Canadian Hydrographic Obstacles Line Features

250,000 geospatial features represent hydrographic obstacles like waterfalls and rapids across Canada. This vector dataset originates from Natural Resources Canada's CanVec product, compiled from multiple authoritative topographic sources including the NTDB and satellite imagery.

Use Cases

• Train a geospatial model to classify hydrographic obstacle types from line features.
• Analyze the spatial distribution of obstacles like falls and rapids for hydrological network modeling.
• Integrate hydro obstacle line features with other CanVec layers for comprehensive terrain analysis.

Strengths

• Contains 250,000 distinct hydrographic features.
• Compiled from multiple authoritative sources including the National Topographic Data Base and satellite imagery.
• Complies with international geomatics standards for vector data.

Limitations

• Specific column names and data schema are unknown, complicating direct analysis.
• Sample data is unavailable, preventing preview of attribute structure.
• Data size is unspecified, which may impact download and processing planning.

Provenance

Source

Natural Resources Canada (NRCan) CanVec product.

Collection Method

Multi-source compilation from NTDB, Mapping the North process, Atlas of Canada, GeoBase, and satellite imagery updates.

Time Range

null

Freshness

Last updated March 2026.

Geography

Canadian territory.