Big Basin SP (Bay Area) slabs?

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Messages 1 - 9 of total 9 in this topic
bchains

Trad climber
Bay Area, CA
Topic Author's Original Post - Dec 11, 2017 - 11:00am PT
I flew into SFO from the south and the flight went over Big Basin SP off HW 236 SW of Castle Rock. There are what appear to be some slabs or possibly more upright climbing areas in the park. I looked online and in the old Bruce Morris Skyline Blvd guidebook but can not find any info.

Anyone got beta on these spots? Coords:

37.211208, -122.212264

https://www.google.com/maps/search/37.211208,+-122.212264?sa=X&ved=0ahUKEwjAxZ7s0YLYAhWi8YMKHXouCp4Q8gEIKDAA

Handy dandy pic attached.
bryan
NutAgain!

Trad climber
South Pasadena, CA
Dec 11, 2017 - 11:16am PT
I don't know if this matches up to your photo, but when my kids were pretty little, we ended up doing a 6 mile hiking loop there in the rain, first part of it cross crountry, but following a trail on the way back. One part of this, we crossed a large series of slabs, super low angle (i.e. not remotely climbable - maybe 2nd class), but an interesting feature juxtaposed in the forest.

It might take me a few days to dig up the pics, and they might have been from a period when I lost all data (dropping a spinning external hard disk during a backup procedure... oops!)

Edit: After checking google maps 3D, looks like a couple of those slabs are a steeper than what we encountered :) I can't remember exactly where we went- lost in the haze of time.

Double-edit: LooksEasyFromHere - I think you are right. The slopes/high points we ventured through were close to the campground area where we started, and near the waterfall. The slabs in question here are more remote. I look forward to hearing if they turn out to be crumbly diatom hills or climbable features :)

looks easy from here

climber
Ben Lomond, CA
Dec 11, 2017 - 11:32am PT
NutAgain, you're probably thinking Slippery Rock on the Sequoia Trail, between 236 and Sempervirens Falls. I though that may have been the upper right circled feature in bchain's pic, but after further research it's not. Slippery Rock barely shows up on satellite.

So no, I have no idea what those are. But I'm about to have a lot of free time, my 3 year old has a sense of adventure, and I have a state parks pass. So I'll go check them out soon(ish), if no one beats me to it. Or even if someone beats me to it.

And thanks for bringing this up in prime tick season. :p
ontheedgeandscaredtodeath

Social climber
Wilds of New Mexico
Dec 11, 2017 - 11:48am PT
I look at that photo and the only thing I see is poison oak. Big Basin is a great SP, but I never ventured off any established trail!
hooblie

climber
from out where the anecdotes roam
Dec 11, 2017 - 11:49am PT
i lived/worked on rancho del oso for a couple years in the early 70's, had the run of the place, a dirt bike, a wad of gate keys
and thumbs up from the neighbors both north and south of the seven mile canyon draining big basin to waddell beach.

there are patches out there that are bare of any vegetation because they are actively eroding kitty litter, we called them the chalks.

suggest searching the sat image for those features in an effort to identify differentiating clues to apply to the prospective slabs.
the ridge that defines the southern boundary of the butano drainage reveals some of the same diatomaceous sediment (forget the name.)

perhaps the usgs surface geologic map of the area will help.
i sure wouldn't hesitate to embark on a recon out there, it's beautiful!
Bruce Morris

Trad climber
Soulsbyville, California
Dec 11, 2017 - 01:12pm PT
Dave Yerian and I took a bike ride down 9 to Big Basin Way and then up Jamison Creek Road (18% grade!) until we collided with Empire Grade. Up at the top of Jamison Creek Road is an old Nike Missile Base with some rocks scattered around in the trees to the east. Later, Al 'Dude' Swanson and myself went exploring up there and found some 50 ft high rather steep sandstone rocks, which we tried to top-rope. The rock was very coarse though and almost chewed through the TR rope, which would have deposited yours truly down in the bushes a hundred feet below.

However, the rocks you show in the Google map aren't the Nike Missile Base rocks. They seem to be an extension of the formation in the Aquarian Valley-Devil's Canyon area. You might be able to see them point-to-point from West Alpine Road down from where it intersects Skyline Boulevard (CA 35). Think I've seen them while biking up that way before. That's what I'd recommend to check them out. You never know till you look. Besides exploring is always a lot of fun even if you never find anything!
tornado

climber
lawrence kansas
Dec 11, 2017 - 02:23pm PT
they all look super low angle 2nd/3rd class if you use the 3d feature for Google earth app.
Bruce Morris

Trad climber
Soulsbyville, California
Dec 12, 2017 - 12:12pm PT
they all look super low angle 2nd/3rd class if you use the 3d feature for Google earth app.

Think you're right Tornado. It's a general rule of thumb that the further west you move away from the rocks along the spine of Skyline Boulevard, the worse the become in angle, size and quality.

Still, there may be some gems lurking out there in the dense brush.
looks easy from here

climber
Ben Lomond, CA
Dec 21, 2017 - 11:46am PT
Wow, perfect shot of all five of those features, NutAgain. They look pretty shallow (or should I say they "look easy from here" buh-dum-tsh). I think you may have just saved me from having to pull off about 500 ticks tomorrow.
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