Are you taking the 2021 NorCal Six-Pack of Peaks Challenge? Here you can see all the hikes logged in our 2021challenge, 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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![Annamarie Retzer](https://cdn1.socialhiker.net/wp-content/uploads/avatars/11735/602edb7190fbe-bpthumb.jpg)
Mt. Diablo – Devils Death Slide
Took Juniper up and around the hill. We spotted a trail to go up to the peake.. didn't realize it was Devils Death Slide. Once
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![Diane](https://cdn1.socialhiker.net/wp-content/uploads/avatars/11133/5ffabddb916ba-bpthumb.jpg)
Bagged 4 peaks in 1
Absolutely stunning autumn hike with perfect hiking weather. Surprised there were very few people on the trail on a Sunday. Beautiful diverse trail loop and
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![Jeannie Galarpe](https://cdn1.socialhiker.net/wp-content/uploads/avatars/11987/61a96d377d9b0-bpthumb.jpg)
Rock and Root Blue Crew – Mount Umunhum
This was a perfect day for a hike! Our day started off at 7 am and once again with the great directions provided by Social
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![Jeannie Galarpe](https://cdn1.socialhiker.net/wp-content/uploads/avatars/11987/61a96d377d9b0-bpthumb.jpg)
Rock and Root Blue Crew – Mission Peak
Our group decided to knock out two peaks in one day! Yes, we are crazy! Mission Peak was our second peak in the later afternoon.
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![Jennifer Park](https://cdn1.socialhiker.net/wp-content/uploads/avatars/12117/615d0b79a33d8-bpthumb.jpg)
Rock and Root Hikers
We did 2 hikes in one day; the first being Mount Umunhum being 8.27 total miles. It was a very nice leisurely hike. We looked
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![Jennifer Park](https://cdn1.socialhiker.net/wp-content/uploads/avatars/12117/615d0b79a33d8-bpthumb.jpg)
Rock and Root Hikers
We did 2 hikes this day; the first being Mount Umunhum and the second hike being Mission Peak. It was very hot on some parts