Nestled in the shade of dense lodgepole pines at an elevation of 8,000 feet, Camp High Sierra stands as one of the longest-running continuously operated campgrounds in California. Operating since 1921, this historic property offers a secluded, classic mountain setting while remaining less than five minutes from downtown Mammoth Lakes and the pristine waters of the Mammoth Lakes Basin.

Whether you are looking for a traditional tent site along a quiet creek, a historic cabin stay, or a level RV site suited for travel trailer delivery, Camp High Sierra balances old-school High Sierra nostalgia with modern camping conveniences.

Which Spot Fits Your Trip?

  • The Traditionalist (Tent Camping Loops): Deep shade, natural forest floor, fire rings, and quick access to bear lockers.

  • The Glampers and RVers (Partial and Full Hookup Sites): Level parking pads, 30A electrical service, water connections, and trailer delivery access.

  • Families and Groups (Historic Cabins / Group Sites): Communal recreation lodge, fire pits, hot bathhouse, and safe, enclosed property grounds.

  • Backcountry and Anglers (Stream-side Tent Sites): Walking access to Mammoth Creek for early morning trout fishing.

Logistical Realities and Campground Amenities

Hot Showers and Bathhouse Facilities: One of the most sought-after features at Camp High Sierra is its clean, historic bathhouse equipped with hot showers and full indoor restrooms—a major asset after long day hikes around Twin Lakes (basin) or Sherwin Lakes.

  • Hookups and RV Site Dimensions: Electric and water hookups are available on select sites. Because of the historic layout and preserved tree line, tight turning radiuses exist throughout the loop. Rigs over 30 feet should verify site length prior to booking.

  • Bear-Safe Storage Protocols: Camp High Sierra is located in dense black bear habitat. Every site includes a heavy-duty bear locker. All food, trash, coolers, and scented toiletries must be secured at all times when not in use.

Reservation Window and Trailer Delivery Setup

Camp High Sierra operates seasonally from mid-May through mid-October. Reservations fill rapidly for peak summer weekends and early autumn foliage viewing.

Rather than hauling your own rig up the mountain, you can book a luxury travel trailer through Adventure in Camping. They will deliver, level, and fully set up your chosen trailer right at your Camp High Sierra campsite before you arrive.

3-Step Trailer Delivery with Adventure in Camping:

  1. Reserve your campsite directly with Camp High Sierra.

  2. Select your travel trailer with Adventure in Camping.

  3. Arrive to a fully set up, climate-controlled basecamp.

By pairing your site with an Adventure in Camping trailer rental, your basecamp comes complete with fresh linens, a private bathroom, full kitchen utilities, and heating for crisp alpine nights.

Plan Your Trip:

  • Check availability for Camp High Sierra

  • Join the Adventure in Camping Experience

Choose your trailer now!

Experiential “Day-in-the-Life” at Camp High Sierra

  • 7:30 AM – Morning Coffee and Creek Stroll: Wake up to crisp mountain air, step out into the pines, and take a short 5-minute walk down to Mammoth Creek to cast a line for rainbow trout.

  • 10:00 AM – Explore the Basin: Take a quick 2-mile drive up Lake Mary Road to Twin Lakes, rent a kayak at the marina, or hike the panorama trail leading toward Lake Mamie.

  • 3:00 PM – Return and Refresh: Head back to Camp High Sierra to wash off the trail dust in the hot showers, relax in the shade of the historic lodge, or play lawn games with the family.

  • 7:00 PM – Campfire and Stargazing: End the night grilling dinner at your site, surrounded by century-old pine trees under unpolluted night skies.