Singkarak Lake Singkarak and the Ombilin river circa 1900 Location West Sumatra, Indonesia Coordinates 0°37′12″S 100°32′24″E﻿ / ﻿0.62000°S 100.54000°E﻿ / -0.62000; 100.54000Coordinates: 0°37′12″S 100°32′24″E﻿ / ﻿0.62000°S 100.54000°E﻿ / -0.62000; 100.54000 Type Tectonic Primary inflows Sumani River Primary outflows Ombilin River, Anai River Basin countries Indonesia Surface area 107.8 km2 (41.6 sq mi) Average depth 149 m (489 ft)[1] Max. depth 268 m (879 ft) Water volume 16.1 km3 (13,100,000 acre⋅ft) Surface elevation 362 m (1,188 ft)