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Nearby Letterboxes

Note that distance is dependent on the accuracy of each clue, typically city center.

(495 listings)

Letterbox name Found date Clue owner Location County Distance
Celtic Harp
Found: Jun 30, 2018
Front Range Hiker
Planted: Apr 19, 2006
Louisville, CO Boulder 0Accuracy: Town
This Way 2011 Feet
Retired: Jan 17, 2014
Adoptable
Planted: Jan 29, 2011
Louisville, CO Boulder 0Accuracy: Town
Hot Lips
Found: Aug 17, 2013
Adoptable
Planted: Jul 4, 2013
Coal Creek Trail
Lafayette, CO
Boulder 1.3Accuracy: Street
Birthday Girl Box
Retired: Apr 6, 2016
Adoptable
Planted: Jul 11, 2007
Lafayette, CO Boulder 2.5Accuracy: Town
Chubble
Attempted: Jun 9, 2007
Adoptable
Planted: Feb 11, 2007
Lafayette, CO Boulder 2.5Accuracy: Town
Elusive Venus
Missing: Sep 2, 2013
Adoptable
Planted: May 5, 2010
Lafayette, CO Boulder 2.5Accuracy: Town
His Daytime Resting Place
Retired: Mar 30, 2013
Adoptable
Planted: Oct 26, 2005
Lafayette, CO Boulder 2.5Accuracy: Town
John's First Birthday box
Missing: Apr 6, 2016
Adoptable
Planted: Aug 27, 2008
Lafayette, CO Boulder 2.5Accuracy: Town
Outliers: Tundra Swan
Found: Oct 13, 2013
Adoptable
Planted: Jul 3, 2011
Lafayette, CO Boulder 2.5Accuracy: Town
The "Box" Series (4)
Attempted 4: Aug 1, 2014
Adoptable
Planted: Aug 9, 2009
Lafayette, CO Boulder 2.5Accuracy: Town
Underground World
Found: Sep 28, 2019
Adoptable
Planted: Mar 26, 2008
Lafayette, CO Boulder 2.5Accuracy: Town
Being Prepared for 100 Years
Found: Sep 28, 2019
Adoptable
Planted: Jan 15, 2011
????
Lafayette, CO
Boulder 2.5Accuracy: Town
Day of the Dead Letterbox #1: for our Moms
Found: Aug 29, 2015
Adoptable
Planted: Dec 1, 2014
Bella Frida Store
Louisville, CO
Boulder 2.5Accuracy: Coordinate
Lafayette Tudor Rose ST-Ranger
Planted: Sep 28, 2019
171 W Baseline Rd, Lafayette, CO
Lafayette, CO
Boulder 2.6Accuracy: Address
Aspire Higher
Found: Jan 8, 2009
Adoptable
Planted: Aug 18, 2007
Broomfield, CO Boulder 4.6Accuracy: Town
GAQLBE08 Mountain to Mountain
Attempted: Aug 10, 2013
Front Range Hiker
Planted: Oct 4, 2008
Broomfield, CO Bent 4.6Accuracy: Town
Grouron Jack's
Found: Sep 7, 2013
Adoptable
Planted: Oct 4, 2010
Broomfield, CO Bent 4.6Accuracy: Town
In The Buff
Attempted: Aug 10, 2013
Adoptable
Planted: May 5, 2010
Broomfield, CO Bent 4.6Accuracy: Town
The Bridge at Willow Run
Attempted: Sep 7, 2013
Adoptable
Planted: Aug 5, 2010
Broomfield, CO Bent 4.6Accuracy: Town
Treasure at the Lake
Found: Aug 16, 2010
Adoptable
Planted: Oct 7, 2009
Broomfield, CO Bent 4.6Accuracy: Town
Scott Carpenter
Found: Sep 15, 2015
Silver Eagle
Planted: Jul 18, 2015
Centennial Park
Boulder, CO
Boulder 5.5Accuracy: Street
Mariquita
Retired: Apr 6, 2016
Adoptable
Planted: Sep 8, 2013
13705 Star Creek Drive
Broomfield, CO
Bent 6.1Accuracy: Address
Twin Lakes Trail
Found: Oct 26, 2015
Adoptable
Planted: Mar 6, 2013
Gunbarrel/Twin Lakes
Boulder, CO
Boulder 6.7Accuracy: Street
