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| Heddalsvatnet | |
|---|---|
 View of the lake towards Notodden | |
  Heddalsvatnet Location of the lake  Heddalsvatnet Heddalsvatnet (Norway) | |
| Location | Notodden and Midt-Telemark, Telemark |
| Coordinates | 59°29′40″N 9°18′22″E / 59.49431°N 9.30623°E |
| Type | glacier lake |
| Primary inflows | Heddøla, Hjukseelva, Klevaråa, Tinnelva and Tveitåa |
| Primary outflows | Saua |
| Catchment area | 5,372.82 km2 (2,074.46 sq mi) |
| Basin countries | Norway |
| Max. length | 16 km (9.9 mi) |
| Max. width | 1.7 km (1.1 mi) |
| Surface area | 13.2 km2 (5.1 sq mi) |
| Average depth | 37 m (121 ft) |
| Max. depth | 54 m (177 ft) |
| Water volume | 0.44 km3 (0.11 cu mi) |
| Surface elevation | 16 m (52 ft) |
| Settlements | Notodden |
| References | NVE[1] |
Heddalsvatnet (English: Lake Heddal)[2][3][4] is a lake in Notodden Municipality and Midt-Telemark Municipality in Telemark county, Norway. The 13.2-square-kilometre (5.1 sq mi) lake is located just south of the town of Notodden. The village of Heddal and the Heddalen valley are located to the northwest of the lake.
- ^ "Innsjødatabase". nve.no (in Norwegian). Retrieved 27 August 2023.
- ^ Barman, T. G. (1939). Guide to Norway, Sweden, Denmark, Finland, Iceland. London: Cook. p. 204.
- ^ Philpott, Don (1991). The Visitor's Guide to Norway. Ashbourne, UK: Landmark. p. 97.
- ^ "Campus Notodden". usn.no. University of South-Eastern Norway. Retrieved 28 September 2018.