Landscape of Ruteng dominated by steep ravines, most of the mountain sides are still covered by good forest (Gibbs 1990). Generally it is covered by mountain forest and moss forest at the higher altiteude (Jepson & Bowe 1997).Ranamese Lake include into this area, located at altitude 1200 m, and the interested recreation object (Pilgrim et.al.2000). Gunung Ranaka (2140 m) with the peak of Poco Ranaka is the second highest peak in Ruteng mountains. Mountain Forest in lower slopes of Poco Ranaka already changed to be grassland and shrubs. There is some of Casuarina sp at altitude between 1600-1800 m, and above of 2000 m covered by forest with short trees (Butchart et.al.1996).
This area is one of two area where the Flores Scopsowl recorded and it is believed that the species is still there (Trainor & Lesmana 2000).
Pressure/threats to key biodiversity
Illegal logging, land conflict, land clearing for agriculture, road and housing (Monk et.al.1997, Butchart et.al.1996, Trainor & Lesmana 2000).
Declared as a Recreation Park (32248.6 ha) based on SK No. 456/Kpts-II/1993 (Anon 1998).