Thunderstone Quarries Canmore Ltd based in Canmore, is your source for top quality rundle rock. For over 45 years, we have supplied dealers, contractors and industries Rundle rock that are ideal for landscaping, masonry, and various other applications. Thunderstone Quarries has dealers across Western Canada as well as in the United States. Visit our website or give us a call to find the one closest to you. more... See more text