Iowa.
Here, 3 of the federal campgrounds, one in eleven, still take walk-ups.
See Iowa on the mapFirst-come Reservable · every dot is a campground in its place
32 campgrounds
Acorn ValleyReservablefrom $2455 walk-in sites1 hike-in site91 sitesrigs to 82 ft950 fthookupsdrinking watertoiletsshowers
Bob Shetler Recreation AreaReservablefrom $228 pull-through sites67 sitesrigs to 62 ft810 ft529 ft to Des Moines Riverhookupsdrinking watertoiletsshowers
Bridgeview (Rathbun Lake)Reservablefrom $157 pull-through sites103 sitesrigs to 159 ft970 ft499 ft to pondhookupsdrinking watertoiletsshowers
Cherry Glen CampgroundReservablefrom $24125 sitesrigs to 53 ft930 fthookupsdrinking watertoiletsshowers
Howell StationReservablefrom $22143 sitesrigs to 80 ft700 ft119 ft to Des Moines Riverhookupsdrinking watertoiletsshowers
Island View (Rathbun Lake)Reservablefrom $2211 pull-through sites1 group site188 sitesrigs to 145 ft940 ft486 ft to pondhookupsdrinking watertoiletsshowers
Prairie Flower Recreation AreaReservablefrom $201 pull-through site10 group sites252 sitesrigs to 85 ft930 ft539 ft to pondhookupsdrinking watertoiletsshowers
Sugar Bottom CampgroundReservablefrom $2214 walk-in sites12 pull-through sites244 sitesrigs to 89 ft690 ft522 ft to lakehookupsdrinking watertoiletsshowers
WallashuckReservablefrom $2083 sitesrigs to 71 ft820 fthookupsdrinking watertoiletsshowers
West Overlook CampgroundReservablefrom $2289 sitesrigs to 73 ft770 fthookupsdrinking watertoiletsshowers
Whitebreast CampReservablefrom $202 group sites132 sitesrigs to 65 ft820 fthookupsdrinking watertoiletsshowers
Sandy Beach CampReservablefrom $228 walk-in sites58 sitesrigs to 66 ft730 ft523 ft to lakehookupsdrinking watertoiletsshowers
Prairie Ridge (Rathbun Lake)Reservablefrom $253 pull-through sites1 group site55 sitesrigs to 111 ft940 fthookupsdrinking water
Shady CreekReservablefrom $142 hike-in sites55 sitesrigs to 92 ft560 ft551 ft to streamhookupsdrinking watertoiletsshowers
North Overlook CampReservablefrom $1452 sitesrigs to 90 ft820 fthookupsdrinking watertoiletsshowers
Clarks FerryReservablefrom $2644 sitesrigs to 70 ft680 ft482 ft to pondhookups
Buck Creek (Rathbun Lake)Reservablefrom $2210 pull-through sites42 sitesrigs to 96 ft930 ft248 ft to streamhookupsdrinking watertoiletsshowers
Tailwater East CampgroundReservablefrom $2228 sitesrigs to 100 ft750 ft515 ft to lakehookupstoiletsshowers
Bulger's Hollow Recreation AreaReservablefrom $1424 sites610 ftdrinking watertoilets
Tailwater West CampgroundReservablefrom $282 walk-in sites2 pull-through sites22 sitesrigs to 69 ft680 ft396 ft to pondhookupsdrinking watertoiletsshowers
Site 11IvansReservablefrom $2021 sitesrigs to 60 ft710 ft58 ft to Des Moines Riverhookupsdrinking watertoiletsshowers
Linder Point CampgroundReservablefrom $2618 sitesrigs to 85 ft810 fthookupsdrinking watertoiletsshowers
Cottonwood Campground (IA)Reservablefrom $1411 walk-in sites15 sites730 ftdrinking watertoiletsshowers
Cherry Glen PicnicReservableSites from $506 group sites930 fthookupstoiletsSource: campground records from RIDB, NPS, USFS EDW and BLM, unified by CAMPANAC, refreshed nightly