Dead Horse Spring

Thimbleberry Mountain, OR

Detailed map of terrain, trails and roads

USGS topo, 2023

Thimbleberry Mountain

Forest Service topo with road numbers

Forest Service FSTopo 7.5-minute quad

Map 12 Motor Vehicle Use Map (MVUM)

Forest roads and trails open to vehicles

Umatilla National Forest (2026)

Pendleton 30x60 Land Ownership (BLM Surface Management)

Land Ownership Maps from BLM Data · Oregon

Umatilla National Forest

East — Forest Service forest map

Wallowa-Whitman National Forest Snowmobile Map (2023)

Forest Service Maps · Wallowa-Whitman National Forest

Wallowa-Whitman National Forest

Forest Service forest map

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