Lohja is a Finnish city located in the province of Uusimaa. The city is officially bilingual, although it is not obliged to do so on the basis of linguistic relations; 3.5% of its inhabitants speak Swedish as their mother tongue. Lohja's neighboring municipalities are Inkoo, Karkkila, Raseborg, Salo, Siuntio, Somero, Tammela and Vihti.
Geography and nature
The city structure is a strip station in the direction of Lohjanharju, which starts from the E-18 motorway and continues along the Hanko-Hyvinkää road to Virkkala. The parts of the strip station from the east are Muijala, Perttilä, Lempola Shopping Park, Ventelä, Asemaseutu, Keskilohja, Ojamo, Tynninharju and Virkkala. Uusimaa's largest lake, Lohjanjärvi, is largely in the municipality. Hormajärvi is located entirely in Lohja. Finland's largest natural cave, Torhola Cave, is located in Lohja. There are a total of 141 lakes and ponds in the municipality.
The nature of the Lohja region is considered to be uniquely rich. Noble deciduous trees, walnut shrubs and grove plants thrive in the area’s limestone cliffs. On the back of the block, the vegetation is mainly barren of dry pine cloth on sandy soils. In the clay clays of the Lohjanjärvi region, the vegetation is more lush, and extensive spruce forests dominate the landscape. In terms of vegetation, Lohja is located in the border area of the northern boreal coniferous forests and the transition zone of coniferous forests and deciduous forests, the hemiboreal zone. Compared to the rest of southern Finland, the area is particularly rich in walnut shrubs and blue anemones. The vegetation also has its own characteristic of the calcareous soil, which is a large deposit around Lake Lohjanjärvi. The lime effect combined with the mild microclimate created by the lakes, as well as the south-western location, enable the abundant grove vegetation of the Lohja region.
Located on the shores of Lake Lohjanjärvi, the Karkali Nature Reserve is known for its extensive walnut shrub groves, its flowering white anemone and yellow anemone, and its oak and lime forests. The finest groves in southern Finland are created by calcareous land and a nearby lake, which make rare groves thrive. Archbishop Gustaf Johansson fell in love with the place more than a hundred years ago.
There are also a few protected alpine groves on the shores of Lake Lohjanjärvi, which are unique in Finnish conditions and have plenty of both pencil and mountain pedestals.
Lohja is probably also home to Finland's most famous cave, the Torhola limestone cave. It is the largest karst cave in Finland, which is formed when acidic water soaks limestone. The cave is 31 meters long and at its lowest at a depth of 9 meters. The beginning of the cave is easily accessible, but in the last chamber, the so-called Torhola basement, you have to crawl through narrow cavities.
Next to Karkalinniemi is the Karstu Castle Hill, which is thought to have been one of Finland's hundreds of ancient castles. From its top there are handsome views to the west to Lake Lohjanjärvi. There is also a matte rock painting on site.