Eagle Island is an undeveloped, natural island access point on the Missouri River located 12. 5 miles south of Cascade, accessible by boat upstream from Mid Canon FAS. This day-use-only site offers 22.

4 acres for fishing, hunting, and wildlife viewing, though it features no facilities or signage and has the most difficult ADA accessibility. Access is by boat only, making it suitable for paddlers and anglers with river experience.