About
Overview Starting Tuesday April 15th, the Mammoth Campground is open and reservations are required. For reservations at the campgrounds managed by Yellowstone National Park Lodges (Fishing Bridge RV Park, Bridge Bay, Canyon, Madison, and Grant Village campgrounds), please visit the Yellowstone National Park Lodges Camping website. Recreation There are many recreational opportunities in the Mammoth Hot Springs and the North area. Visit these pages to learn more:Boating Fishing Hiking Photography & Wildlife Watching Explore the boardwalks above Mammoth Hot Springs to view the the steaming Hydrothermal Features or take a drive around the vibrant travertine terraces. Explore in Winter. Ski or snowshoe among the whiffs of sulfur along the Upper Terraces. Explore the historic Fort Yellowstone area. Visit the park's Mammoth & Hot Springs North web page to learn more. Facilities Mammoth Campground offers: 82 campsites Some Cell Phone Reception Food Storage Lockers Trash/Recycling Collection Amphitheater - Seasonal Staff or Volunteer Host On Site - Seasonal Potable Water spigots Flush Toilets - year round There are no showers at the campground Natural Features The Mammoth Campground is in a high sagebrush steppe, scattered juniper and Douglas fir trees provide shade during hot summer months. Wildlife including elk, bison, pronghorn, and mule deer frequent the Mammoth Hot Springs and the North area of the park, depending on the season. The road from the North Entrance to the Mammoth Campground winds up the Gardner River canyon, past crumbling walls of sandstone and ancient mudflows. The vegetation is much thicker in the canyon than on the open prairie down below, the common trees being Rocky Mountain juniper, cottonwood, and Douglas-fir. Low-growing willows also crowd the river's edge in the flatter, flood-prone sections of the canyon. Watch for wildlife, which varies by the season. Eagles, osprey, dippers, and kingfishers can be spotted along the river, while bighorn sheep climb along the steeper parts of the canyon. Elk are common in Mammoth Hot Springs, while bison can often been seen along the road out to Tower–Roosevelt. Spring and Fall daytime temperatures range from 30°F (-1°C) to 60°F (15°C) with overnight lows in the teens to single digits. Snow is common in the spring and fall. Summer temperatures are often around 70°F (21°) to 80°F (27°C) and occasionally 90°F (32°F) at lower elevations. Nights are usually cool and temperatures may drop below freezing at higher elevations. Thunderstorms are common in the afternoons. During winter, sub-zero temperatures and snow are common, especially at night and at higher elevations. Winter temperatures range from 0—20°F (-20—-5°C) throughout the day, with sub-zero temperatures overnight. Nearby Attractions Visit the park's website to learn more about the Mammoth Hot Springs and the North area. Contact Info For facility specific information, please call (307) 344-2289.Charges & Cancellations Changing Reservations: There is no change fee if a visitor extends or shortens a reservation, as long as the change includes dates from the original reservation. Additionally, there is no change fee if the visitor wants to switch sites that are the same price with the same reservation dates in the same facility. If a visitor wants to switch dates that are entirely outside of the original reservation dates, there is a $10 change fee. If a reservation is made that includes dates beyond the maximum booking window, that reservation cannot be changed until 18 days have passed from the original booking date. Once a reservation date has begun, visitors cannot change a reservation using the online system or through the Call Center. Onsite staff will assist with changes or cancellations. Cancellations: Visitors may cancel their reservation prior to arrival both on-line and through the call center. A $10 service fee will be withheld from any refund for a cancellation. A visitor who cancels a reservation the day before or on the day of arrival will pay a $10.00 service fee AND forfeit the first night's approved rate including tax and applicable add-on. Cancellations for a one-night reservation will forfeit the entire amount paid and will not be subject to an additional service fee. Visitors who cancel a group overnight facility reservation less than 14 days prior to arrival date will pay a $10 service fee AND forfeit the first night’s rate. No-Shows: A no-show visitor 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. Staff will hold a campsite until check-out time on the day following the arrival date. No-shows are assessed $20.00 service fee and forfeit the first night's rate, taxes and applicable add-on for a campsite. Early Departures: Visitors are requested to notify staff at the facility if they depart early to allow others to use the site. If the visitor chooses to depart early,
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