Download PDF Mount Si (WA) 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 Mount Si topo map.
Mount Si topo maps are provided as PDF files.
Note: The most current map is the 2020 Mount Si topographic map.
PCT (Section 181) - Pacific Crest Trail |
PCT (Section 180) - Pacific Crest Trail |
PCT (Section 182) - Pacific Crest Trail |