When did huts.fi research the data for Depth Circuit?

Huts.fi

Depth Circuit

—•Hiking Trails

6.3 km

Route

P 1

Description

Luontoon.fi – Syvyydenkierros Trail+

Description

Depth Circuit (Syvyydenkierros) is about 6.3 km as a day loop in Rokua National Park on the Rokua esker in North Ostrobothnia; Utajärvi is the municipality this listing uses. For closures, national park rules, and the authoritative route description, start with the Syvyydenkierros trail page on Luontoon.fi. Rokua Geopark summarises how to reach the area by car, train, and seasonal bus from Oulu and Kajaani, with stops such as Rokuanhovi near the trailheads. Mika Markkanen’s walk-through on Retkipaikka names the landforms you actually see on the ground—pale lichen carpets, wooden stairs on steeper esker flanks, and the junction where the loop leaves the old Saarinen-lake side alignment toward Kakkoskuppi and Pookinkuppi kettle holes before returning north. A family-oriented follow-up on Retkipaikka stresses the same Ice Age story in approachable steps: rolling harju forest, small dunes, and the big kettle at Syvyydenkaivo as the emotional centre of the hike. The loop is moderate in demand: short climbs, roots, and stairways are part of the character on Rokuanvaara-style heath. The trail is marked with blue paint blazes; you can walk clockwise or counterclockwise. The signature sight is Syvyydenkaivo, Finland’s deepest natural kettle hole—wide and deep enough that the shape is hard to photograph from one viewpoint, with a descent on wooden stairs and a wet, peat-lined floor tens of metres below the rim. Smaller kettles named Kakkoskuppi and Pookinkuppi sit along the southern arc; the same stair zone also carries the much longer Keisarinkierros, so junctions deserve a quick map check. About 2.3 km along the circuit from the geometry start you pass Opastuskeskus Supan kota at the visitor orientation area, then Hiihtostadionin laavu by the ski stadium—both are natural coffee stops if you time a short detour from the blue loop. Near 4 km you reach Pookin paikoitusalue, a parking area on the esker road network. A few hundred metres off the main ring (sources quote roughly 400 m one way), Pookivaara holds Pookin paussi päivätupa, Palovartijan autiotupa, Pookivaaran kuivakäymälä, and Pookin pirtti vuokratupa around a 1936 fire-guard outlook—worth the add-on if you want a roof, a view, and dry toilets without retracing to the spa village. The main ring itself has no campfire site; treat fire and camping under national park rules on Luontoon.fi. The Rokua trail network around the same hub includes Energiankulutusreitti, Rokuan monikäyttöura, Tervareitistö Rokualla, Rokuansydän, Pookinpolku, Rokuan Maastopyöräreitit, and lit ski and running loops at the stadium—handy if you want to stitch a longer day from one car park.

Length & route

The trail is about 6.3 km as one mapped loop. Sources describe a similar figure (often 6.2–6.5 km) for the blue ring; adding Pookivaara there and back typically adds roughly a kilometre to the day. Expect moderate cumulative ascent on the esker—on the order of tens of metres between high and low points on the loop rather than a single long climb.

Getting there

You can start the loop from Rokuanhovi (Jaakonjärventie 43) or from Pookin paikoitusalue; both are standard trailheads on Metsähallitus and geopark materials. In summer there is a direct bus connection from Oulu toward Rokua, with stops including Rokuanhovi—check Matkahuolto and the seasonal PDF schedules published by Rokua Geopark because timetables change. From Oulu or Kajaani by car, allow on the order of 1–1.5 hours depending on road and stop; valtatie 22 crosses the geopark area.

Good to know

Follow Metsähallitus wildfire and trail bulletins for Rokua National Park on Luontoon.fi. Dogs must follow current national park rules. There is no campfire on the Syvyydenkierros line itself; use only designated sites elsewhere in the park. Carry water—no well is guaranteed along the blue loop. Dry toilets cluster at Pookivaara if you make that detour.

Managed by

Utajärvi

Official Maintenance

GPX data from: © Metsähallitus, 2024

Trail info

Walk either clockwise or counterclockwise; the loop is marked both ways.

Route direction

National Park

Area

blue

Route Signs

Dogs (On Leash)

Dogs

Open / Good Condition

Retkipaikka – Syvyydenkierros (Luontopolkumies)

Activities allowed

Hike / Walk

Activity

Terrain & conditions

6.3 km

Distance

Allow about 1 hour 45 minutes to 2 hours 30 minutes on foot for the 6.3 km loop, longer if you add Pookivaara and photo stops at Syvyydenkaivo.

Est. Time

Marked forest path on esker heath: pine roots, sand, and wooden stairs on steeper slopes; short road links possible near Pookin parking.

Surface

Loop, Single Track

Route Type

Partial Shade

Shade

Light Traffic

Traffic

Retkipaikka – Syvyydenkierros (Luontopolkumies)+

Location

64.57085°N, 26.48999°E

Parking coordinates

FinlandCountry

North OstrobothniaRegion

UtajärviCity

RokuaVillage

Hiking TrailsCategory

Explore nearby

Pooki Trail

335 m

Free

Rate & Review

Be the first to write a review for "Depth Circuit"

Share a photo from a recent trip

Answers to your questions

Our data was researched from Utajärvi, 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 North Ostrobothnia Utajärvi Hiking TrailsDepth Circuit