That’s the coldest temperature ever recorded in Yellowstone: -66ºF at Madison, near the park’s west entrance at West Yellowstone, Montana. ... Yellowstone By Snowmobile.

Noise emissions at three key spots in Yellowstone ... near Old Faithful, at the West Yellowstone ... temporary rules remain in place that allow up to 720 snowmobiles a day in Yellowstone.

1963 First snowmobiles enter Yellowstone National Park (three that year). 1966 Snowmobile use begins to increase rapidly, from 1,500 in 1966-67 to 26,800 by 1972-73.

Snowmobiles have been permitted inside Yellowstone since 1963, and must be approved sleds that have fewer than 6,000 miles on the odometer. Ben Dann/Ski-Doo ...

WEST YELLOWSTONE, Mont. – Two recent snowmobile incidents in the West Yellowstone area have prompted safety reminders from local authorities. The West Yellowstone Police Department received a ...

On Jan. 31, a man who was snowmobiling with his friend near West Yellowstone called 911 and said his friend needed medical attention, according to a Facebook post by the Gallatin County Sheriff ...

CODY The days of snowmobiling in Yellowstone National Park are numbered, according to a National Park Service proposal released Tuesday.