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 ADVANCED
Trundle Dome
Routes Sorted
L to R R to L Alpha
April Mayhem T,S,TR 
Boot Top Fracture T,S,TR 
Bulkhead Blues T,S,TR 
Feet Fest S 
Flake Fest T,S,TR 
Hundred Dollar Dash T,S,TR 
Sonic Boom T,S,TR 
Sonic Fest TR 

Sonic Boom 

YDS: 5.10- French: 6a Ewbanks: 18 UIAA: VI+ ZA: 18 British: E1 5a

   
Type:  Trad, Sport, TR, 1 pitch, 75'
Consensus:  YDS: 5.10- French: 6a Ewbanks: 18 UIAA: VI+ ZA: 18 British: E1 5a [details]
FA: Viktor Kramar, Ben Stanton
Page Views: 443
Submitted By: Tom Bath on Nov 18, 2009

You & This Route  |  Other Opinions (16)
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This photo was taken from the base of "Flake ...

Description 

An hard, bouldery start leads to easier climbing up a flake followed by a small roof at the top.

Protection 

Gear to 2", 3 bolts, bolted anchor


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By Drederek
Oct 28, 2013
rating: 5.9 5c 17 VI 17 HVS 5a

There are some bolts that make it much easier to start about 4 feet left of the original start, much more in keeping with the rest of the route.
By Rohan Balakrishnan
Jun 20, 2014
rating: 5.10- 6a 18 VI+ 18 E1 5a

This route is a ton of fun. The start can feel a bit spicy since you'll take a pretty bad tumble if you fail to get to the first bolt. I'm 5'10'', and I was able to comfortably clip the first bolt before working the sequence leading up to the next bolt. This initial section felt like 10a/b given that it was slightly thin, but the rest felt like 5.8/5.9.

The mini-roof at the top can be protected by a #1 C4 before standing up to clip the bolt on the face above the roof.

All-in-all, great variety, and a lot of fun.