Stock Photo - Mt. Rainier above the clouds. Rainier is the tallest mountain in th state of Washington about 55 miles southeast of Seattle. Mt. Rainier´s peak is 14,410 feet (4,392m.) above sea level. Mount Rainier is an active volcano which last erupted in 1894.

Stock Photo: Mt. Rainier above the clouds. Rainier is the tallest mountain in th state of Washington about 55 miles southeast of Seattle. Mt.