Caldera and Elysium. Each province contains a series of giant shield volcanoes that are similar to what we see on Earth and likely are the result of mantle hot spots. The surfaces are dominated by lava flows, and all have one or more collapse calderas. Mars has the largest volcano in the Solar System, Olympus Mons, which is more than three times the height of Mount Everest, with a diameter of 520 km (323 miles). The summit of the mountain has six nested calderas. Because there is no plate tectonics on Venus, heat is mainly lost by conduction through the lithosphere.
Mount Olympus (Washington) Congress designated 95% of the park as the Olympic Wilderness. Mount Olympus (Washington) Mount Olympus, at 7,980 feet, is the tallest and most prominent mountain in the Olympic Mountains of western Washington state. Located on the Olympic Peninsula, it is also the central feature of Olympic National Park. Mount Olympus is the highest summit of the Olympic Mountains; however, peaks such as Mount Constance, on the eastern margin of the range, are better known, being visible from the Seattle metropolitan area. With notable local relief, Mount Olympus ascends over from the elevation confluence of the Hoh River with Glacier Creek