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Coldwater Campground - Inyo NF (CA)

Mammoth Lakes, California · Mono County · Campground

Overview Coldwater Campground is located high in the eastern Sierra Nevada Mountains near the town of Mammoth Lakes, California. The surrounding national forest provides many opportunities for family fun, outdoor recreation and relaxation. Hiking, fishing, road cycling and picnicking are just some of the favorite activ…

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About Coldwater Campground - Inyo NF (CA)

Overview Coldwater Campground is located high in the eastern Sierra Nevada Mountains near the town of Mammoth Lakes, California. The surrounding national forest provides many opportunities for family fun, outdoor recreation and relaxation. Hiking, fishing, road cycling and picnicking are just some of the favorite activities available to campers.Recreation Coldwater offers easy access to fishing for rainbow, brook and brown trout in Lake Mary. Major trailheads lead into the backcountry. Several interesting trails offer a variety of hikes, including the 5-mile Duck Pass Trail, which climbs the forested hillside behind the campground and passes several lakes before heading over Duck Pass to join the John Muir Trail.Facilities Campsites are organized into two loops, with sites fairly close together and near either creek. Pressurized water spigots and flush toilets are provided throughout the facility, and there are picnic tables, campfire rings and bear-proof food storage lockers at each campsite.Natural Features This campground sits in a pine forest at an elevation of 8,900 feet. Large and small boulders are strewn about the campground. Coldwater and Mammoth Creeks run alongside the campsites. Crystal clear Lake Mary, one of several lakes in the Mammoth Lakes Basin, is nearby. The Eastern Sierras are abundant with wildlife, including black bear, mountain lions, mule deer, pine marten, pika and many species of fish and birds. Nearby Attractions Visitors can explore the magnificent John Muir Wilderness, which stretches 100 miles along the crest of the Sierra Nevada Mountains, a land of lofty snow-capped mountains, deep canyons and vast expanses of glacially-carved terrain. Hiking and horseback riding trails are abundant.Charges & Cancellations Once your reservation start date has begun, neither the Recreation.gov Contact Center nor the campground manager will be able to modify your reservation.

How to Get There

Coldwater Campground is 320 miles north of Los Angeles and 180 miles south of Reno. Follow U.S. Highway 395 to the junction of State Highway 203. Turn west on 203 and drive 7 miles through the town of Mammoth Lakes. Highway 203 becomes Main Street, then Lake Mary Road, which will lead to the Lakes Basin. Continue on Lake Mary Road to the Coldwater Campground cutoff on the left.

Driving directions (Google Maps) →

What to Pack for Your Stay

Tuned to the live forecast for this park.

👔 What to Wear

  • 👕
    Long-sleeve shirt
    Synthetic or merino, sun-protective.
  • 🧥
    Light shell or windbreaker
    Even on warm days, wind can chill (avg wind 0 mph).
  • 👖
    Hiking pants or convertible
    Layer for variable conditions.
  • 🥾
    Trail runners or low boots
    Comfortable, broken in.

🎒 What to Pack

  • 💧
    Water
    Bring at least 1L of water; more in heat.
  • 🍫
    High-energy snacks
    A snack for the trail.
  • 🧴
    Sun protection
    Sunscreen, sunglasses, brimmed hat.
  • 🩹
    First-aid kit
    Blister patches, ibuprofen, tape, antiseptic wipes.
  • 🗺
    Offline map
    Download your route in advance via Gaia, Caltopo, or OSM-based apps.

Recommendations adapt to the current forecast + trail stats. Use them as a starting point — local conditions, your experience, and the time of day you start all matter.

Plan Your Visit to Coldwater Campground - Inyo NF (CA)

Heading to Coldwater Campground - Inyo NF (CA)? A few things to know before you go:

  • Reservations: popular sites fill up fast — check Recreation.gov 6 months in advance
  • Fees: day-use and camping fees vary; check current rates on the official park page
  • Trash & pack-out: follow Leave No Trace principles
  • Wildlife: store food in bear boxes where provided; never feed wildlife
  • Weather: the 5-day forecast above is updated every 6 hours; verify just before you go

Frequently Asked Questions

Do I need a reservation for Coldwater Campground - Inyo NF (CA)?

No central reservation system listed for Coldwater Campground - Inyo NF (CA). Check the official page (https://www.recreation.gov/camping/campgrounds/234290) for the latest entry policy and availability.

How do I get to Coldwater Campground - Inyo NF (CA)?

Coldwater Campground is 320 miles north of Los Angeles and 180 miles south of Reno. Follow U.S. Highway 395 to the junction of State Highway 203. Turn west on 203 and drive 7 miles through the town of Mammoth Lakes. Highway 203 becomes Main Street, then Lake Mary Road, which will lead to the Lakes Basin. Continue on Lake Mary Road to the Coldwater Campground cutoff on the left.

How do I contact Coldwater Campground - Inyo NF (CA)?

You can reach the park at email: clm@clm-services.com.