The Torricelli Mountains are a

mountain range A mountain range or hill range is a series of mountains or hills arranged in a line and connected by high ground. A mountain system or mountain belt is a group of mountain ranges with similarity in form, structure, and alignment that have aris ...

Sandaun Province Sandaun Province (formerly West Sepik Province) is the northwesternmost mainland Provinces of Papua New Guinea, province of Papua New Guinea (also known as home of the sunset). It covers an area of 35,920 km2 (13868 m2) and has a population ...

, north-western

Papua New Guinea Papua New Guinea, officially the Independent State of Papua New Guinea, is an island country in Oceania that comprises the eastern half of the island of New Guinea and offshore islands in Melanesia, a region of the southwestern Pacific Ocean n ...

. The highest peak in the range is Mount Sulen at 1650 meters. The Bewani Mountains are located to the west, and the Prince Alexander Mountains are located to the east. To the north, the mountains slope down to the

Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five Borders of the oceans, oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean, or, depending on the definition, to Antarctica in the south, and is ...

, and to the south lies the basin of the

Sepik River The Sepik () is the longest river on the island of New Guinea, and the third largest in Oceania by discharge volume after the Fly River, Fly and Mamberamo River, Mamberamo. The majority of the river flows through the Papua New Guinea (PNG) provi ...

. The mountains are named after the Italian physicist and mathematician

Evangelista Torricelli Evangelista Torricelli ( ; ; 15 October 160825 October 1647) was an Italian people, Italian physicist and mathematician, and a student of Benedetto Castelli. He is best known for his invention of the barometer, but is also known for his advances i ...

during the German colonial period. Dozens of

Torricelli languages The Torricelli languages are a family of about fifty languages of the northern Papua New Guinea coast, spoken by about 80,000 people. They are named after the Torricelli Mountains. The most populous and best known Torricelli language is Arapesh ...

are spoken within this mountain range.

Ecology

The portion of the range above 1000 meters elevation is home to the Northern New Guinea mountain rain forests

ecoregion An ecoregion (ecological region) is an ecological and geographic area that exists on multiple different levels, defined by type, quality, and quantity of environmental resources. Ecoregions cover relatively large areas of land or water, and c ...

, which also extends across portions of the neighboring ranges. The slopes below 1000 meters are part of the Northern New Guinea lowland rain and freshwater swamp forests. Two of the most endangered

mammals A mammal () is a vertebrate animal of the class Mammalia (). Mammals are characterised by the presence of milk-producing mammary glands for feeding their young, a broad neocortex region of the brain, fur or hair, and three middle e ...

in the world, Scott's tree-kangaroo (''Dendrolagus scottae'') and golden-mantled tree-kangaroo (''Dendrolagus pulcherrimus''), live in the mountains'

rainforest Rainforests are forests characterized by a closed and continuous tree Canopy (biology), canopy, moisture-dependent vegetation, the presence of epiphytes and lianas and the absence of wildfire. Rainforests can be generally classified as tropi ...

. Discovered in 1981, the critically endangered northern glider (''Petaurus abidi'') occurs exclusively in an area of less than 100 km² in the Torricelli Mountains.

References

External links

* * Mountain ranges of Papua New Guinea {{PapuaNewGuinea-geo-stub