The map below is 'live'
The red line is a GPS track
Click-hold-drag the map
Click the camera icons
Try a right-click
Play with the two menus

Free Online topographic maps USA & Canada

Highest quality topo maps with no ads and no watermarks! Choose t4 Topo High or t5 Canada. Also displays aerials.
NEW Woldwide Topos: t7 ESRI and t8 OSM Cycle
Runs in the browser on your iPhone, iPad, Android, notebook, desktop, etc. Modest fee for commercial users. Click for information.

Read testimonials Info for app developers

Permanent map link showing your GPS track

Share your map in trip reports, emails, websites and blogs
Make map links with just a latitude longitude

Trip planning

NEW Make a map and save your data right in a Gmap4 link
Make waypoints, routes and tracks. Edit any field. Save GPX files.

View KML, KMZ, GPX and TPO files
Google MyPlace files & delimited text files

Files can be read from almost anywhere online

Topographic maps with iOS 6 -- See your location
Search -- Directions -- UTM support
'Fly' over your GPS track in 3D
Quick Start guide (in the Help file)

Display property line maps -- Find survey stakes

For more information please see: www.PropertyLineMaps.com