The Brothers Wilderness area is located in the Olympic National Forest

Olympic National Forest

Olympic National Forest is a U.S. National Forest located in Washington, USA. With an area of 633,677 acres , it nearly surrounds Olympic National Park and the Olympic Mountain range. Olympic National Forest contains parts of Clallam, Grays Harbor, Jefferson, and Mason counties...

 on the eastern side of the Olympic Peninsula south of Buckhorn Wilderness

Buckhorn Wilderness

The Buckhorn Wilderness is a mountainous wilderness area on the northeastern Olympic Peninsula in Washington, USA. Named after Buckhorn Mountain , the wilderness abuts the eastern boundary of Olympic National Park which includes nearby Mount Constance , Inner Constance , Warrior Peak , and Mount...

 and north of Mt. Skokomish Wilderness. The area was created in 1984 and now includes 166825 acres (675.1 km²). The Brothers wilderness is named after The Brothers peaks

The Brothers (Olympic Mountains)

The Brothers are a pair of prominent peaks in the Olympic Mountains which are located near the Hood Canal in Washington state on the boundary between Olympic National Park and The Brothers Wilderness....

 which are the tallest in the wilderness area at 6866 feet (2,092.8 m). The Duckabush river flows through the middle of the area. The area lies in the rain shadow of the Olympic Mountains

Olympic Mountains

The Olympic Mountains is a mountain range on the Olympic Peninsula of western Washington in the United States. The mountains, part of the Pacific Coast Ranges, are not especially high - Mount Olympus is the highest at - but the western slopes of the Olympics rise directly out of the Pacific...

.