Mount Umunhum Hike Logs

Are you taking the Northern California Six-Pack of Peaks Challenge? Here you can see all the hikes logged in our 2020 challenge for Mount Umunhum, with the most recent at the top. Click on a hike log to see all the details, more photos and leave comments for the challengers.

Are you a Challenger? Log your hikes!  Not registered yet? Sign-up here by November 30, 2020.

Ready to hike Mount Umunhum? Get our detailed trail guide.

• All Peaks
• Mount Umunhum
• Mount Saint Helena
• Mount Tamalpais
• Mount Diablo
• Mount Sizer
• Rose Peak

Jan 29 2020

Sunny on Umunhum

By Madeline Prager

Jan 25 2020

Cubed it!! Mount Umunhum

By mari771

Jan 25 2020

Umm..un…hmmmm

By Shawn

Jan 19 2020

Brutalist architectural wonder in the Santa Cruz Mountains!

By James

Jan 19 2020

Up to Umunhum

By Jim

Jan 19 2020

Up to Umunhum

By Jim

Jan 19 2020

Mount Umunhum

By Jaime

Jan 18 2020

Snowy Umunhum

By Jeffrey

Jan 18 2020

Snowy hike to the ugly building

By Jamie

Jan 18 2020

Snowy Mt Homynym

By Dawn

• 1
• 2
• 3
• …
• 5
• Next »