Deep Cut Guide

Longmont Bridge Cracks

1 route · Piney Creek Alluvium · 4,955 ft

Take me there Routes ↓ Directions

Help locate these routes: survey the wall

How well located

Crag only 1 

No route here has its own point yet. The map pin is the crag. At the wall? Survey it: 30 seconds per route.

Rock, from the geologic map

Piney Creek Alluvium. Holocene, younger than 12,000 years.

Dark-gray humic sandy to gravelley alluvium containing organic matter, such as roots. Underlies terraces whose surfaces are 10 to 20 feet (3 to 6 m) above a nearby flood plain. Upper part is characterized by weakly developed Brown soil; grades into collu

This is the map unit under this crag's map point, read from the 1:100,000 sheet (Colton, Roger B., 1976, U.S. Geological Survey Geologic Investigations Series I-855-G). The point can be a few hundred metres from the rock, a cliff often stands on the line between two units, and at that scale a line on the map is about 100 m wide on the ground, so the wall itself may be the neighbouring unit. Every crag on this unit: Piney Creek Alluvium. Geology data: Macrostrat (CC BY 4.0), serving USGS and Colorado Geological Survey maps.

On the map since 1904

The USGS has mapped this ground since 1904. 23 historical sheets cover this crag's map point; the oldest is below.

Thumbnail of the 1904 USGS sheet covering Longmont Bridge Cracks
USGS 1:62500-scale Quadrangle for Niwot, CO 1904 · U.S. Geological Survey · 1904 · 1:62,500 sheet
USGS Historical Topographic Map Collection · Public domain · the record · placed by its coordinates
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Hidden as soon as you tell us, everywhere it appears, before anyone reviews it.

Public domain, U.S. Geological Survey. The sheet shows the ground as the survey found it then, which is why a trail or road you know may be missing. Every sheet over this point, 1904 to 1984: USGS topoView.

Photographs near this crag

Taken within 1.5 km of this crag's map point and published under a licence that lets us show them, from Wikimedia Commons. The coordinates say where the camera was, not what it was pointed at, so some of these will be the creek or the trail rather than the rock.

T.M. Callahan House
T.M. Callahan House · Nyttend · 2009 · 465 m from the crag's map point
Wikimedia Commons · Public domain · the record · placed by its coordinates
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Callahan House By AJSchane · Onionhead19 · 2012 · 465 m from the crag's map point
Wikimedia Commons · CC BY-SA · the record · placed by its coordinates
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West Side Historic District, Longmont · User:Nyttend · 2009 · 601 m from the crag's map point
Wikimedia Commons · Public domain · the record · placed by its coordinates
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Dickens Opera House in Longmont · Nyttend · 2009 · 618 m from the crag's map point
Wikimedia Commons · Public domain · the record · placed by its coordinates
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Old Longmont Fire Department · Nyttend · 2009 · 658 m from the crag's map point
Wikimedia Commons · Public domain · the record · placed by its coordinates
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Longmont Fire Department · Scott Davis · 2012 · 658 m from the crag's map point
Wikimedia Commons · CC BY-SA · the record · placed by its coordinates
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Hidden as soon as you tell us, everywhere it appears, before anyone reviews it.

Longmont Carnegie Library · Nyttend · 2009 · 789 m from the crag's map point
Wikimedia Commons · Public domain · the record · placed by its coordinates
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LongmontCarnegieLibrary · Scott Davis · 2012 · 789 m from the crag's map point
Wikimedia Commons · CC BY-SA · the record · placed by its coordinates
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St. Stephen's Episcopal Church Longmont CO · Hustvedt · 835 m from the crag's map point
Wikimedia Commons · CC BY-SA · the record · placed by its coordinates
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5th and Main · Jayostrom · 2017 · 840 m from the crag's map point
Wikimedia Commons · CC BY-SA · the record · placed by its coordinates
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Longmont, United States (Unsplash MvIknBxI2eU) · Jeremy Thomas jeremythomasphoto · 2015 · 853 m from the crag's map point
Wikimedia Commons · CC0 · the record · placed by its coordinates
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Longmont star trails (Unsplash) · Jeremy Thomas jeremythomasphoto · 2016 · 853 m from the crag's map point
Wikimedia Commons · CC0 · the record · placed by its coordinates
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12 more on Commons.

Routes

Photos from climbers

No photos here yet. If you're at the crag, yours would be the first.

Pick a photo from your camera roll rather than taking one here: a picture taken inside a browser usually has no location saved in it, and we check that the photo was taken at this crag before publishing it. Photos of guidebook pages and topos are refused — they're the author's work. By sending one you're letting us publish it.

Nobody reviews these before they appear, so anyone can report one and it's hidden straight away — including you, if you change your mind, and including a photographer who finds their own picture here.

Taken at the crag by climbers and published as they sent them. Each one's own location had to be within 0.5 km of this crag before we accepted it. See something that shouldn't be here? Use Report this photo under it and it's hidden at once. Anything else, write to us.

Sun today
Wall direction not known yet.
Rain & forecast
No recent weather for this crag.

Conditions reported

Nothing reported recently.

Report what you see

Reports are dated and fade on their own: wet rock after 3 days, a bad bolt after a year. No names, no text.

Access & safety

Emergency: call 911. Read out your location: Works without signal. If GPS fails, this crag's approximate map point is 40.16048 N, 105.10677 W (Longmont Bridge Cracks). That point can be off by hundreds of metres, so say so.

We don't know who manages this ground: PAD-US doesn't map this point as protected land, which most often means it is private. Find out whose it is before you go.

Nobody has yet read the land manager's own rules for this crag and written them down here, so treat the above as where you are, not as what you may do.

Nearby, from OpenStreetMap

Toilets
681 m away (map)
Mapped parking
197 m away (map)

Distances are a straight line from this crag's map point, which can itself be hundreds of metres off; a road may be much longer. Mapped by OpenStreetMap contributors (ODbL), so a toilet missing here may simply be unmapped. Parking here is what OSM has drawn nearby, not a guidebook's directions.

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