Mount Pompangeo
| Mount Pompangeo | |
|---|---|
| Pegunungan Pompangeo / Puncak Tenamatua | |
| Highest point | |
| Elevation | 2,590 m (8,500 ft) [1] |
| Prominence | 1,883 m (6,178 ft) [1] |
| Coordinates | 1°41′01″S 120°59′55″E / 1.6836°S 120.9986°ECoordinates: 1°41′01″S 120°59′55″E / 1.6836°S 120.9986°E Fatal error: The format of the coordinate could not be determined. Parsing failed. [1] |
| Geography | |
| Location | Poso, North Morowali, and Tojo Una-Una regencies, Central Sulawesi, Indonesia |
| Parent range | Pompangeo Mountains |
| Geology | |
| Mountain type | Metamorphic (schist, marble, phyllite) |
Mount Pompangeo (Script error: The function "langx" does not exist.), also known as the Pompangeo Mountains or Pegunungan Pompangeo, is a mountain range and massif located in Central Sulawesi, Indonesia.[1][2] The highest peak, Puncak Tenamatua, rises to an elevation of 2,590 metres (8,497 ft) above sea level and has a prominence of 1,883 metres (6,178 ft), making it one of the most prominent peaks in Sulawesi.[1][3] The mountain is located on the border of Poso, North Morowali, and Tojo Una-Una regencies.[1]
The Pompangeo massif is underlain by the Pompangeo Schist Complex, a significant geological formation that crops out over approximately 5,000 km² in central Sulawesi.[4] The mountain is known for its rich biodiversity, including several newly discovered species of beetles and other insects.[5]
Geography
Mount Pompangeo is situated in the eastern part of Central Sulawesi, on the border of Poso, North Morowali, and Tojo Una-Una regencies.[1] The mountain is located east of Lake Poso and west of the Gulf of Tomini.[1] The massif is approximately 90 minutes by road from the town of Poso.[1]
The highest point is Puncak Tenamatua, also referred to as Puncak Tanamatua, with an elevation of 2,590 m (8,497 ft).[1] A lower peak, sometimes listed separately, reaches 2,575 m (8,448 ft).[3] Other peaks in the range include Buyu Podanda, Buyu Petirowuko, and Buyu Kaoga.[1]
Geology
Mount Pompangeo is part of the Pompangeo Schist Complex, the most extensive metamorphic complex in Sulawesi, cropping out over approximately 5,000 km² in the central part of the island.[4][6] The complex is predominantly composed of interbanded phyllitic marble, quartz-mica schist, and other metamorphic rocks.[4] It is suspected to be a metamorphic core complex exhumed by tens of kilometers of displacement on a detachment fault.[2]
The Pompangeo Mountains are an active or recently active metamorphic core complex, with their upper surfaces being gently dipping detachment faults.[7] This uplift led to the development of a land bridge connecting western and eastern Sulawesi.[8]
The Pompangeo Schist Complex is considered to be subduction-related, formed from variably dismembered and metamorphosed accretionary complexes.[4] The distribution area of the Pompangeo Schist Complex is quite wide, especially in the central region of Sulawesi.[9]
Ecology
Mount Pompangeo is known for its rich biodiversity, particularly its insect fauna.[5][10] Fieldwork conducted on the mountain in 2018 and 2020 led to the discovery of 28 new species of snout beetles (Trigonopterus).[5][10] One of these, Trigonopterus corona, was named after the coronavirus.[10] Another new species, the diving beetle Rhantus procul sp. nov., was described from around 2,000 m elevation on Mount Pompangeo.[11]
The forests of Mount Pompangeo are part of the larger Central Sulawesi ecosystem, supporting a variety of flora and fauna typical of the region's tropical rainforests.[1]
Recreation
Mount Pompangeo is a destination for trekkers and hikers. The climb is considered relatively straightforward, with a road reaching to within approximately 4 km (straight line) of the summit.[1] The road up into the mountains from the coast is full of pot holes, so walking in or using a motorbike is recommended.[1]
The closest airport is in Poso, which has daily flights to and from Makassar.[1] Accommodation is available in Poso, but most visitors prefer to stay in Tentena, a town on the northern shore of Lake Poso.[1]
Visitors are advised to check the security situation in the region before travelling, as the area has experienced civil unrest in the past.[1]
See also
- List of mountains in Indonesia
- Central Sulawesi
- Lake Poso
References
- ↑ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 1.11 1.12 1.13 1.14 1.15 1.16 "Gunung Pompangeo". Gunung Bagging. Retrieved 2026-08-09.
- ↑ 2.0 2.1 "GSA Today Cover Image". Geological Society of America. Retrieved 2026-08-09.
- ↑ 3.0 3.1 "Mountains in Central Sulawesi province, Indonesia". Gunung Bagging. Retrieved 2026-08-09.
- ↑ 4.0 4.1 4.2 4.3 "An outline of the petrology, structure and age of the Pompangeo Schist Complex of central Sulawesi, Indonesia". Island Arc. 7 (1/2): 201–217. 1998. doi:10.1111/j.1440-1738.1998.00201.x.
- ↑ 5.0 5.1 5.2 "28 new species of snout beetle found in Indonesia's Sulawesi island". Indonesia Window. 2021-11-05. Retrieved 2026-08-09.
- ↑ "An outline of the petrology, structure and age of the Pompangeo Schist Complex". Semantic Scholar. Retrieved 2026-08-09.
- ↑ "Plio-Pleistocene sedimentation and palaeogeographic reconstruction in the Poso Depression, Central Sulawesi, Indonesia". ScienceDirect. 2023. Retrieved 2026-08-09.
- ↑ "Journal of Palaeogeography". SciEngine. Retrieved 2026-08-09.
- ↑ "Daerah sebaran Pompangeo Schist Complex". Repository Unsoed (in Bahasa Indonesia). Retrieved 2026-08-09.
- ↑ 10.0 10.1 10.2 "Beetle named after coronavirus among 88 new species found". The Jakarta Post. 2022-02-13. Retrieved 2026-08-09.
- ↑ "Rhantus procul sp. nov., a new diving beetle from Central Sulawesi". DOAJ. 2026. Retrieved 2026-08-09.
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