Description

Korouoma is an impressive 30-kilometre canyon. At its deepest the gorge is approximately 100-130 metres deep. The bottom of this canyon is level and it is 200 to 500 metres wide.

⚠️ "Rock climbing in the Korouoma is restricted to the cliffs at the western end of the canyon. (Ice climbing is allowed at all waterfalls in the area.)"
⚠️ 📅 "Getting around in the Pirunkirkko area should be avoided from May 1st to July 31st (1.5.–31.7.) to prevent disturbance to the endangered species present in the area."
📅 = Season for rock climbing: August–September.
⚠️ Loose rock very possible!

🧭 Aspect: Main aspect is North-East, but sectors and faces vary: Pirunkirkko SE, Taivas 360 etc.
↕ Route length: Sport 10–25m, trads 20–60m – longest trads of Finland.
Rock type: Coarse red granite, which tends to split and crack.

🚰 Two-three stream on approach path
🚾 🚻 Toilet at Pirunkirkko lean-to shelter and at Koivuköngäs parking lot.
🔥 ⛺ Firepit and camping possible at Pirunkirkko lean-to shelter, firewood provided for free.
🤿 Swimming possible in River Korojoki.

# Sectors
Pirunkirkko offers (very) steep sport climbing for the 6c-8a grade.

Taivas is another sport sector, around pillar boulder.

On other sectors it is mostly trad and often adventurous.

Korouoma is also the ice & mixed climbing mecca of Finland - see Korouoma Winter topo for that.

📚 Topo book "Korouoma – Kiipeilyopas rotkolaaksoon" shows highlights, including most/all summer climbing. Published in 2024. Buy from Camu, Treeline etc.

☀️🌧️ Weather beta
Sadekartta shows past rain at precise 5 minute map https://sadekartta.fi/12/66.178/27.465/
Road camera in Pernu, abit east from Koro https://liikennetilanne.fintraffic.fi/kelikamerat/?cameraId=C14511

History

Korouoma was found in 1983 by Leo Määttälä. In 1984 first winter routes and later in summer first rock climbing Classic, 5-, ja Lohkarekäytävä, 4.

Korouoma summer

Climbing has been limited!

⚠️ "Rock climbing in the Korouoma is restricted to the cliffs at the western end of the canyon. (Ice climbing is allowed at all waterfalls in the area.)"

⚠️ 📅 "Getting around in the Pirunkirkko area should be avoided from May 1st to July 31st (1.5.–31.7.) to prevent disturbance to the endangered species present in the area." = Season starts in August.

See https://www.luontoon.fi/en/destinations/korouoma/instructions-and-rules

🚗 From Rovaniemi 1h 20min (100km) drive to 🅿️ Koivuköngäs Parking lot, address: Kurtankaltiontie 195, Pernu. Coming from Rovaniemi on the main road (Rovaniementie) you will see on right hand side bigger parking lot with "Posio" information boards. Just after that turn right to Kurtankaltiontie and drive some kilometers until the Koivuköngäs parking lot.

🥾 35min/4km easy hike on mild downhill and flat easy path from Koivuköngäs Parking Lot to Pirunkirkko lean-to shelter.
🥾 Another 5-15 minutes to sectors: Find a way over/across river Korojoki - no proper bridge at the moment, but diy rope in place (updated 8.2026). Head towards cliff and soon you will see Veitsileikkaus sector – cannot miss it. Pirunkirkko sector is on left of it - Sikari/Taivas sector on right of it. Rosvosektori on a bit further on right.