Are you taking the 2021 NorCal Six-Pack of Peaks Challenge? Here you can see all the hikes logged in our 2021 challenge, with the most recent at the top. If you want to view logged hikes for just one of the peaks, click the mountain name. Click on a hike log to see all the details, more photos and leave comments for the challengers.
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Ready to hike Mount Umunhum? Get our detailed trail guide.
First one down
First hike of the year.  Cold, mostly cloudy day, only in the 30’s at noon near the summit, but that didn’t stop the crowds.  Very
Three times a charm
Third time to summit to the Box and in my favorite kind of weather- fog! 8 miles up and 8 miles down. That easy!
Mt. Um
Great Hike with lots of foliage.  The fogged rolled in just before we hit the summit so we did not have a view from
Foggy Umhumdumdum
Very foggy and extremely cold at the top, but over all a great 16 mile hike with my lady and friends 🙂
Mt Foggy Ummahummm
Mt Um gave me frostbite 🙂 so cold at the summit, and a lot of traffic on the way down, but still a good hike
Team On The Rocks Take The Mt Umunhum Challenge
Ten of us women aged 53 – 69 have taken on the challenge. We've dubbed ourselves Team on the Rocks and we like to have
