Kuhakoski waterfalls in Nurmijärvi, Finland, 2021 April

Kuhakoski (; literally meaning "

zander The zander (''Sander lucioperca''), sander or pikeperch, is a species of ray-finned fish from the family Percidae, which includes the perches, ruffes and darters. It is found in freshwater and brackish habitats in western Eurasia. It is a popul ...

rapids") is a rapids near the village of

Perttula Perttula ( sv, Bertby) is a rural village along the Lopentie road in Nurmijärvi, Finland. Living is focused to agriculture. It's rounded neighboring villages like Uotila, Numlahti, Valkjärvi and Nummenpää. Nurmijärvi's largest village K ...

Nurmijärvi Nurmijärvi () is the most populated rural municipality of Finland, located north of the capital Helsinki. The neighboring municipalities of Nurmijärvi are Espoo, Vantaa, Tuusula, Hyvinkää and Vihti, and it is part of the Greater Helsinki. Th ...

Finland Finland ( fi, Suomi ; sv, Finland ), officially the Republic of Finland (; ), is a Nordic country in Northern Europe. It shares land borders with Sweden to the northwest, Norway to the north, and Russia to the east, with the Gulf of B ...

.Kuhakoski - Suomen vesiputoukset
(in Finnish) It is located in the immediate vicinity of the

Numlahti Manor Numlahti Manor ( fi, Numlahden kartano, sv, Numlax gård) is a manor house and mansion located in Nurmijärvi, close to the villages of Valkjärvi and Numlahti along the Lopentie road. The Numlahti Manor is the oldest manor of Nurmijärvi. ...

and the Regional Road 132, north of

Helsinki Helsinki ( or ; ; sv, Helsingfors, ) is the Capital city, capital, primate city, primate, and List of cities and towns in Finland, most populous city of Finland. Located on the shore of the Gulf of Finland, it is the seat of the region of U ...

. At the same time, Kuhakoski is the largest

waterfall A waterfall is a point in a river or stream where water flows over a vertical drop or a series of steep drops. Waterfalls also occur where meltwater drops over the edge of a tabular iceberg or ice shelf. Waterfalls can be formed in several wa ...

in the entire Uusimaa region,Uudenmaan suurin vesiputous, Nurmijärven Kuhakoski - Retkipaikka
(in Finnish) as it has a height of 16 meters. It is part of the

Vantaa River The Vantaa ( fi, Vantaanjoki, ) is a long river in Southern Finland. The river starts from the lake in Hausjärvi and flows into the Gulf of Finland at ' in Helsinki. One of the tributaries of the Vantaa river is Keravanjoki that flows throug ...

watershed, which descends stepwise to Lake Valkjärvi with a length of 150 meters. The rapids themselves start from a river excavated into the rock, to which the water of the Luhtajoki River flows soon after crossing the

Loppi Road Finnish regional road 132 ( fi, Seututie 132, sv, Regionalväg 132), or Loppi Road ( fi, Lopentie, sv, Loppisvägen) is the road between Finnish national road 3, Highway 3 (European route E12, E12) and Finnish national road 54, Highway 54, which ...

and then the old stone arch bridge. After the rocky outcrop, the water falls down in three large stumps, then bubbling through the woods into a rural landscape filled with fields. The field before the Loppi Road undercut by the rapids is the former drained Lake Kuhajärvi. Kuhakoski's waterfalls has played an important part in the history of Nurmijärvi, as the rapids were once the most important

mill Mill may refer to: Science and technology * * Mill (grinding) * Milling (machining) * Millwork * Textile mill * Steel mill, a factory for the manufacture of steel * List of types of mill * Mill, the arithmetic unit of the Analytical Engine early ...

rapids in the area. Since the beginning of the 16th century, four separate mills (the mills of the villages of Perttula, Uotila, Valkjärvi and

Numlahti Numlahti ( sv, Numlax) is a rural village in the municipality of Nurmijärvi, close to the village of Perttula and five kilometers from Klaukkala. The Numlahti Manor, which dates back to 1594 and is the oldest manor of the municipality, is located ...

) and later also

sawmill A sawmill (saw mill, saw-mill) or lumber mill is a facility where logs are cut into lumber. Modern sawmills use a motorized saw to cut logs lengthwise to make long pieces, and crosswise to length depending on standard or custom sizes (dimensi ...

ing have been operated in the rapids. In 1910, a small

power plant A power station, also referred to as a power plant and sometimes generating station or generating plant, is an industrial facility for the generation of electric power. Power stations are generally connected to an electrical grid. Many pow ...

was built in Kuhakoski by the Perttula and Uotila houses. The operation of the power plant continued until 1952. Even today, the foundations and ruins of the mills can be seen in the waterfall, reminiscent of the industrial history of the rapids. Other identifiable landmarks include the semi-two-storey brick building above the Valkjärventie road above the rapids, which was a former machine and

car repair A vehicle breakdown is a mechanical or electrical failure of a motor vehicle in such a way that the underlying problem prevents the vehicle from being operated or impedes the vehicle's operation so significantly that it is very difficult, nearly ...

shop in Perttula from 1937 to 1972.Muistaja: NM_VK_3182 - Museotietokanta
(in Finnish) In the northern part of the rapids, and especially in its eastern part, there is dry meadow, and on the rock along the rapids, bluebells and maiden pinks grow, among other things.Kuhakoski - Keski-Uudenmaan Ympäristökeskus
(in Finnish)

References

External links

Rapids Rivers of Finland Nature of Nurmijärvi {{Finland-river-stub