Flagg Mountain
Mountain in Washington · 3,914 ft
The hike up Flagg Mountain
The route starts at the nearest registered starting point — recommended parking for the shortest hike to the top.
Weather forecast
Next 10 daysParking and starting point
Check signage and any parking fees on site.
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Frequently asked questions
How high is Flagg Mountain?
Flagg Mountain is 3,914 ft above sea level and lies in Washington. Its prominence is 571 ft — how far the summit rises above the surrounding terrain.
How long is the hike up Flagg Mountain?
From the nearest registered starting point it is about 3.7 mi one way with 1,975 ft of ascent. Expect around 3 h 37 min round trip at a normal hiking pace.
Where do you park for Flagg Mountain?
The nearest parking is the parking area west of the peak — 3.7 mi on foot · ↑ 1,975 ft · about 3 h 37 min round trip. Alternative: Mazama Trailhead (southwest of the peak) (about 3.8 mi to the summit). In the Conquer app you get driving directions to the trailhead and a hiking route to the summit.
Can I log Flagg Mountain in Conquer?
Yes — Flagg Mountain is one of 49,213 peaks in United States in Conquer. On the summit, open the app and tap to log the conquest — GPS verifies you're really there. No one has logged this peak yet — you could be the first.
Conquer Flagg Mountain in the app
Check in on the summit, verified by GPS. Collect peaks across United States, build streaks and level up together with your friends.
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