Heart Peaks is at least long and no more than wide at its base. The west and east flanks of the volcano are dissected, giving it a rugged appearance. However, its north flank is rounded and relatively smooth while its south flank is rather pointed. The highest elevation of Heart Peaks is at a small peak roughly in the middle of its summit plateau while the regional elevation of the Nahlin Plateau is . This indicates that Heart Peaks has a topographic prominence of at least . More than 20 unnamed creeks flow from the volcano, which drain into the nearby Dudidontu and Sheslay rivers.