Oregon Inlet area — site of NPS Oregon Inlet Campground on Cape Hatteras National Seashore
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NPS RV Length Limits on the Outer Banks: A Site-by-Site Guide to Oregon Inlet, Cape Point, Frisco & Ocracoke Campgrounds

If you’ve been Googling “RV length limit Cape Hatteras” hoping for a single number, here’s the honest answer up front: there isn’t one. The four National Park Service campgrounds on the Outer Banks — Oregon Inlet, Cape Point, Frisco, and Ocracoke — don’t publish a single park-wide length cap. Each individual campsite has its own driveway-length spec on Recreation.gov, and those range from 22 feet at the short end to 50 feet at the long end. The site length is the number that matters, not the campground.

I pulled the current per-site inventory for all four NPS campgrounds and broke it down by length bucket below, so you can see at a glance which campgrounds actually have inventory for a 35-foot fifth wheel or a 45-foot Class A. The data is from the live Recreation.gov campground records; the numbers will drift slightly as sites are added, retired, or re-measured, but the structure is stable year to year.

The short answer: longest sites at each NPS campground on the OBX

CampgroundTotal sitesLongest siteMost common big-rig lengthHookupsSeason
Oregon Inlet11647 ft34–40 ft47 sites with 50-amp + waterYear-round
Cape Point20050 ft46–48 ftNoneSpring–Fall
Frisco12449 ft39–42 ftNoneSpring–Fall
Ocracoke13148 ft30–37 ftNoneYear-round

Sources: Recreation.gov campground inventory and National Park Service Cape Hatteras National Seashore campgrounds page, accessed May 2026.

How many sites at each campground fit my rig?

Here’s the bucket-by-bucket breakdown. “Under 35 ft” includes tent-only loops; for an apples-to-apples big-rig comparison, look at the 35-foot and longer columns.

CampgroundUnder 35 ft35–39 ft40–44 ft45+ ft
Oregon Inlet (116 total)2461228
Cape Point (200 total)2061137
Frisco (124 total)1939579
Ocracoke (131 total)775031

A few things stand out when you look at the numbers honestly. Cape Point is by far the biggest-rig-friendly NPS campground on the Outer Banks — it has more 45+ foot sites (137) than the other three combined. Ocracoke is the most tent-and-mid-size oriented; if you’re rolling a 40+ foot diesel pusher onto the ferry, your odds of finding a true 40+ foot site there are slim — there are 4 of them. Oregon Inlet is the only NPS campground with hookups, but its 45+ foot pad inventory is just 8 sites.

Why the NPS doesn’t publish a single “length limit”

Cape Hatteras National Seashore was originally laid out as a tent-and-pop-up campground system in the mid-twentieth century. The sites were built into the natural dune contours, not graded into uniform rectangles like a private resort. When the seashore added paved parking pads later, they measured each individual driveway and recorded that length on the booking system. That’s why you’ll see a Frisco campground with sites at 22 feet, 25 feet, 28 feet, 31 feet, 32 feet, 33 feet, all the way up to 49 feet — the campground is a collection of individually measured pads rather than a single uniform spec.

Practically, this means two things. First: filter site-by-site on Recreation.gov before you book. The “Max Vehicle Length” filter is searchable and accurate. Second: the published driveway length is the maximum site length, not the comfortable length. Subtract 4–6 feet for slide-out clearance, tow-vehicle parking, and the realities of backing onto sand-edge pavement, and that’s your real working number.

Campground-by-campground breakdown

Oregon Inlet Campground

Total sites: 116. Layout: three loops (A, B, and C). Hookups: 47 sites with 50-amp electric and water — the only NPS hookups on the Outer Banks. Season: year-round. Fee: $28 dry, $35 with hookups.

Big-rig fit: Oregon Inlet runs the full range from 31 feet at the short end to 47 feet at the long end. The bulk of the inventory sits in the 34–40 foot band. Loop C is mixed RV/tent. All sites are back-in on paved pads. The 47 hookup sites are the most sought-after on Cape Hatteras National Seashore and they book out months ahead in summer.

Two practical notes: the dump and water-fill station is across NC-12 at the Oregon Inlet Fishing Center and is free for campers. Showers are heated here, unlike the three southern NPS campgrounds.

Cape Point Campground

Total sites: 200. Layout: rows A through F. Hookups: none. Season: spring through fall (check Recreation.gov for current dates). Fee: $20.

Big-rig fit: Cape Point is the campground built for the long-rig crowd. The longest individual site is 50 feet and the most common big-pad measurement is 46–48 feet. Of the 200 total sites, 137 are 45 feet or longer. Rows D, E, and F are reserved for tent camping; the RV-suitable rows are A, B, and C.

Two cautions before you book. First: the National Park Service notes a shortened reservation window for Cape Point sites due to ground saturation and flooding risk — the seashore recommends checking the site condition in person before paying. Second: even with the big-pad inventory, there are zero hookups. Bring full tanks of fresh water, a full propane setup, and plan on solar or generator runtime within the campground’s posted quiet hours.

Frisco Campground

Total sites: 124. Layout: among dunes, sandy soil. Hookups: none. Season: spring through fall. Fee: $28.

Big-rig fit: Frisco runs from 22 feet to 49 feet, with the bulk of the long-pad inventory in the 39–42 foot band. Driveways are paved but the loops weave through natural dunes, which means the approach to some sites has tight turns and sand drift after storms. Most sites are back-in; a small number are listed as parallel.

The campground is the most scenic of the four — sand dunes between the loops and the beach, with wooden boardwalks for foot traffic. Call the campground at (252) 475-9054 in shoulder season to confirm sand conditions; storm drift can narrow the working width of the loops temporarily.

Ocracoke Campground

Total sites: 131. Access: ferry only. Hookups: none. Season: year-round. Fee: $28.

