What is the largest volcano in close proximity to Calgary?

http://www.google.com/search?q=volcanoes+British+Columbia&tbm=isch&imgil=NMW5WF4JVaOHNM%253A%253Bhttps%253A%252F%252Fencrypted-tbn1.gstatic.com%252Fimages%253Fq%253Dtbn%253AANd9GcQhYJJGdzzx7PIRo_ROcvl-XZqxe7mFm84rQBa2vnVNxCtsoizHJA%253B544%253B613%253B1Ul-jMxo7e6LQM%253Bhttp%25253A%25252F%25252Fen.wikipedia.org%25252Fwiki%25252FVolcanology_of_Canada&source=iu&usg=__7N8M4lg9dz9-jrphWJn8IF6YB7A%3D&sa=X&ei=95WGU7e9FNOWqAav84IY&ved=0CEMQ9QEwBA&biw=1920&bih=955#facrc=_&imgdii=_&imgrc=NMW5WF4JVaOHNM%253A%3B1Ul-jMxo7e6LQM%3Bhttp%253A%252F%252Fupload.wikimedia.org%252Fwikipedia%252Fcommons%252Fa%252Fa0%252FNorthern_Cordilleran_Volcanic_Province_map.jpg%3Bhttp%253A%252F%252Fen.wikipedia.org%252Fwiki%252FVolcanology_of_Canada%3B544%3B613

Thanks Ms. Sue!

You're welcome, Dennis.