Roof Butte is a peak of the Chuska Mountains

Chuska mountains

The Chuska Mountains are an elongate range on the Colorado Plateau and within the Navajo Nation. The range is about 80 by 15 km , and it trends north-northwest and is crossed by the state line between Arizona and New Mexico. The highlands are a dissected plateau, with an average elevation of...

 in Arizona

Arizona

Arizona ; is a state located in the southwestern region of the United States. It is also part of the western United States and the mountain west. The capital and largest city is Phoenix...

, United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. Roof Butte is the highest peak of the Chuska Mountains which run in a north-northwest direction across the Arizona-New Mexico border. Roof Butte is a visible butte

Butte

A butte is a conspicuous isolated hill with steep, often vertical sides and a small, relatively flat top; it is smaller than mesas, plateaus, and table landform tables. In some regions, such as the north central and northwestern United States, the word is used for any hill...

 for miles around. The mountain has an elevation of 9823 feet (2,994.1 m). A manned-lookout tower is located on Roof Butte. Two funnel shaped explosion volcanic pipe

Volcanic pipe

Volcanic pipes are subterranean geological structures formed by the violent, supersonic eruption of deep-origin volcanoes. They are considered to be a type of diatreme. Volcanic pipes are composed of a deep, narrow cone of solidified magma , and are usually largely composed of one of two...

s formed the flattish summit of Roof Butte, and a low lava dome

Lava dome

|250px|thumb|right|Image of the [[rhyolitic]] lava dome of [[Chaitén Volcano]] during its 2008–2009 eruption.In volcanology, a lava dome is a roughly circular mound-shaped protrusion resulting from the slow extrusion of viscous lava from a volcano...

caps one nearby peak.