High Quality Content by WIKIPEDIA articles! Sahale Arm is part of Sahale Peak, which is located in the North Cascades National Park in northern Washington State. A wonderful hike which offers some of the best views of the North Cascades. There two ways to get up to the Top of Sahale Arm: The easiest and most popular is the Cascade Pass route; The longest route to Sahale Arm is by going up through the Stehekin Valley. Sahale Peak (also known as Sahale Mountain) is a jagged, glaciated mountain in the North Cascades National Park in northern Washington State. A popular climb just north of Cascade Pass, Sahale Peak rewards the adventurous with enjoyable climbing and amazing panoramic views of the surrounding area.