Mount Wrangell, (Ahtna: K’ełt’aeni, or K’ełedi when erupting)[3] is a massive shield volcano located in Wrangell-St. Elias National Park and Preserve in southeastern Alaska, United States.

[4] The shield volcano features an ice-filled caldera 2.5 by 3.7 miles (4 by 6 km) in diameter at the top of Wrangell's broad summit.

The caldera is in turn rimmed by three small craters, which often display fumarolic activity with steam plumes that can sometimes be seen from a distance.

A very large cinder cone, 13,009-foot (3,965 m) Mount Zanetti, rises nearly 1,000 feet (300 m) above the northwest flank of Wrangell and is the source of some lava flows.

The Ahtna people call it K'elt'aeni, "the one who controls the weather," with the alternate name Uk'eledi, "the one with smoke on it" when it is active.

[5] The amount of geothermal heat being emitted by Wrangell increased from the 1950s to the 1980s, raising the possibility of a future eruption.