The USGS publishes free topographic maps that show trails, rivers, and campsites in great detail for hikers, cyclists, and ...

Thank you to GEB reader ‘DJ’ for suggesting this idea in the comments of our post on simulating lakes. It turns out that the algorithm for drawing contours given a regular array of altitude data is ...

If you've ever wondered what the elevation of your location is, you can find out with Google Maps on both desktop and mobile.

Thank you to GEB reader ‘DJ’ for suggesting this idea in the comments of our post on simulating lakes. It turns out that the algorithm for drawing contours given a regular array of altitude data is ...

Mitchell Shire Council has completed a project to provide updated land elevation (contour) data for towns across the municipality.The project, funded ...