Classified for credit

Idaho state park on a large reservoir offering geology, hydrology, and riparian ecology study alongside water-based recreation.

Arkansas state park on Lake Catherine with trails and naturalist programming — supports freshwater ecology, Ouachita region geology, and outdoor life skills.

Arkansas state park with a lake, wetlands, and forest trails — supports freshwater ecology, wildlife observation, and outdoor PE.

State park on glacially carved Lake Chelan — covers Pacific Northwest geology, freshwater ecology, and outdoor recreation.

Arkansas state park on the state's largest natural lake — covers freshwater ecology, oxbow lake formation, and outdoor recreation.

North Louisiana state park on Lake Claiborne — covers Southern pine forest ecology, freshwater biology, and outdoor recreation science.

Playa lake and riparian area in Willcox known for sandhill crane migration — supports avian biology, wetland ecology, and migratory patterns.

South Dakota state recreation area on Lake Cochrane — freshwater lake ecology, prairie geography, and outdoor field study.

Kentucky state resort park on a large reservoir — supports ecology, freshwater biology, geography, and outdoor recreation curricula.

Louisiana state park centered on a large oxbow lake — freshwater ecology, cypress-tupelo wetland biology, and Gulf South natural geography.

Arkansas River Valley state park with lake, wetlands, and trails — supports aquatic ecology, geography, and physical education curriculum.

Iowa state park centered on a lake with trails, fishing, and wildlife habitat — supports freshwater ecology, Iowa geology, and outdoor recreation.

Urban state park in Billings offering reservoir ecology, bird observation, and outdoor recreation with access to Montana's high-plains geography.

Urban arboretum along Lake Erie featuring labeled tree collections and wetland areas — supports dendrology, native plant study, and urban ecology.

Island wildlife center on Lake Erie's South Bass Island covering migratory birds and freshwater ecology — supports ornithology, conservation biology, and Great Lakes geography.

New York state park on Lake Erie's shoreline — Great Lakes geography, shoreline ecology, and outdoor recreation with developed park facilities.

Oklahoma state park on Lake Eufaula offering freshwater ecology, riparian habitat study, and outdoor recreation in a large reservoir setting.

Louisiana state park in the Atchafalaya Basin with cypress swamps and diverse wetland wildlife — supports bayou ecology, hydrology, and biology.

Arkansas state park with lake, trails, and ranger programs covering Ozark ecology, watershed biology, and outdoor recreation skills.

Remote northern NH state park on the Connecticut Lakes — ecology, boreal forest biology, and freshwater habitat study.

Arkansas state park on Lake Frierson with fishing, hiking, and birding access — freshwater ecology, local wildlife habitat, and outdoor recreation.

Maine state park headquarters at Lake George — covers freshwater lake ecology, Maine wildlife, and outdoor recreation education.

Lakeside state park with trails and freshwater habitat providing hands-on study of Piedmont ecology and aquatic biology.

Florida state park on Lake Griffin with boating and wildlife habitat — freshwater ecology, bird and alligator biology, and wetland conservation.