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Scuba

(53,475 posts) Tue Oct 27, 2015, 09:08 PM Oct 2015

Topographic Maps with satellite overlays - free, online

http:/www.caltopo.com provides free topographic maps

It was first developed as a backcountry mapping tool to aid in search and rescue in California. Features include:

- Slope Angle Shading

- Historic map topos (to see where old roads and trails were located, and what has changed in an area)

- You can draw your own maps and save them to the web. You can view your map with different map source layers

- You can import your own GPX files and view them with any of the map sources as a background

- You can export maps to Google Earth

Here's an explanatory video ...