Learn about the "blast zone," mudflows, pyroclastic flows, biological regeneration and the largest avalanche recorded by man. The immense effects from the eruption of Mount Saint Helens on the surrounding region must be seen to be appreciated. Many incredible photo stops including the new Johnston Ridge Observatory. Full day $59.50 + $8.00 monument entrance fee.
Learn about the "blast zone," mudflows, pyroclastic flows, biological regeneration and the largest avalanche recorded by man. The immense effects from the eruption of Mount Saint Helens on the surrounding region must be seen to be appreciated. Many incredible photo stops including the new Johnston Ridge Observatory. Full day $59.50 + $8.00 monument entrance fee.