Lakeside Journey
Found: Jun 21, 2012
Adoptable
Planted: Dec 29, 2010
98th Ave and Kline St
Westminster, CO
Jefferson 7.3Accuracy: Address
Bolder Boulder
Retired: Apr 6, 2016
Adoptable
Planted: May 30, 2011
Folsom St & Stadium Dr
Boulder, CO
Boulder 7.3Accuracy: Address
Carl Schurz
Found: Mar 31, 2013
Adoptable
Planted: Jul 4, 2011
NCAR Visitor Center
Boulder, CO
Boulder 7.6Accuracy: Coordinate
777
Found 1: Jun 18, 2009
Adoptable
Planted: Jul 7, 2007
Boulder, CO Boulder 7.8Accuracy: Town
Celestial Tea Time
Found: Jul 2, 2023
Adoptable
Planted: Jun 24, 2007
Boulder, CO Boulder 7.8Accuracy: Town
888
Found 3: Jun 11, 2009
Adoptable
Planted: Aug 8, 2008
Boulder, CO Boulder 7.8Accuracy: Town
A Flower for John & Eva - Reported missing
Missing: Feb 6, 2016
Adoptable
Planted: Nov 11, 2005
Boulder, CO Boulder 7.8Accuracy: Town
A Road-Side Incident
Found: Apr 14, 2014
Adoptable
Planted: Dec 27, 2005
Boulder, CO Boulder 7.8Accuracy: Town
At Ease In Your Own Shell
Retired: Apr 6, 2016
Adoptable
Planted: Jun 18, 2011
Boulder, CO Boulder 7.8Accuracy: Town
Bellatrix Letterbox
Missing: Apr 6, 2016
Adoptable
Planted: Aug 31, 2008
Boulder, CO Boulder 7.8Accuracy: Town
Best seat in Town
Found: Jan 19, 2009
Adoptable
Planted: Nov 9, 2008
Boulder, CO Boulder 7.8Accuracy: Town
Boulder Bones
Found: Jan 23, 2011
katzenjammy
Planted: Oct 4, 2010
Boulder, CO Boulder 7.8Accuracy: Town
Boulder Safari 1
Found: May 26, 2019
Adoptable
Planted: Jul 25, 2009
Boulder, CO Boulder 7.8Accuracy: Town
Create More Art: My LASS
Found: Nov 5, 2013
Adoptable
Planted: Jul 21, 2011
Boulder, CO Boulder 7.8Accuracy: Town
Devil's Tower
Retired: Apr 6, 2016
Adoptable
Planted: Jan 25, 2008
Boulder, CO Boulder 7.8Accuracy: Town
Evergreen
Found: Oct 27, 2008
Adoptable
Planted: Jan 20, 2006
Boulder, CO Boulder 7.8Accuracy: Town
Feral Cat Letterbox Adoptable
Planted: Aug 20, 2005
Boulder, CO Boulder 7.8Accuracy: Town
Ferny -MISSING! - will replace ASAP
Retired: Feb 6, 2016
Adoptable
Planted: Jun 30, 2007
Boulder, CO Boulder 7.8Accuracy: Town
Fly, Be Free!
Found: May 19, 2010
Adoptable
Planted: Jan 13, 2006
Boulder, CO Boulder 7.8Accuracy: Town
Ham & Eggs
Retired: Jul 8, 2016
Adoptable
Planted: Aug 5, 2013
Boulder, CO Boulder 7.8Accuracy: Town
Hit and Run Arf
Attempted: Jun 18, 2014
Adoptable
Planted: Jun 20, 2008
Boulder, CO Boulder 7.8Accuracy: Town
Just Visiting
Found: Mar 15, 2015
Adoptable
Planted: Mar 7, 2007
Boulder, CO Boulder 7.8Accuracy: Town
Mesa Trail
Found: Jul 11, 2011
Adoptable
Planted: Sep 26, 2004
Boulder, CO Boulder 7.8Accuracy: Town
Mushroom Park
Found: Sep 18, 2005
Adoptable
Planted: Jul 27, 2005
Boulder, CO Boulder 7.8Accuracy: Town
Puzzling Bugs - Many boxes missing! 10/20/09 (6)
Retired 6: Jun 27, 2016
Adoptable
Planted: Mar 3, 2006
Boulder, CO Boulder 7.8Accuracy: Town
Sanitas Is My Home
Found: Apr 10, 2009
Adoptable
Planted: Sep 5, 2006
Boulder, CO Boulder 7.8Accuracy: Town
Scott Carpenter
Attempted: May 28, 2008
Adoptable