Big-rig fit: Ocracoke’s inventory tops out at 48 feet but the bulk of the sites sit in the 30–37 foot band. Only 4 sites are 40 feet or longer. If you’re driving a 40+ foot rig, you’ll be filtering hard for one of those four pads and you may not get your first pick of dates. The campground is on the ocean side, separated from the beach by barrier dunes.

The real big-rig consideration for Ocracoke is getting there. Three options: the free Hatteras–Ocracoke vehicle ferry (no length surcharge, no reservations, first-come first-served, expect waits in summer), the Cedar Island–Ocracoke ferry ($45 one-way for combinations 40–65 ft, reservations recommended), or the Swan Quarter–Ocracoke ferry (same fee structure as Cedar Island). For a 40-foot motorhome plus a tow vehicle the Cedar Island and Swan Quarter routes both charge $45 one-way per NCDOT’s current fee schedule.

How to filter Recreation.gov for a specific RV length

This is the single most useful workflow for booking an NPS site on the Outer Banks, and most casual users don’t know it exists:

  • Open the campground page on Recreation.gov
  • Click “Filters” above the availability table
  • Set “Max Vehicle Length” to your rig’s total length (overall length, not bumper-to-bumper of the trailer)
  • Apply, then look at the remaining inventory by date
  • Cross-reference loop and site number on the campground map before you book — some long pads back into tight loop corners

Direct campground links on Recreation.gov: Oregon Inlet (facility 251431), Cape Point (251945), Frisco (251430), Ocracoke (232504).

Hookup reality check

Three of the four NPS campgrounds on the Outer Banks have zero hookups: Cape Point, Frisco, and Ocracoke. Only Oregon Inlet has utility sites, and those are 47 sites out of 116 total with 50-amp electric and water but no individual sewer hookup — there’s a dump station and water-fill station across NC-12 at the Oregon Inlet Fishing Center, free for campers.

If you need full hookups for a long stay, the NPS campgrounds aren’t the right choice. The Cape Hatteras / OBX KOA Resort in Rodanthe and Camp Hatteras RV Resort in Waves both have 50-amp service and full hookups throughout, and they’re the two private campgrounds best set up for 35-foot-plus rigs. The trade is fee structure (resort pricing, not $28/night) and a different vibe — landscaped park rather than barrier-island dune camp.

Ferry length and fee summary (NCDOT, current fee schedule)

RouteUnder 20 ft20–40 ft40–65 ftReservations
Hatteras–Ocracoke (vehicle)FREEFREEFREENo (first-come)
Cedar Island–Ocracoke$15$30$45Recommended
Swan Quarter–Ocracoke$15$30$45Recommended

The Hatteras–Ocracoke ferry is the headline ferry deal in American RV travel: a free 60-minute ocean crossing for any length rig that fits on the boat. Book at 1-800-BY-FERRY for Cedar Island and Swan Quarter; the Hatteras route is walk-up only.

Frequently asked questions

What is the maximum RV length allowed at Cape Hatteras National Seashore campgrounds?

There’s no single park-wide maximum. Each individual site has its own driveway-length spec on Recreation.gov. Across all four NPS campgrounds on the Outer Banks, the longest individual site currently in the system is 50 feet (at Cape Point). Filter site-by-site on Recreation.gov for your specific rig length.

Which NPS campground on the OBX is best for a 40-foot Class A motorhome?

Cape Point. It has 137 sites that are 45 feet or longer — more long-pad inventory than the other three NPS campgrounds combined. Trade-off: no hookups. If you need 50-amp service for a long stay, Oregon Inlet has 47 hookup sites but only 8 of those are 45 feet or longer.

Which NPS campground on the OBX has hookups for RVs?

Only Oregon Inlet. It has 47 sites with 50-amp electric and water, plus a free dump station and water-fill station across NC-12 at the Oregon Inlet Fishing Center. Cape Point, Frisco, and Ocracoke are dry-camping only.

Can a 40-foot fifth wheel fit on the Hatteras–Ocracoke ferry?

Yes, and the ride is free. There’s no length surcharge on the Hatteras–Ocracoke vehicle ferry — it doesn’t appear in NCDOT’s fee schedule. No reservations on this route, first-come first-served, so plan to arrive at least 60–90 minutes before your target departure in summer.

How much does the Cedar Island ferry cost for a 40-foot RV?

$45 one-way per NCDOT’s current fee schedule. The fee is by combined vehicle length, so a 40-foot motorhome plus a tow vehicle, or a tow vehicle plus a 40-foot fifth wheel, both fall in the 40–65 foot bracket at $45. Reservations are recommended — book at 1-800-BY-FERRY or at ncdot.gov.

Are there RV length restrictions on the bridges or roads on the Outer Banks?

Not for typical RVs. The Marc Basnight Bridge over Oregon Inlet and NC-12 south through Hatteras and Ocracoke are all rated for standard highway traffic including 45-foot motorhomes and 40-foot fifth wheels. The practical limit is parking access and turning radius at individual destinations, not the roads themselves.

Sources

  • National Park Service, Cape Hatteras National Seashore — Campgrounds page (nps.gov/caha/planyourvisit/campgrounds.htm)
  • Recreation.gov — per-site inventory for Oregon Inlet (251431), Cape Point (251945), Frisco (251430), and Ocracoke (232504)
  • North Carolina Department of Transportation — Ferry Ticket Prices (ncdot.gov/travel-maps/ferry-tickets-services/Pages/ticket-prices.aspx)

If you spot something on the ground that doesn’t match what’s here — a site that turned out shorter than advertised, a ferry fee that’s gone up, a closed loop after a storm — email me and I’ll update this guide. The numbers were verified against NPS and NCDOT sources in May 2026.

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