Download PDF North San Ysidro (NM) USGS topo maps. These are full-sheet 7.5 Minute (1:24,000 scale) topographic maps. The red outline on the map below identifies the boundaries of the North San Ysidro topo map.
North San Ysidro topo maps are provided as PDF files.
Note: The most current map is the 2020 North San Ysidro topographic map.