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Raven's Trail

—•Hiking Trails

4.5 km

Route

Description

Luontoon.fi – Korpinkierros Trail (Repovesi National Park)+

Description

For fire warnings, protected-area rules, and the latest notes from the national park authority, start from the Metsähallitus Korpinkierros trail page on Luontoon.fi. Visit Kouvola gathers practical visitor information for the wider Repovesi trail network on its Repovesi pages, including downloadable maps and reminders about campfires, firewood, dogs on a leash, and winter ferry closures. Retkipaikka published Jussi Judin’s on-the-ground walk-through of the Olhava circuit—worth reading for pacing, parking, and how the climb up Olhavanvuori feels underfoot. Kouvola lies in Kymenlaakso. Raven's Trail is about 4.5 km as a loop around Olhavanlammi in Repovesi National Park, with Olhavanvuori as the main viewpoint. The name refers to ravens that nest near Finland’s best-known rock-climbing cliff at Olhava. You can walk the loop in either direction: climb Olhavanvuori first or save the ascent for later. From the Olhava side, the tread shifts from gravel and forest tracks toward a steeper climb on Olhavanvuori; from the top, views open west over forest and small lakes. About 1 km into the loop you pass Mustalamminvuoren näkötorni, a lookout tower on a side path from the main circuit. Along Olhavanlampi you reach Olhavanlampi laituri, Olhava laavu, Olhavan laavu, Olhava kaivo, and Olhava tulentekopaikka—good stops before or after the climb. Toward Karhulahti, the route passes Karhulahti kanoottilaituri, Karhulahti laituri, Karhulahti Grillikota 2, Karhulahti vuokrakota, and Karhulahti tulentekopaikka; Visit Kouvola highlights restrooms, the canoe dock, and the rental kota when you approach the loop from the water. The same landscape ties into the longer Repovesi trails network if you want to extend a day in the park. Dry toilets sit at service points such as Karhulahti rather than as separate named waypoints along the shore.

Length & route

The trail is about 4.5 km as one loop around Olhavanlammi with a climb on Olhavanvuori. Visitor guides sometimes round the distance to about 4.3 km for the signed circuit. Terrain mixes gravel and forest paths with rocky, exposed sections on the hill. Part of the shore on the west side of Olhavanlammi is described as rideable by mountain bike in visitor writing, but you must not ride up Olhavanvuori with a bike.

Getting there

By car, many visitors use Saarijärvi parking at Kuismantie 990 in Kouvola, then follow the gravel road roughly two kilometres toward the Olhava trailhead area. You can also reach the loop from the Olhava side or start from Karhulahti when arriving by canoe; Karhulahti has a canoe dock, restrooms, and a rental kota. Lapinsalmi and Tervajärvi are other common national park access points for different loops. Check the city’s public transport page for bus links toward Repovesi when you travel without a car.

Good to know

During forest fire warnings, open campfires are prohibited; follow Luontoon.fi and Metsähallitus bulletins for Repovesi. Firewood is stocked at many campfire sites but supply varies with use. Bring your own toilet paper for dry toilets. Ketunlossi ferry does not operate in winter.

History

The trail name refers to ravens nesting near the Olhava cliff; Visit Kouvola notes that this is why the route is called Korpinkierros.

Managed by

Kouvola

Official Maintenance

020 615 7518

GPX data from: © Metsähallitus, 2024

Trail info

Either direction; you may climb Olhavanvuori first or circle the lake and leave the ascent for the end.

Route direction

National Park

Area

Lake

Marked Route

Route Signs

Dogs (On Leash)

Dogs

Open / Good Condition

Retkipaikka – Repoveden kansallispuiston Korpin Kierros ja Olhavanvuori (Jussi Judin)

Activities allowed

Hike / Walk

Activity

Bike

Activity

Terrain & conditions

4.5 km

Distance

About 2–3 hours on foot for the loop with breaks and the Olhavanvuori climb, depending on pace.

Est. Time

Gravel and forest soil on the approach, rocky and uneven ground on Olhavanvuori, lakeshore paths beside Olhavanlammi.

Surface

Loop, Single Track

Route Type

Moderate Traffic

Traffic

Partial Shade

Shade

Visit Kouvola – Trails in Repovesi+

Location

61.18338°N, 26.82963°E

Approximate location

FinlandCountry

KymenlaaksoRegion

KouvolaCity

Hiking TrailsCategory

Explore nearby

Repovesi–Tihvetjärvi paddling route (Olhava loop)

469 m

Free

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Answers to your questions

Our data was researched from Kouvola, 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 Kymenlaakso Kouvola Hiking TrailsRaven's Trail