South Prairie
Flat in Umatilla County, Oregon · on the USGS Granite Meadows quadrangle
45.31374, -118.81804
Maps that show South Prairie
Get them in the map app
Granite Meadows, OR
Detailed map of terrain, trails and roads
USGS topo, 2024
Granite Meadows
Forest Service topo with road numbers
Forest Service FSTopo 7.5-minute quad
Map 6 Motor Vehicle Use Map (MVUM)
Forest roads and trails open to vehicles
Umatilla National Forest (2026)
La Grande 30x60 Land Ownership (BLM Surface Management)
Land Ownership Maps from BLM Data · Oregon
Umatilla National Forest
West — Forest Service forest map
Treaty Map - Whitman Mission National Historic Site
National Park Service Maps · Whitman Mission National Historic Site
Seattle VFR Sectional Chart (FAA, edition 2026-10-29)
FAA IFR Enroute Charts
IFR Enroute Low Altitude Chart L-01 (U.S.)
FAA, 2026-10-29
IFR Enroute Low Altitude Chart L-11 (U.S.)
FAA, 2026-10-29
IFR Enroute Low Altitude Chart L-13 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-03 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-01 (U.S.)
FAA, 2026-10-29
IFR Enroute Low Altitude Chart L-01 (Alaska)
FAA, 2026-10-29
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).