max p90 4.2′, worst cell 4.2′ · heat: 100%

Nodes in this cluster

  1. Suomenlinna Sea Fortress

    Take the HSL ferry from Market Square, walk the ramparts and coastal paths for 2–3 hours, and go back before the wind picks up; the grounds are free, the museums charge.

Edges out

directed
ToHowp50Climb
Senate Square, Market Square & harbourHSL ferry to Market Square~20 minflat

Red lines here

  • Cold, exposed and windy off-season; the last ferries can run less often in winter — check the HSL timetable before you go.

Around this cluster

Straight-line distance; walk time adds 30% for streets.