1:250,000 NTDB Waterbodies - Lakes, Double Line rivers

1:50,000 NTDB Watercourses - rivers Based on Edition 2.x.

Hydro Features is composed of the network of Canadian surface waters. Hydro Features entities are: Watercourse, Water Linear Flow, Hydro Obstacle (falls, rapids...), Waterbody (lake, watercourse...), Permanent Snow and Ice, Water Well, and Spring...

The Drainage Areas dataset is largely based on the Water Survey of Canada (WSC) drainage area boundaries at the sub-sub-basin level. The data model supports the derivation, from the Fundamental Drainage Areas dataset (sub-sub-basin level), of the...