Trehörningen (Sjödalen)
| Trehörningen | |
|---|---|
| Location | Huddinge, Southern Stockholm County |
| Coordinates | 59°13′54″N 18°1′18″E / 59.23167°N 18.02167°E |
| Primary inflows | Gömmaren via the brooks Solfagradiket and Fullerstaån |
| Primary outflows | Ågestasjön |
| Catchment area | 17.9 km2 (6.9 sq mi) |
| Basin countries | Sweden |
| Surface area | 62.6 ha (155 acres) (excluding islands) 64.0 ha (158 acres) (including islands) |
| Average depth | 1.7 m (5 ft 7 in) |
| Max. depth | 3.6 m (12 ft) |
| Water volume | 1,090,000 m3 (880 acre⋅ft) |
| Residence time | 0.27 years |
| Shore length1 | 7,770 m (25,490 ft) (including islands) 7,040 m (23,100 ft) (excluding islands) |
| Surface elevation | 21.5 m (71 ft) |
| Islands | 3 (area: 1.4 ha or 3.5 acres) |
| Settlements | Huddinge |
| References | |
| 1 Shore length is not a well-defined measure. | |
Trehörningen (Swedish: "The Triangle") is a small lake located in the municipality Huddinge in southern Stockholm, Sweden. As part of the Tyresån Lake System, Trehörningen receives water from Lake Gömmaren and supplies water to Lake Ågesta.