Triangle Dome

{{Short description|Trachytic lava dome in British Columbia, Canada}}

Triangle Dome is a trachytic lava dome in northern British Columbia, Canada. It is thought to have formed in the Pleistocene period.[http://gsc.nrcan.gc.ca/volcanoes/cat/volcano_e.php?id=svb_tdm_080 Catalogue of Canadian volcanoes: Triangle Dome] {{Webarchive|url=https://web.archive.org/web/20071111155151/http://gsc.nrcan.gc.ca/volcanoes/cat/volcano_e.php?id=svb_tdm_080 |date=2007-11-11 }}