Lake Mary Campground
**EXTRA VEHICLE FEES: One vehicle is included in your reservation. Any additional vehicles will be charged $10.00 per vehicle, per night and will be collected by the camp host.**
Dec 28, 2025 – Dec 30, 2026
Overview
Lake Mary is the star of the Mammoth Lakes region. Of the 11 lakes in the area, Mary is the largest and most developed. Lake Mary Campground is a large facility with plenty of amenities in and around it. The lake provides a great base for activities like fishing, viewing waterfalls, hiking and backpacking.Recreation
Lake Mary receives the highest number of trout stocks in the Mammoth Lakes Basin, and is well-known to anglers for its rainbow, brook and brown trout fishing. No swimming or wading is allowed in the lake.Though no hiking trails begin in the campground, several interesting trails offer a variety of hikes nearby, including day hiking and backpacking trails into the rustic John Muir Wilderness.
Facilities
The campground straddles the road at the northwest end of Lake Mary, and offers four loops of closely-spaced campsites. The campground is within walking distance of the lake, and some sites have a view of the water.Natural Features
The campground lies among lodgepole pine trees at an elevation of 8,900 feet. Some campsites have views of the breathtaking scenery surrounding the campground, including Lake Mary and some of the 9,000 and 10,000' peaks in the John Muir Wilderness.The Eastern Sierra Nevada Mountains are abundant with wildlife, including black bear, mountain lions, mule deer, pine marten, pika and many species of fish and birds.
Nearby Attractions
Mammoth Lakes Basin contains several additional popular lakes to explore for fishing and boating.Visitors can also access the magnificent John Muir Wilderness nearby, which stretches 100 miles along the crest of the Sierra Nevadas, 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
As you make travel plans that include reservations on Recreation.gov, there are standard policies that apply to most locations of which you should be aware. Do keep in mind, however, that there are many exceptions, so it is best to review reservation information listed on individual facility pages for those policies and procedures that pertain to your specific locations.
Any location or activity requiring a permit or lottery will have unique requirements and policies. Please check individual facility pages for pertinent information for those sites.
Change and Cancellation Policies and Fees
Overnight and Day Use Facilities: To ensure fairness, reservation arrival or departure dates may not be changed beyond the booking window until 18 days after booking the reservation.
Camping / Day Use: A $10.00 service fee will apply if you change or cancel your reservation (including campsites, cabins, lookouts, group facilities, etc.). The $10.00 service fee will be deducted from the refund amount.
You can cancel or change reservations through Recreation.gov or by calling 1-877-444-6777.
Late Cancellations
Overnight and Day Use Facilities: Late cancellations are those cancelled between 12:01 a.m. (Eastern) on the day before arrival and check out time on the day after arrival.
Individual Campsites: If a customer cancels a reservation the day before or on the day of arrival they will be charged a $10.00 service fee and will also forfeit the first night's use fee (not to exceed the total paid for the original reservation). Cancellations for a single night's reservation will forfeit the entire use fee but no cancellation fee will apply.
Cabins / Lookouts: Customers will be charged a $10.00 cancellation fee and forfeit the first night's use fee if a cabin or lookout reservation is cancelled within 14 days of the scheduled arrival date. Cancellations for a single night's use will not be assessed a service fee.
Group Facility: If a customer cancels a group overnight facility reservation within 14 days of the scheduled arrival date they will be charged the $10.00 service fee and forfeit the first night's use fee. Cancellations for a single night's use will not be assessed a service fee.
Group Day Use Area: If a customer cancels a group day use facility reservation within 14 days of the scheduled arrival date, they will forfeit the total day use fee with no service fee charge.
No-Shows
Camping / Day Use: A camping no-show customer is one who does not arrive at a campground and does not cancel the reservation by check-out time on the day after the scheduled arrival date. Reserved campsites and group overnight facilities will be held until check-out time on the day following your scheduled arrival. Group day-use facilities will be held until check-in time on your scheduled arrival date.
If a customer does not arrive at the campground or group facility by check-out time the day after arrival or does not cancel the reservation by the times listed under "Late Cancellations" above, the customer may be assessed a $20.00 service fee and forfeit use fees.
Tours: A tour or ticket no-show is one who does not cancel a ticket before arrival and does not arrive for the tour. Tour no-shows are not entitled to a refund.
Refunds
Customers must request refunds no later than 14 days after the scheduled departure date. Recreation.gov will not grant refund requests after 14 days of departure.
Reservation Fee: For some facilities, tours or permits an additional reservation fee is charged. For some overnight and day-use facilities, an additional non-refundable reservation fee may apply. The non-refundable reservation fee for tours and tickets is $1.00. The non-refundable reservation fee for permits varies by location.
Refunds for Bankcard Purchases: Refunds for bank card payments will be issued as a credit to the original bank card.
Refunds for Check or Cash Purchases: Refunds for Recreation.gov payments made by check or money order, and cash payments at selected campgrounds will be issued a check refund. A refund will be processed within 30 days of receipt and approval. Please Note: Refund requests made during or after departure can only be processed when approved by the facility management staff based upon local policy.
Refunds for Emergency Closures: In the event of an emergency closure, the Recreation.gov team will attempt to notify users and offer alternate dates (as appropriate). If this is not possible, reservations will be cancelled and all fees paid will be refunded. Reservation fees for free tickets are non-refundable in the event of an emergency closure.
Recreation.gov Billing Information
Reservation transaction will appear on customer's credit card statements as "Recreation.gov 877-444-6777."
Changes to Policies and Procedures
Recreation.gov reserves the right, when necessary, to modify reservation policies. These policies were last updated July
Directions
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