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Avalon tryol

Original Post
Scott McMahon · · Boulder, CO · Joined Feb 2006 · Points: 1,425

I'm personally not sure how to shore a tryol up, but if anyone is and happens to cross at Avalon the Tyrol is sagging. I thought it might be from morning moisture but at noon my feet were almost dragging in the water. Sure I could lose a few pounds and there is mountain runoff..haha

Either way it was worse than on Thursday

Happy 'merica everyone

Johanna Jones · · Unknown Hometown · Joined Sep 2011 · Points: 1,908

I've noticed this as well. I'd love to learn how to set up a tryol... Is there a group that goes out to do this, and if so, is this group on Meetup or something?

Scott McMahon · · Boulder, CO · Joined Feb 2006 · Points: 1,425

^^ yeah I'd love to help as well.

Mike Gilbert · · Bend, OR · Joined Jul 2013 · Points: 21

On the plus side when I was there a few weeks ago I got to splash my feet in the water as I crossed.

Rich Farnham · · Nederland, CO · Joined Aug 2002 · Points: 297

If this tyrol is sagging again I have serious concerns that the boulder on the north side of the tyrol is moving. A few weeks after replacing the rope (a few months ago), I noticed that it had gotten loose again. The knots hadn't moved, and I highly doubt the static rope is stretching. I tightened it up, but it seems that it is loose again. I looked for evidence that the boulder is moving (scratches on the rock, etc.) but couldn't find anything.

I'll try to get out soon to take a look at it. It's hard to say what the failure mode of that boulder would be. It's just perched on other boulders on the slope - it isn't really keyed into the hillside very well. It might just slide slowly down the hill, or it might fully let go with catastrophic results.

Scott McMahon · · Boulder, CO · Joined Feb 2006 · Points: 1,425
Rich Farnham wrote:If this tyrol is sagging again I have serious concerns that the boulder on the north side of the tyrol is moving. A few weeks after replacing the rope (a few months ago), I noticed that it had gotten loose again. The knots hadn't moved, and I highly doubt the static rope is stretching. I tightened it up, but it seems that it is loose again. I looked for evidence that the boulder is moving (scratches on the rock, etc.) but couldn't find anything. I'll try to get out soon to take a look at it. It's hard to say what the failure mode of that boulder would be. It's just perched on other boulders on the slope - it isn't really keyed into the hillside very well. It might just slide slowly down the hill, or it might fully let go with catastrophic results.
Man being tied into that line if that boulder falls into that river sounds horrifying. Thanks for addressing it.

Typically I wouldn't have thought too much about it, but I've never had my feet hit the water there or had to start pulling uphill while still over the water. That tyrol is usually my favorite river crossing.
Kelly P · · The Bubble, CO · Joined Oct 2011 · Points: 10

I was just up there and did not have any sagging on the line, certainly not enough to come anywhere near the water, so this is concerning news(considering how often I climb there :) ) The line itself looked solid, never thought about the boulder moving, that is mildly terrifying....

Scott McMahon · · Boulder, CO · Joined Feb 2006 · Points: 1,425
Kelly P wrote:I was just up there and did not have any sagging on the line, certainly not enough to come anywhere near the water, so this is concerning news(considering how often I climb there :) ) The line itself looked solid, never thought about the boulder moving, that is mildly terrifying....
I'm sure 185lbs. with a 20-30lb pound pack puts a little more on the line. :o)
Kelly P · · The Bubble, CO · Joined Oct 2011 · Points: 10

Ah true true, 110+20 lb pack at most. Although it is possible I am just woefully unobservant...hah

Guideline #1: Don't be a jerk.

Colorado
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