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Natural sights and conservation areas
Conservation areas
Nature park of Olvassuo
The bog nature of the Northern Ostrobothnia has the greatest presentation in the enormous bog expanse of Olvassuo, Oravisuo, Näätäsuo and Sammakkosuo. The expanse is located at the border of Utajärvi and Pudasjärvi. The 6000 hectares wide conservation area contains minerotrophic bog- , riverside- and forest nature and it is important to reindeer industry.
Olvassuo is a large and diverse minerotrophic bog area that has a lot of rivers and streams. The area consists of several bog areas (Olvassuo, Kärppäsuo, Oravisuo, Näätäsuo, Sammakkosuo and Leväsuo) and the areas of Kälväsvaara and Iso Palovaara. Olvassuo is an important nesting area for birds and there are a lot of rare and endangered species of birds and plant species.
The significance of the forest conservation is great. The old pine and spruce tree forests are in natural state in some places.
There are mostly quagmire bog and sedge bog and marsh. Especially at the name bearing bog, Olvassuo, there are a lot of endangered fen types, for example pirch tree fens that are mainly located in Northern Finland. Ombrotrophic raised bogs are mainly located in Oravisuo, Näätäsuo, Kärppäsuo and Sammakosuo areas. In the eastern part of the park there are more hillside bogs and a lot of ground water sources. In Olvassuo there are bog meadows and flood meadows also grassy hay meadows that used to be reaped and pastured.
Iso Palovaara is 240 hectares wide area located across the counties of Utajärvi, Pudasjärvi and Puolanka. The site is relatively big terminal moraine type of area south east of Olvassuo. The formation is very gently sloping excluding the south east edge.
More information about the Olvassuo area and Olvassuo Life-project you can find from the website http://www.metsa.sif/luo/projektit/index.htm ----does not exist
Säippäsuo – Kivisuo area
Diverse, bare, 3331 hectares wide minerotrophic bog and ombrotrophic raised bog area that has plentiful birdlife.
Tolkansuo
Very quagmiry minerotrophic bog, uncommonly abundant water bird-, wading bird- and gull populations.
Niittysuo
Small bare minerotrophic bogs, 527 hectares.
Iso Tilansuo – Housusuo area
Area for vast minerotrophic bogs of Ostrobothnia, total land area is 3000 hectares of which 940 hectares in the municipality  of Utajärvi and the majority of it in the municipality of Puolanka.
Karhusuo – Viitasuo area
Bare minerotrophic bog of the Ostrobothnia zone. Out of 1100 hectares total land area, majority (865 hectares) lie in the municipality of Utajärvi and the rest in the municipality of Puolanka. At the rims of Karhusuo there are treeless bogs and carex globuralis covered marshes and at the borders of the bogs there is sphagnum papillosum cover. The area has abundant birdlife.
Sarvisuo – Jerusaleminsuo
Out of the 3700 hectares total land area, 540 hectares are located in the municipality of Utajärvi and the rest in the municipality of Vaala. Very typical bare minerotrophic bog of Northern Ostrobothnia.
Torvensuo – Viidansuo
Nationally significant site and because of its quagmires it is visually appealing and an important living environment for birdlife. Total land area is 1230 hectares split across the counties of Utajärvi and Ylikiiminki.
Löytösuo – Karpasuo – Reikäsuo
Small portion of the 1315 hectares wide area is located in the municipality of Utajärvi while most of the it is in the lands of municipality of Muhos. The area has dune formations and between them there are mid nutritious and bare swamps.
Ahmasjärvi
A small 424 hectares wide lake has a small drainage basin and flows into Oulujoki-river. Vegetation zones are uniform but not very broad. At the shoreline the dominating plant species is järvikorte (equisetum fluviatile) but you can also find järviruoko (phragmites australis) there. The birdlife consists mostly of the water birds.
Rokuanvaara
The area has 890 hectares of old forest conservation areas and additionally 1288 hectares wide Natura-area. Rokuanvaara is a a body where a delta has formed on top of a sizeable longitudinal esker. Deep esker holes, plentiful kettle lakes and high dunes and riverbanks covering the formation make the area geologically and aesthetically a unique experience. Some parts of this 3570 hectare area are located in the counties of Muhos and Vaala.
Kälväsvaara
1120 hectare formation consists of big ridges, esker hills and esker extensions. The highest parts are over 40 meters above the surrounding swamps. The area also has several significant esker holes out of which the most important is Iso Kirkaslampi.
The lakes of Rokua
Coastal conservation program includes Pitkäjärvi and the area around Kivi-Ahveroinen in the municipality of Utajärvi.
Kiiminkijoki river
Kiiminkijoki is 170km long, unbuilt, free flowing river that belongs to international Project Aqua-conservation project.  The starting point of Kiiminkijoki is at Puolanka. It flows through Utajärvi, Ylikiiminki, Kiiminki and Haukipudas into Gulf of Bothnia. The river has a total of 70 rapids. Kiiminkijoki river is diverse, naturally beautiful water route and its biggest rapids are Kalliuskoski in Puolanka, Kurimonkoski in Utajärvi and Koitelinkoski in Kiiminki. Finland’s highest natural water fall, Hepoköngäs located in Puolanka, is part of headwaters of Kiiminkijoki river.