Conquer Adams's glaciers are almost gone, shrinking by half in the last century, so the most popular route up the state's second-tallest mountain is actually nontechnical—no ropes needed, just a permit ($10 to $15). read more
The four highest mountains in Washington are potentially active stratovolcanos. Prior to its eruption in 1980, Mount St. Helens was the fifth-highest mountain in Washington at 9,677 ft (2,950 m), but it is now reduced to 8,365 ft (2,550 m), making it the 52nd highest peak in the state). read more