• An aerial view of Old Faithful erupting taken from Observation Point with the Old Faithful Inn to the side.

    Yellowstone

    National Park ID,MT,WY

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  • Construction Work To Result In Yellowstone Road Closures After Labor Day

    Two sections of Yellowstone’s Grand Loop Road will be closed due to construction after the Labor Day holiday weekend. Travel between some points will involve long detours and significantly longer than normal travel times. More »

2013-2014 OSV Noise Emissions Test Results

This page displays the results from noise emissions tests conducted on December 11, 2013, December 13, 2013, and January 24, 2014. Files are named according to the "Manufacturer Model (year, nickname)" followed by the "Noise Test Date." For example: "Bombardier B-12 (1953, Chip) – 2014.1.24"

Arctic Cat TZ1 (2014a) - 2013.12.11 (244 KB pdf)

Arctic Cat TZ1 (2014b) - 2013.12.11 (244 KB pdf)

Arctic Cat TZ1 (2014c) - 2013.12.11 (244 KB pdf)

Arctic Cat TZ1 (2014d) - 2013.12.11 (244 KB pdf)

Arctic Cat TZ1 (2014e) - 2013.12.11 (245 KB pdf)

Bombardier B-12 (1953, Chip) - 2014.1.24 (277 KB pdf)

Bombardier B-12 (1953, Sally) - 2014.1.24 (277 KB pdf)

Bombardier B-12 (1956, Griz) - 2013.12.11 (273 KB pdf)

Bombardier B-12 (1965, Rosebud) - 2013.12.13 (277 KB pdf)

Bombardier B-12 (1979, Shoshone) - 2013.12.13 (276 KB pdf)

Chevy Express 3500 (2011, SY7) - 2013.12.11 (244 KB pdf)

Chevy Suburban (2007, SY6) - 2013.12.11 (244 KB pdf)

Ford E-350 Vanterra (2011, SY3) - 2013.12.11 (263 KB pdf)

Ski-Doo Grand Touring LE 900cc (2014, high torque) - 2014.01.24 (244 KB pdf)

Ski-Doo Grand Touring LE 900cc (2014, low torque) - 2014.01.24 (244 KB pdf)

Ski-Doo Renegade Sport 600cc (2014) - 2014.01.24 (263 KB pdf)

Tucker Sno-cat (2014) - 2014.01.24 (244 KB pdf)

Did You Know?

Bison in Yellowstone.

There are more people hurt by bison than by bears each year in Yellowstone. Park regulations state that visitors must stay at least 25 yards away from bison or elk and 100 yards away from bears.