Campgrounds / Joshua Tree National Park

Jumbo Rocks Campground

Joshua Tree National Park, CA. Every number below is quoted from the official page named beside it, retrieved 2026-10-17. "Not stated" means the page does not say.

The calculator link pre-fills the driveway at the facility maximum. A facility maximum is the longest unit the campground accepts somewhere, not the length of every site; the site page on Recreation.gov carries the site's own figure where one exists.

Spec sheet

Park

Joshua Tree National Park, CA

Sites

124 National Park Service, Joshua Tree: Campgrounds

Elevation

4400 ft

Season

A reservation campground, typically open year-round; the park states partial or full summer closures are possible. National Park Service, Joshua Tree: Campgrounds

Hookups

The park's campgrounds page lists no hookups and no water at this campground. National Park Service, Joshua Tree: Campgrounds

Dump station

not stated

Loops

not stated

Site types listed

not stated

Reservation window

not stated National Park Service, Joshua Tree: Campgrounds

Access notes

Park-wide generator rule as stated by the park: generators may run only from 7–9 a.m., noon–2 p.m. and 5–7 p.m. The park also states an annual campfire ban from June 15 to October 1 at all campgrounds. Where the wording above says "some sites", the figure is a facility maximum and not the length of every site. National Park Service, Joshua Tree: Campgrounds

What the limit means for your rig

Jumbo Rocks Campground publishes a combined limit of 35 ft: the RV plus any towed or towing vehicle, measured end to end. That is the number the fit calculator computes as "combined length", so compare like with like — and it is a stricter test than an RV figure of the same number, a 35 ft motorhome towing a car is outside this limit, while the same motorhome is inside a 35 ft maximum RV length somewhere else. The exact wording is quoted under the diagram; read it, because a facility maximum is the longest unit the campground accepts somewhere and not the length of every site.

A 35-foot rig is the size at which figures like this start to bind, and a combined figure binds sooner than an RV figure does: Jumbo Rocks Campground's 35 ft combined limit puts a 35-foot motorhome with nothing in tow exactly at it, and rules out any 35-foot rig towing anything at all. How a 35-foot rig reads against every limit verified on this site, RV figures and trailer figures separated.

Use the calculator with the driveway set to 35 ft to see your rig drawn to scale against this limit. A "fits" there means your rig is inside the facility maximum with the 5 ft safety margin, which is our editorial assumption and not a figure from any source — it is editable in the calculator, down to zero. A "fits" does not mean a particular site is available or that every site is that long.

Hookups at Jumbo Rocks Campground

Official wording: "The park's campgrounds page lists no hookups and no water at this campground." There is no electricity, water or sewer at the site, so plan on battery, generator rules as stated above, and the dump station named in the spec sheet.

Other verified campgrounds

• Belle CampgroundJoshua Tree National Park35 ft RV
• Hidden Valley CampgroundJoshua Tree National Park25 ft combined
• White Tank CampgroundJoshua Tree National Park25 ft combined
• Black Rock CampgroundJoshua Tree National Park35 ft RV
• Cottonwood CampgroundJoshua Tree National Park35 ft combined

Provenance

No campsite-level records (driveway length per site, per-site hookups, accessibility attributes) are published here yet: they come from the RIDB API, which needs a key this site does not have configured. See methodology.