Larvik the river Numedalslågen, locally called "Lågen", which terminates in Larvik, east of the town. Other bodies of water include the lakes Farris, Goksjø and Hallevatnet. Larvik is also noted for its natural springs of mineral water, "Farriskildene", which have been commercially exploited under the brand name "Farris". At Kaupang in Tjølling lies the remains of the medieval Skiringssal trading outpost. Larvik is also home to the world's northernmost natural occurrence of "Fagus sylvatica" forests (European Beech tree), known as "Bøkeskogen" ("The Birch Tree Forest"). Larvik Municipality is home to one city and 7 villages: Himberg is an exclave which is
Cepaea sylvatica Cepaea sylvatica " Cepaea sylvatica" is a medium-sized species of air-breathing dextral land snail, a terrestrial pulmonate gastropod mollusc in the family Helicidae. It is a close relative of the grove snail ("Cepaea nemoralis"). This species lives in many of the same habitats as "Cepaea nemoralis", such as woods, dunes and grassland, however "C. sylvatica" tolerates wetter and colder areas than the grove snail can tolerate. "Cepaea sylvatica" is generally similar in appearance to "C. nemoralis", although the shell is not as colorful and not as variable as that of the grove snail. Also, the diameter of the shell of