Springtime in Yellowstone

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A snowy spring day at Mammoth Hot Springs in Yellowstone

A snowy spring day at Mammoth Hot Springs in Yellowstone

Visit Yellowstone during its warming-up season—spring—to explore the park when both the heat and crowds are at bay. With a little research and careful packing, you can enjoy the park during this beautiful transition season.

Spring Weather in Yellowstone

Be prepared: spring in Yellowstone is different than spring in other locales; due to its high elevation Yellowstone can feel more like winter during this period. Daytime temperatures range from the 30s to the 60s, with lows at night in the teens to single digits. Snow is common, with accumulations of 12” in a 24-hour period possible. Yellowstone’s weather is highly unpredictable—especially in spring—so come equipped with plenty of warm layers. Add ski or snowshoe equipment to your list and you’ll soon discover a sparkling winter world accessible via the park-wide network of cross-country tracks. More about weather

Roads Close for Snowplowing and Open to Bicycles and Motor Vehicles

Each spring, the Old Faithful Snow Lodge closes as the park readies itself for the summer season. In 2018, it closed March 4. Park roads also close while crews clear a winter's worth of packed snow from the Grand Loop. This totals 198 miles of main road, 124 miles of secondary roads and 125 acres of parking lots inside the park as well as 31 miles of the Beartooth Highway outside the park’s Northeast Entrance to prepare for the summer season.

Spring Bicycling

Spring bicycling from West Yellowstone in April

Spring bicycling from West Yellowstone in April, when the roads open to non-motorized traffic. Photo by NPS Neal Herbert

Bicycling, walking, jogging, roller blades, roller skis and similar means of non-motorized public travel may be permitted beginning sometime in late March or early April between the West Entrance and Mammoth Hot Springs prior to these roads opening to motorized public travel. The first day of "spring bicycling" is never predetermined and is dependent on road conditions as determined by park staff.

Bicyclists willing to brave the often unpredictable elements of spring in Yellowstone National Park are able to travel 49 miles of park roads from the West Entrance at West Yellowstone, Mont., to Mammoth Hot Springs, Wyo., beginning mid-March. Read More

Spring Roads Open to Traffic

Weather permitting, roads open at 8 am. Changes and delays are always possible.

2018 Road Closures to Snowcoaches and Snowmobiles

  • March 1: East Entrance to Lake Butte Overlook (Sylvan Pass).
  • March 4: Mammoth to Norris.
  • March 6: Norris to Madison, Norris to Canyon.
  • March 11: Canyon to Fishing Bridge.
  • March 15: All remaining groomed roads close.

2018 Road Openings to the Public

  • Conditions permitting, roads will open at 8 a.m. on the following dates:
    • April 20: West Entrance to Madison, Mammoth to Old Faithful, Norris to Canyon.
    • May 4: East Entrance to Lake (Sylvan Pass), Canyon Junction to Lake.
    • May 11: South Entrance to West Thumb, Lake to West Thumb, West Thumb to Old Faithful (Craig Pass), Tower Junction to Tower Fall.
    • May 25: Tower Fall to Canyon Junction (Dunraven Pass)
    • May 25: Beartooth Highway

Check NPS website about current road conditions.

Spring Animal Activity in Yellowstone

Momma grizzly and her cub on May 15, 2014 near Daisy Geyser. Photo by NPS Jim Peaco

Mama grizzly and her cub on May 15, 2014, near Daisy Geyser. Photo by NPS Jim Peaco

Riders and hikers alike should be aware that the park’s awakening—marked by the opening of interior roads and campgrounds in May—also signifies the awakening of its large mammal populations: bears, bison, elk, wolves, and other wildlife. These inhabitants include females preparing to give birth, according to the NPS, "The beautiful red colored baby bison arrive first, followed by baby elk and then the emergence of mother bears and their cubs (born during the winter)." See photos and video of Baby Animals

Bison Calf born on May 10, 2014

Newborn bison calf born on May 10, 2014. Photo by NPS Neal Herbert

As spring is a time of wildlife activity, drivers should watch for bison migrating back into the park north of Gardiner, MT; slower speeds and extra caution are encouraged. Furthermore, be advised that bears are active in the spring as they emerge from their winter dens and begin searching for any food source that will help them restore fat reserves lost during torpor. Bears aggressively defend food sources—such as winter-killed animals, wildflower buds or burrowing rodents—from perceived aggression. Therefore, all park visitors should follow bear safety precautions when skiing or hiking.

Spring Camping in Yellowstone

For those interested in camping, note that the Mammoth Campground is the only year-round option. The other campgrounds will follow a graduated opening schedule beginning in early May and continuing through the end of June.

2018 Projected Opening of Campgrounds

Year-round: Mammoth Campground

April 27: Madison Campground
May 11: Fishing Bridge RV Park
May 18: Bridge Bay Campground
May 25: Canyon Campground
June 8: Grant Village Campground

Spring Lodging in Yellowstone

The park has a plethora of food and lodging options, though only a handful of these amenities are available year-round. Most of the facilities—key locations and offerings listed below—begin opening in May, in step with the rest of the park. Mammoth Hot Springs offers the only year-round service station, general store, and clinic.

The dates listed below are generalized from previous year openings for trip planning purposes. All dates are subject to change! For lodging inside Yellowstone please contact Xanterra Parks & Resorts at (866) 439-7375. Learn more about lodging inside Yellowstone.

2018 Projected Opening of Hotels and Cabins

April 27: Mammoth Hotel & Cabins Note: Mammoth Hotel & Cabins are closed for construction and scheduled to reopen summer 2018)
April 27: Old Faithful Snow Lodge
May 4: Old Faithful Inn
May 11: Lake Yellowstone Hotel & Cabins
May 19: Old Faithful Lodge
May 25: Grant Lodging
May 18: Canyon Lodge & Cabins
June 1: Roosevelt Lodge & Cabins
June 1: Lake Lodge Cabins: June 10

See complete list of facility opening dates

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