| Hakkloa | |
| Location: | Nordmarka, Oslo |
| Coords: | 60.1°N 51°W |
| Pushpin Map: | Norway |
| Outflow: | Hakkloelva |
| Basin Countries: | Norway |
| Area: | 2.1km2 (including Hakklokalven) |
| Elevation: | 372m (1,220feet) |
Hakkloa is a regulated lake in Nordmarka in Oslo, Norway.[1] [2] Hakkloa drains through the river Hakkloelva to the lake Bjørnsjøen, and further to Skjærsjøen and Maridalsvannet.