Ontario Hydrographic Point Features for Navigation Safety

Ontario Hydro Network - Hydrographic Point data represents natural and manmade point features that can impede or be hazardous to waterflow and navigation. The dataset includes features such as waterfalls, rapids, rocks, Sea Lamprey barriers, and shipwrecks. It is produced by the Government of Ontario and was last updated in March 2026.

Use Cases

• Identify navigation hazards like shipwrecks and rocks for marine safety planning.
• Map Sea Lamprey barriers and other manmade features for invasive species control analysis.
• Analyze the distribution of natural point features such as waterfalls and rapids for hydrological studies.

Strengths

• Data is maintained by the authoritative Government of Ontario.
• Covers a defined set of hydrographic point feature classes.

Limitations

• Specific row counts, geographic extent, and temporal coverage are not provided.
• Requires proprietary GIS software for use, limiting accessibility.

Provenance

Source

Government of Ontario

Collection Method

null

Time Range

null

Freshness

Last updated March 2026.

Geography

Ontario, Canada