Oka' Yanahli Preserve
401 Hickory St
Mill Creek, OK
74856
Oka' Yanahli Preserve
During special events, head to the Oka' Yanahli Preserve in Mill Creek to witness two miles of the Blue River. See this free-flowing Oklahoma river and 3,600 acres of native prairie, and learn more about the species that rely on its waters for survival. Hear more about the orangebelly darter, orangethroat darter, least darter, ringed crayfish, rabbitsfoot mussel, chatterbox orchid, bald eagle, prothotary warbler, migrating birds and rare seaside alder with a trip to the Oka' Yanahli Preserve.