goodgrouper
WKR
likely the cheapest option to get your boys on some fish will be in Yellowstone, I love the Madison campground, nearby the swiming area on the firehole river is a blast for kids.if you want to buy MT fishing licenses Rock Creeck near Clinton just outside of Missoula is a spectacular place to fish. there is a nice campground near the freeway. I see moose and Bighorns every time I go there. the national bison range in st.ignatius is definitely worth seeing. there is a great shuttle system in glacier park, plan on parking the rv and taking the shuttles, or the classic red tour busses. A hike on wildhorse island is amazing as well. world record Bighorns and giant muleys and the scenery of Flathead lake. the Jewel Basin hiking area has scenery like GNP without the crowds.