Downloading maps for allows you to plan routes, view detailed topography, and manage waypoints on your computer without needing a live internet connection or your GPS device plugged in at all times. By default, BaseCamp only includes a basic "Global Basemap," so adding detailed maps is essential for effective trip planning. 1. Free Map Sources (OpenStreetMap)
The most popular way to get detailed, routable maps for free is through contributors. These maps are often more up-to-date than official versions.