Planted: Jul 29, 2005
Boulder, CO Boulder 7.8Accuracy: Town
Soaring Snake - PULLED
Found: Sep 30, 2006
Adoptable
Planted: Apr 3, 2006
Boulder, CO Boulder 7.8Accuracy: Town
Southern Buffalo
Found: Oct 7, 2010
Woodland Wanderer
Planted: Apr 9, 2006
Boulder, CO Boulder 7.8Accuracy: Town
Spud Trooper Mini Me - MIA
Found: Nov 15, 2008
Adoptable
Planted: Jun 20, 2008
Boulder, CO Boulder 7.8Accuracy: Town
Sugarloaf Mountain Colorado
Found: May 26, 2019
Adoptable
Planted: Oct 28, 2009
Boulder, CO Boulder 7.8Accuracy: Town
Sunny and Share
Found: Oct 14, 2013
Adoptable
Planted: Jan 11, 2009
Boulder, CO Boulder 7.8Accuracy: Town
The Coyote's After You
Retired: Apr 7, 2016
Adoptable
Planted: Jan 25, 2008
Boulder, CO Boulder 7.8Accuracy: Town
Tulsa Boy Abroad #1: Tulsa Skyline *MISSING*
Missing: Feb 6, 2016
Adoptable
Planted: Jun 9, 2008
Boulder, CO Boulder 7.8Accuracy: Town
Two Niner Juliet
Found: Jan 19, 2010
Adoptable
Planted: Dec 30, 2004
Boulder, CO Boulder 7.8Accuracy: Town
Hangman Game 85 Silver Eagle
Planted: Jul 17, 2015
Chautauqua Park
Boulder, CO
Boulder 8.1Accuracy: Coordinate
Tom Horn
Found: Sep 15, 2015
Silver Eagle
Planted: Jul 17, 2015
Pioneer Cemetery
Boulder, CO
Boulder 8.3Accuracy: Coordinate
The Flatirons: Gizmo's Getaway
OK: Aug 12, 2011
MileHighFive
Planted: Jul 10, 2011
The Flatirons
Boulder, CO
Boulder 8.6Accuracy: Coordinate
Bear Peek Silver Eagle
Planted: Jul 25, 2015
Bear Peak Trail
Boulder, CO
Boulder 8.8Accuracy: Street
Butterfly Trail
Missing: Apr 6, 2016
Adoptable
Planted: Jun 5, 2005
Niwot, CO Boulder 9Accuracy: Town
Cougar Pride
Retired: Apr 6, 2016
Adoptable
Planted: Jun 7, 2005
Niwot, CO Boulder 9Accuracy: Town
Niwot Cemetery
Found: Jan 13, 2022
Adoptable
Planted: Jul 30, 2005
Niwot, CO Boulder 9Accuracy: Town
Eben G. Fine Start Box Adoptable
Planted: Jun 30, 2013
Eben G. Fine Park
Boulder, CO
Boulder 9Accuracy: Coordinate
Wild Ride Master of Sky
Planted: Oct 21, 2023
Wonderland Lake Playground
Boulder, CO
Boulder 9.7Accuracy: Unknown
The Snail (Replanted 04/20/2009)
Attempted: May 6, 2010
Adoptable
Planted: Feb 23, 2008
Northglenn, CO Adams 9.8Accuracy: Town
RubberDuck804's first Letterbox RubberDuck804
Planted: Jul 4, 2021
highways pampering overtly
Arvada, CO
Jefferson 10.1Accuracy: Coordinate
PRA GirlScous (3) Adoptable
Planted: Apr 13, 2013
East Lake Reservoir
Thornton, CO
Adams 10.2Accuracy: Coordinate
PRA GirlScous (3) Adoptable
Planted: Apr 13, 2013
East Lake Reservoir
Thornton, CO
Adams 10.2Accuracy: Coordinate
PRA GirlScous (3)
Retired 3: Apr 6, 2016
Adoptable
Planted: Apr 13, 2013
East Lake Reservoir
Thornton, CO
Adams 10.2Accuracy: Coordinate
SS Adventurer
Missing: May 14, 2014
Adoptable
Planted: Oct 14, 2012
Eastlake Reservoir 3
Thornton, CO
Adams 10.2Accuracy: Coordinate
A Handy Roar Land Master of Sky
Planted: Nov 14, 2020
501 Dakota Blvd
Boulder, CO
Boulder 10.3Accuracy: Address
The Summit Grover
Attempted: Aug 24, 2014
Adoptable
Planted: Sep 11, 2013
Summit Grove Park
