Bay Area Challenge Overview > The Peaks > Mount Sizer
Mount Sizer may be little more than a highpoint on the Blue Ridge, but getting there is what makes this hike a challenge. You'll gain over 3,600 vertical feet in 15 miles, including a climb on one of the steepest trails in the Bay Area, affectionately called “The Shortcut.” Your legs will probably think of a better name for it. 😉
Did you know?
Henry Coe State Park is the largest in the California State Park system.
Mount Sizer Basics
- Summit elevation: 3,214′ (980 m)
- Vertical gain: 3,684′
- Hiking mileage: 15 miles
- Location: Henry W. Coe State Park
Hiking Mount Sizer
This loop hike gives you a grand tour that begins and ends at the park headquarters. There are several campgrounds along the route, so backpacking this loop is a viable option if you want to break it up over a couple of days. You'll climb and descend several times, which accounts for the over 3,600 feet of vertical you'll experience.
Trail Guides
Here are detailed trail guides to give you the information you need about each route:
- Hiking Mount Sizer Loop in Henry Coe State Park – via our sister site SoCalHiker
- Henry Coe: Mount Sizer – via Calipidder
Travel Time
- Drive time from San Francisco: 1 hour, 37 minutes (81 miles)
- Drive time from Oakland: 1 hour, 37 minutes (74 miles)
- Drive time from San Jose: 55 minutes (34 miles)
- Get turn-by-turn directions on Google Maps
Local Tips
- There is a day use fee, payable at the Visitor Center (open weekends) or at the “Iron Ranger” at other times.
- This trail is hot and exposed. There may be water at Pahjuello Spring or Coyote Creek, but be prepared to filter before drinking.
Latest Mount Sizer Trip Reports
These hike logs will give you a feel for what the current conditions are, and the experience from other Six-Pack of Peaks challengers.
Mount Sizer
Perfect day to take on the challenging Mount Sizer loop. It’s great to do this hike in Spring with the grasslands still green, the creeks
Getting Cut Down to Sizer
Just east of Morgan Creek, Mount Sizer may not match Diablo, Tamalpais and Saint Helena for eye-popping scenery, but it gave the masochist in me
They call it the beast. It was
Certainly one of the more challenging day hikes I’ve been on. It’s a beautiful state park. No views of any civilization. Wild flowers were blooming
Mt. Sizer Loop w/ Jackass
Ahhhhmazing hike….In part due to the fact that we took Friday off from work to do it. We left Santa Cruz at about 6:30 am;
Mt Sizer Hike – Sizes Your Stamina
Good weather and clean trail suitable for RV all the way up. Instead of continuous ascend this trail is equivalent of climbing 3 mountains up
February is perfect for Sizer
Described elsewhere as a ‘beast', this day hike is certainly a thing to plan for. We set off early at 8:30 am, choosing the perfect
The Six-Pack of Peaks Challenge
This hike is part of the San Francisco Bay Area Six-Pack of Peaks Challenge, a series of challenging hikes up six, diverse and scenic Bay Area mountains. Sign-up to take the challenge today!
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