Ash Mountain is the highest summit in the Tuya Range of the Stikine Ranges in northcentral British Columbia, Canada, located immediately north of High Tuya Lake at the north end of Tuya Mountains Provincial Park. It is one of the six tuyas clustered close to Tuya Lake. The base of the volcano comprises pillow lava and hyaloclastite indicating that the volcano formed beneath ice or under a large lake. The volcano comprises loose debris as well as dikes of basaltic rock that intruded into the volcanic pile. Other tuyas in the area include Tuya Butte, South Tuya and Mathews Tuya, although most of the group of tuyas are unnamed.

Ash Mountain
Ash Mountain Location within British Columbia
Highest point
Elevation	2,125 m (6,972 ft)[1]
Prominence	750 m (2,460 ft)[1]
Listing	Mountains of British Columbia
Coordinates	59°16′28″N 130°30′32″W[2]
Geography
Location	British Columbia, Canada
District	Cassiar Land District
Parent range	Tuya Range (Stikine Ranges, Cassiar Mountains)
Topo map	NTS 104O7 Ash Creek[2]
Geology
Age of rock	Pleistocene
Mountain type	Subglacial mound
Last eruption	Pleistocene[citation needed]

See also

• List of subglacial volcanoes
• Volcanism of Western Canada
• Volcanic history of the Northern Cordilleran Volcanic Province

References

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