| Hallangen | |
| Pushpin Map: | Norway Akershus |
| Location: | Aurskog-Høland, Akershus |
| Coords: | 59.7758°N 11.7258°W |
| Type: | natural freshwater lake |
| Basin Countries: | Norway |
| Length: | 3.46km (02.15miles) |
| Width: | 0.77km (00.48miles) |
| Elevation: | 191m (627feet) |
| Islands: | 1 |
Hallangen is a lake on rv 21 in Setskog, Aurskog-Høland, a municipality of Akershus. Hallangen lies at a height of 191 m above sea level. The lake is a remnant of the timber floating between Langebruslora and down to Gåsefjorden. From 2004, many new cabins have been built around Hallangen and eastwards. Flyktningeruta, which was a flight route during World War II passes through Hallangen. Flyktningeruta was marked in 1995.