About Semidi Wilderness Area
The Semidi Wilderness Area encompasses nearly 125,000 acres of remote backcountry in Alaska, managed by the U.S. Fish and Wildlife Service as federally protected Wilderness. This is untracked, roadless country where motorized travel and mechanized equipment are prohibited—you move by foot, paddle, or packstock only. The landscape is rugged and wild, suited to backpackers and hikers seeking genuine solitude far from developed access.
Visiting means embracing true wilderness conditions. There are no maintained trails, no ranger stations, and no established infrastructure. Access typically requires air charter or boat to reach the perimeter, after which all travel is self-supported and Leave No Trace ethics are both the rule and the only management tool. Alaska's short summer window (June through September) offers the most feasible conditions; shoulder months are possible but bring longer darkness and unpredictable weather. Winter travel is severe and only for experienced arctic expeditioners. Plan conservatively, carry detailed maps, and be prepared for weather that can change rapidly in coastal Alaskan terrain.
Know before you go
2:30 PM
Sunrise
10:34 PM
Solar Noon
6:38 AM
Sunset
Golden Hour AM → 3:26 PM
Golden Hour PM ← 5:42 AM
🌖
Waning Gibbous
97% illuminated
Peak Season End
Closes in 61 days
July — July conditions
Plan Your Trip
Let Roamze help you plan the perfect adventure at Semidi Wilderness Area.
Start Planning