US Army Corps of Engineers
Near Bismarck, Arkansas: $22–$32/night, rigs to 50 ft. Open March through November. Book 6 months ahead via Recreation.gov.
US Army Corps of Engineers
Managing authority
Near Bismarck, Arkansas
How much does camping at Iron Mountain (DeGray Lake · USACE) cost, and when is it open?
Iron Mountain (DeGray Lake · USACE) near Bismarck, Arkansas (US Army Corps of Engineers) — camping fee $22–$32/night, season March through November, RV size limit Up to 50 ft. Reservations: 6 months ahead via Recreation.gov — book direct through the official channel.
The numbers
Fee range
$22–$32/night
Season open
March through November
RV size limit
Up to 50 ft
Reservation window
6 months ahead via Recreation.gov
The insider read
DeGray Lake is the only Arkansas lake with a striped-bass population — pre-dawn 5am is the bite window at the rocky points off the campground swim beach. USACE Senior/Access Pass holders pay half-fee — apply at check-in not at booking.
Original analysis from PickRV — synthesised from public sources you can verify, pulling the operational details competitor guides typically skip.
Verify at swl.usace.army.milOn site
Book it right
PickRV doesn't handle campground bookings — reserve direct through the official channel so policies and cancellations flow through one record.
Opens recreation.gov
Every fact above is sourced from the managing agency's canonical page. Cross-check fee, season, and size limit before you depend on them.
Match the campground's size limit and hookup level to a vehicle category, then plan the rest of the trip.
Keep exploring
Near Mena
StateInsider tip · Top of Rich Mountain — second-highest point in Arkansas. The lodge restaurant view at sunset is the reason to come. The campground sits 10°F cooler than the Mena valley below in July; bring a jacket for night.
Near Murfreesboro
StateInsider tip · Only public diamond mine in the world where you keep what you find. Rangers plow the search field after every rain — the 24-hour post-rain window is the gold (diamond) standard. Camp loop is a short walk to the field gate.
Near St. Joe
NPSInsider tip · America's first National River. The middle district (Tyler Bend) is the float-trip launch point for the 26-mile Pruitt-to-Tyler section — pair the camp reservation with the Buffalo Outdoor Center shuttle 4 weeks ahead.
Near Hot Springs
NPSInsider tip · Only full-hookup NPS campground in Arkansas — and only one of a few nationally. 3 miles from the Bathhouse Row historic district; you can soak in the same thermal water Native Americans used 500 years ago. Loop 200 has the largest rigs accommodated.
Nearby & related
Sourced costs, campground directories, and the places worth a detour — the next layer of Arkansas trip planning.
Before you go
Arkansas rules
Verified 2026-05-10