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Castle Rock State Park
Parking Lot Boulders
Groundation (aka Yabo Problem) v7

Groundation (aka Yabo Problem) v7

4.6
(10)
Start with a right-facing lieback at 5 feet and pull from edge to edge until you’re standing on top. While the neighboring tree is right there, you probably won’t be rubbing up against it
Groundation (aka Yabo Problem) v7, Castle Rock State Park - Beta Video from jcarlson08
Jason Carlson
@jcarlson08
Groundation (aka Yabo Problem) v7, Castle Rock State Park - Beta Video from Jacq56789
Jacques Rousseau
@Jacq56789
Groundation (aka Yabo Problem) v7, Castle Rock State Park - Beta Video from NewWaveBeta
Leonard Gomez
@NewWaveBeta
Groundation (aka Yabo Problem) v7, Castle Rock State Park - Beta Video from Ben.10
Benton Akka
@Ben.10
Groundation (aka Yabo Problem) v7, Castle Rock State Park - Beta Video from ericps
Eric Wong
@ericps
Beta Video for climb Groundation (aka Yabo Problem) v7, Castle Rock State Park
Beta Video for climb Groundation (aka Yabo Problem) v7, Castle Rock State Park
Leonard Gomez
@NewWaveBeta
Summer is upon us. Send away!!!

Recent Ascents for Groundation (aka Yabo Problem) v7

KAYA CLIMBER
DETAILS
DATE
ERIC WONG
@ericps
I thought this climb was too morpho a couple years ago, I must’ve grown
★ 4(v7, Solid)
8.16.2026
BENTON AKKA
@Ben.10
90° heat in the sun, fun times!
★ 5(v7, Solid)
8.10.2026
LEONARD GOMEZ
@NewWaveBeta
Summer is upon us. Send away!!!
★ 5(v7, Solid)
3.24.2026
JACQUES ROUSSEAU
@Jacq56789
Wiffed the first move once then it went pretty easily. Not so scary at my reach, just fun!
★ 4(v6, Solid)
2.8.2026
STEVEN SHIMIZU
@shimi
★ 5(v7, Solid)
9.8.2025
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