| Lake Tega | |
| Inflow: | Ōhori River, Ōtsu River |
| Outflow: | Tone River |
| Basin Countries: | Japan |
| Area: | 6.5km2[1] |
| Max-Depth: | 3.8m (12.5feet) |
| Elevation: | 0m (00feet) |
| Pushpin Map: | Japan |
| Pushpin Map Alt: | Location of Lake Tega in Japan. |
is a lake located in the Chiba Prefecture of Japan, northeast of Tokyo.
Lake Tega is located entirely in the northwest of Chiba Prefecture, on the main island of Japan: Honshū. As the crow flies, it is about north of Tokyo Bay, and 32km (20miles) north East of Tokyo Metropolitan Area.
Lake Tega has a total area of 6.5km2 for a perimeter of 38km (24miles).[2] Its average depth is 0.86m (02.82feet) and its maximum depth of 3.8m (12.5feet). It has the distinction of being composed of two bodies of water: Lake (main) Tega and Lake Shimotega, a watercourse of the watershed of the Tone River.