WY Elk Unit 90 — Upper Greys River

WY 90 – Upper Greys River. Tactical Analysis Terrain & Access Upper Greys River spans 141,708 acres of entirely public land across steep, high-elevation terrain (6,551–11,341 ft). The unit's vast elevation range creates distinct habitat zones—from lower river drainages with mixed conifer and aspen to high alpine and ridge country. This topographic diversity concentrates elk use across multiple elevation bands, allowing hunters to adapt tactics to migration patterns and seasonal weather. Access to upper basins requires foot travel; lower drainages may offer trail or creek-bottom approach routes. The 100% public ownership removes permission hassles and opens the full..