Bighorn Tack-On WSA

Acreage	211 acres (0.85 km²) — Wyoming portion only; 2,583 additional acres in Montana
Size Rank	46th largest WSA in Wyoming

I have not been to this WSA yet. For information check out:

BLM — Bighorn Tack-On WSA — official BLM page; this is a narrow strip bordering Bighorn Canyon National Recreation Area, spanning the MT/WY line
Bighorn Canyon National Recreation Area (NPS) — the adjacent NRA has visitor infrastructure and maps