Ontario Topographic Maps with Imagery Overlay

Make a Topographic Map provides high-resolution imagery and topographic data for Ontario, featuring roads, trails, lakes, rivers, wooded areas, wetlands, and administrative boundaries. The application is maintained by Ontario's Ministry of Natural Resources and Forestry, with cached data updated annually. Users can toggle between map backgrounds and imagery, customize maps with text, and print results without specialized software.

Use Cases

• Analyze land cover changes by comparing wooded areas and wetlands against high-resolution imagery.
• Plan recreational trail routes by overlaying trail data on topographic map backgrounds.
• Assess municipal infrastructure proximity using roads and administrative boundaries layers.
• Create custom printed maps for fieldwork by adding user text to lake and river features.

Strengths

• Features the best available topographic data and high-resolution imagery for Ontario.
• Cached data enables fast, seamless display at pre-defined scales.
• Data caches and imagery are updated on an annual schedule.

Limitations

• Data coverage is restricted exclusively to the province of Ontario.
• Specific spatial resolution, row counts, and file sizes for underlying data are unknown.
• Application functionality is delivered via HTML, limiting direct data extraction for analysis.

Provenance

Source

Government of Ontario, Ministry of Natural Resources and Forestry.

Collection Method

Cached imagery and topographic data served via a web mapping application.

Time Range

null

Freshness

Updated annually.

Geography

Ontario, Canada.