Lake Mainit

Lake Mainit is the fourth largest lake in the Philippines, having a surface area of 173.40 square kilometres (66.95 sq mi).^[2][3][4] The lake is also the deepest lake in the country with maximum depth reaching 223 metres (732 ft).^[2][5] It is located in the northeastern section of Mindanao and shared between the provinces of Surigao del Norte and Agusan del Norte.

Lake Mainit
Lake Mainit looking south from the northern shore
Lake Mainit Location within the Philippines
Location	Mindanao
Coordinates	9°25′57″N 125°31′22″E
Type	Oligotrophic Freshwater lake
Primary inflows	28 creeks and rivers
Primary outflows	Calinawan River
Catchment area	870.72 km2 (336.19 sq mi)
Basin countries	Philippines
Max. length	29.1 km (18.1 mi)
Surface area	173.4 km2 (67.0 sq mi)
Average depth	128 m (420 ft)
Max. depth	223 m (732 ft)
Water volume	22.2 km3 (5.3 cu mi)
Shore length1	62.1 km (38.6 mi)
Surface elevation	42 m (138 ft)
Settlements	Alegria Jabonga Kitcharao Mainit
References	[1][2]
1 Shore length is not a well-defined measure.

Etymology

The name of the lake is a Visayan word mainit, which means "hot".^{[6][better source needed]}

Flora and fauna

Plants

• Fire orchid (Vanda hookeriana)
• Narra tree (Pterocarpus indicus)
• Molave tree (Vitex parviflora)
• Philippine rosewood or "toog"
• Kamagong
• Mancono
• Malabayabas (Eucalyptus spp.)
• Indian lotus (Nelumbo nucifera)

Animals

• Animals

1. Mindanao scops owl
2. Mindanao savanna nightjar
3. Mindanao Himalayan swiftlet
4. Mindanao forest kingfisher
5. White-breasted sea eagle (Haliaeetus leucogaster)
6. Monkeys
7. Wild pigs

• Fish

1. "Casili" (Anguilla spp.)
2. Mudfish, "hayuan" or "halwan" (Channa striata)
3. Gurami (Gourami belontiidae)
4. "Bolinao" (Neostethus thessa)
5. Common carp (Cyprinus carpio)
6. "Tilapia" (Oreochromis niloticus)

List

Municipalities bordering the lake

• Mainit, Surigao del Norte
• Alegria, Surigao del Norte
• Jabonga, Agusan del Norte
• Kitcharao, Agusan del Norte

Municipalities within Lake Mainit's watershed

• Alegria,^[7] Surigao del Norte,
• Sison, Surigao del Norte
• Tubod, Surigao del Norte
• Mainit, Surigao del Norte
• Kitcharao, Agusan del Norte
• Jabonga, Agusan del Norte
• Santiago, Agusan del Norte
• Tubay, Agusan del Norte