Thorton, CO
Adams 10.4Accuracy: Intersection
Lazy Labyrinth
Found: Mar 15, 2015
Adoptable
Planted: Dec 28, 2014
historic main street area (73rd)
Wesminster, CO
Adams 10.9Accuracy: Coordinate
BIG DRY CREEK (2)
Found 2: Apr 7, 2007
Adoptable
Planted: Sep 5, 2005
Westminster, CO Adams 11Accuracy: Town
Big Dry Creek
Missing: Apr 6, 2016
Adoptable
Planted: May 18, 2008
Westminster, CO Adams 11Accuracy: Town
Butterfly Garden Letterbox
Missing: Apr 1, 2023
Dr. Net
Planted: Feb 15, 2010
Westminster, CO Jefferson 11Accuracy: Town
Eagle Eyes (2)
Found 2: Feb 22, 2009
Adoptable
Planted: Feb 4, 2006
Westminster, CO Jefferson 11Accuracy: Town
Eagle Feather at McKay Lake
Retired: Aug 6, 2011
Xanadu
Planted: Apr 28, 2008
Westminster, CO Adams 11Accuracy: Town
Home Farm Adoptable
Planted: Oct 25, 2006
Westminster, CO Adams 11Accuracy: Town
Horton Hears a Who
Found: Mar 24, 2014
Adoptable
Planted: Aug 3, 2009
Westminster, CO Adams 11Accuracy: Town
I Found Rosie
Retired: Jun 3, 2013
The Woodshed
Planted: Not specified
Westminster, CO Adams 11Accuracy: Town
I'm MAD but I'm not worried
Retired: Apr 6, 2016
Adoptable
Planted: Apr 23, 2009
Westminster, CO Adams 11Accuracy: Town
Nala Awaits Her Beau
Retired: Apr 6, 2016
The Woodshed
Planted: Not specified
Westminster, CO Adams 11Accuracy: Town
RIP Jennifer #1: To See How We’re Ending Our Last
Found: Jul 4, 2016
Freelance Mystic
Planted: May 21, 2011
Westminster, CO Adams 11Accuracy: Town
Singing Daisy
Retired: Apr 6, 2016
The Woodshed
Planted: Not specified
Westminster, CO Adams 11Accuracy: Town
Singing Donald
Found: Jul 11, 2014
The Woodshed
Planted: Not specified
Westminster, CO Adams 11Accuracy: Town
The Purloined Pig
Attempted: Nov 22, 2008
Adoptable
Planted: Oct 13, 2007
Westminster, CO Adams 11Accuracy: Town
This Way 2009 Feet
Retired: Jan 17, 2014
Adoptable
Planted: Jan 1, 2009
Westminster, CO Adams 11Accuracy: Town
You Spin Me Round
Missing: Sep 2, 2013
Adoptable
Planted: Apr 16, 2010
Westminster, CO Adams 11Accuracy: Town
"Lady of the Lake"
Retired: Aug 6, 2011
Xanadu
Planted: Aug 8, 2009
Thornton, CO Adams 11.4Accuracy: Town
Cat in the Hat Colorado
Retired: Apr 6, 2016
Adoptable
Planted: Jul 16, 2009
Thornton, CO Adams 11.4Accuracy: Town
Higher Powered Letterbox
Found: Mar 25, 2008
Adoptable
Planted: Apr 28, 2007
Thornton, CO Adams 11.4Accuracy: Town
Molly Dog
Missing: May 24, 2013
Adoptable
Planted: Aug 26, 2010
Thornton, CO Adams 11.4Accuracy: Town
Signal Trail
Retired: Jan 17, 2014
Adoptable
Planted: Apr 28, 2007
Thornton, CO Adams 11.4Accuracy: Town
Buffalo roam
Found: May 4, 2014
Adoptable
Planted: Nov 19, 2012
Longmont Museum
Longmont, CO
Boulder 11.7Accuracy: Coordinate
Hooray for Girl Scouts
Attempted: Jan 22, 2017
Adoptable
Planted: Oct 23, 2016
10001 West 58th Ave
ARVADA, CO
Jefferson 12.2Accuracy: Address
North Table Mountain
Found: Apr 8, 2017
Adoptable
Planted: Aug 16, 2016
Sunrise Ridge Park
Golden, CO
Jefferson 12.2Accuracy: Coordinate