- Full-hookup in-park option
- 1 (Fishing Bridge)
- Max length accepted
- 40 ft
- Reservation horizon
- 13 months out
- Operating season
- ~May–mid-Oct
Why Fishing Bridge is the only in-park hookup answer
Yellowstone has 12 campgrounds across its 2.2 million acres, but exactly one accepts a 40-foot fifth wheel with full water, sewer, and electric hookups: Fishing Bridge RV Park on the north shore of Yellowstone Lake. That single fact shapes nearly every aspect of planning a fifth wheel trip into the park. Bridge Bay, Canyon, Grant Village, and Madison campgrounds accept smaller RVs but offer no hookups and impose loop-by-loop site-length restrictions. Mammoth, Norris, Tower Fall, Pebble Creek, Slough Creek, Lewis Lake, and Indian Creek are oriented toward tent / pop-up / small Class B / Class C camping. If you want a fifth wheel with hookups inside the park boundary, Fishing Bridge is the answer — and securing a reservation is the limiting reagent of the entire trip.
The 13-month-out reservation math
The 13-month-out booking math. Fishing Bridge reservations release on Recreation.gov on a rolling-day basis 13 months ahead. Translated: if you want July 15 2027 dates, the booking window opens June 15 2026. Peak-week (mid-June through mid-August) sites typically clear within minutes of the window opening. The honest planning posture is to set a Recreation.gov reservation reminder for the morning your target booking window opens, log in 10 minutes early, and have your fifth wheel's exact length, slide-out count, and slide-out widths memorized — the booking flow asks. Off-season weeks (mid-May, late September) book more loosely; if your dates are flexible the shoulder-season months reward patience.
Bear-storage compliance (36 CFR §2.10) decoded
Bear-storage compliance is the most-cited regulation that catches Yellowstone renters off-guard. 36 CFR §2.10 requires all food, scented items, coolers, cookware, and animal feed to be stored inside a hard-sided vehicle, a bear-proof container, or a designated food locker when not in immediate use. Fishing Bridge specifically excludes tent and soft-sided camping for this reason — the park's grizzly density in the lake corridor makes soft-sided sleeping a measurable safety risk. A fifth wheel is hard-sided by definition so the rig itself is bear-compliant; what catches renters is exterior gear. BBQ grills, BBQ tools (even if cleaned), trash bags, pet food, pet bowls, scented hygiene products left in an exterior storage compartment — all count and all are citation-eligible. Use the campground dumpsters multiple times per day and keep the rig's exterior cosmetically clean.
Backup in-park campgrounds + nearby gateway options
Other in-park hookup-free campgrounds worth knowing as backup. Bridge Bay (430 sites, mid-May to mid-Sep, reservations) accepts RVs up to 40 ft but no hookups — generator hours apply. Canyon (273 sites, end of May to mid-Sep, reservations) accepts up to 40 ft, no hookups. Madison (278 sites, end of April to mid-Oct, reservations) accepts up to 40 ft, no hookups, central location for both geyser basins and the Madison River fishing area. Grant Village (430 sites, late May to late Sep, reservations) accepts up to 40 ft, no hookups, southern park access. Outside the park, West Yellowstone Montana and Gardiner Montana both have private RV resorts with full hookups but require driving in / out of the park daily — measurable time cost during peak-traffic months.
Operating season + what PickRV will and will not promise
Operating season for Yellowstone roads is roughly May through mid-October; specific opening / closing dates for each park entrance and each interior road vary by year and snow conditions. The official NPS Yellowstone road-status page publishes weekly updates. Fishing Bridge RV Park's operating season tracks the broader road season — typically opens mid-May, closes early October. PickRV's role for Yellowstone fifth wheel trips is coordinating Wyoming / Montana / Idaho host inventory as vehicles list with compatible hitch specs. Search current inventory for the Greater Yellowstone region and filter for your dates.
Live Yellowstone weather + NPS alerts
Weather · Fishing Bridge, YNP
Open-Meteo78°F
Partly cloudy
H 80° / L 51°
17 mph
UV 7
Sun
84° / 57°
Mon
80° / 61°
Tue
84° / 53°
Park alerts
We can't read the live alert feed on this page. Conditions change fast — the park service posts every closure, road status and warning on its own page.
Check alerts on nps.gov →Frequently asked questions
- Which Yellowstone campgrounds accept a 40-foot fifth wheel?
- Fishing Bridge RV Park is the only in-park campground that accepts hard-sided RVs up to 40 feet with full water + sewer + electric hookups. It is also the only Yellowstone campground that excludes tent and soft-sided camping (the policy is bear-related, given the campground's location in grizzly habitat). Other in-park campgrounds (Bridge Bay, Canyon, Grant Village, Madison) accept smaller RVs but offer no hookups and have site-length restrictions that vary by loop.
- How far in advance do I need to book Fishing Bridge RV Park?
- Reservations open 13 months in advance on Recreation.gov on a rolling-day window. Peak summer weeks (mid-June through mid-August) are typically gone within minutes of the booking window opening. Off-season shoulder weeks (mid-May, late September) book more loosely but the park's overall operating season runs roughly May through mid-October — exact opening / closing dates vary by year and are published on the official NPS Yellowstone lodging page.
- What is the bear-storage compliance requirement at Fishing Bridge?
- All food, scented items, coolers, and cookware must be stored inside the hard-sided RV when not in immediate use. 36 CFR §2.10 enforces this across Yellowstone and rangers do issue citations. A fifth wheel is bear-compliant by design (hard sides, sealed doors). The rules that catch renters are exterior storage: grills, BBQ tools, garbage bags, dog food, and pet bowls all count as scented items. Use the campground dumpsters frequently and keep the exterior of the rig clean.
- Will PickRV have fifth wheel inventory for Yellowstone in 2026?
- PickRV is a peer-to-peer marketplace live across all 50 states; inventory grows as more owners list. Fifth wheel rentals require the renter to have a compatible tow vehicle (typically a 3/4-ton or 1-ton diesel pickup with a gooseneck or fifth-wheel hitch), which narrows the demand pool meaningfully. Wyoming and Montana are thinner host markets than the coasts. Search current Wyoming inventory for the Greater Yellowstone region and message hosts directly about your window.
Keep exploring
Ready to roll?
Wyoming is waiting.
Flat 15% built into the renter price — your base rate stays 100% yours · 48h free cancel. Owners + companies + tour operators all welcome.
