 With an area of about and a volume of less than , Heart Peaks is the third-largest volcano in the Northern Cordilleran Volcanic Province, exceeded by the Mount Edziza and Level Mountain shields, which cover more than .Heart Peaks is over five times larger than the Mount Meager massif in southwestern British Columbia, the largest stratovolcano by volume in the Garibaldi Volcanic Belt.The area surrounding Heart Peaks is largely undeveloped, with Callison Ranch being the only locality.