Sign Up  /  Login

Nearby Letterboxes

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

(385 listings)

Letterbox name Found date Clue owner Location County Distance
Sandstone
Found: Jul 26, 2013
Adoptable
Planted: Nov 13, 2012
Sandstone Ranch Visitors Center
Longmont, CO
Weld 0Accuracy: Coordinate
Pixar Fun: Flik Loves Princess Atta
Found: Aug 2, 2013
Adoptable
Planted: Aug 22, 2011
Longmont, CO Boulder 3.1Accuracy: Town
Kids reading bugs
Retired: Apr 6, 2016
Adoptable
Planted: Oct 12, 2010
Longmont Public Library
Longmont, CO
Boulder 3.2Accuracy: Coordinate
Buffalo roam
Found: May 4, 2014
Adoptable
Planted: Nov 19, 2012
Longmont Museum
Longmont, CO
Boulder 3.2Accuracy: Coordinate
Discover Anubis
Found: Jul 19, 2013
Adoptable
Planted: Oct 31, 2012
Egyptian Imports by Discoveries, 454 Main St.
Longmont, CO
Boulder 3.2Accuracy: Address
Alaska Yin / Colorado Yang
Retired: Feb 25, 2016
Adoptable
Planted: Nov 16, 2008
Longmont, CO Boulder 3.3Accuracy: Town
Chief Left Hand
Attempted: Jan 31, 2010
Adoptable
Planted: Jan 25, 2005
Longmont, CO Boulder 3.3Accuracy: Town
Chilly Night - MISSING
Missing: Feb 6, 2016
Adoptable
Planted: Apr 8, 2006
Longmont, CO Boulder 3.3Accuracy: Town
Grandview Meadows
Attempted: Sep 22, 2010
Adoptable
Planted: Aug 9, 2008
Longmont, CO Boulder 3.3Accuracy: Town
Longmont History
Found: Jul 19, 2013
Adoptable
Planted: Apr 1, 2009
Longmont, CO Boulder 3.3Accuracy: Town
Red
Retired: Apr 6, 2016
Adoptable
Planted: Jan 9, 2006
Longmont?, CO Boulder 3.3Accuracy: Town
Right Brain
Retired: Apr 6, 2016
Adoptable
Planted: Apr 1, 2009
Longmont, CO Boulder 3.3Accuracy: Town
Roaring Waterfall
Attempted: Aug 25, 2012
Adoptable
Planted: Aug 8, 2008
Longmont, CO Boulder 3.3Accuracy: Town
Santa's Long Night
Found: Dec 29, 2008
Adoptable
Planted: Nov 24, 2008
Longmont, CO Boulder 3.3Accuracy: Town
St. Vrain Greenway (3)
Retired 3: Apr 7, 2016
Adoptable
Planted: Apr 1, 2009
Longmont, CO Boulder 3.3Accuracy: Town
The Ranting Raven
Retired: Apr 7, 2016
Adoptable
Planted: Apr 1, 2009
Longmont, CO Boulder 3.3Accuracy: Town
Nintendo Stars: Kirby
Missing: Jun 20, 2012
Adoptable
Planted: May 8, 2011
Harney park
Firestone, CO
Weld 6.4Accuracy: Town
Pelle Crossing
Unknown: Nov 24, 2013
Adoptable
Planted: Aug 27, 2005
Hygiene, CO Boulder 7.5Accuracy: Town
REB 6 (2)
Found 2: Jun 30, 2013
Adoptable
Planted: Aug 6, 2007
Hygiene, CO Boulder 7.5Accuracy: Town
Mountain Fountain GS77038
Planted: Nov 18, 2021
Mountain Fountain
Hygiene, Colorado, CO
Boulder 7.5Accuracy: Coordinate
Mountain Fountain GS77038
Planted: Nov 18, 2021
Mountain Fountain
Hygiene, Colorado, CO
Boulder 7.5Accuracy: Coordinate
Butterfly Trail
Missing: Apr 6, 2016
Adoptable
Planted: Jun 5, 2005
Niwot, CO Boulder 7.8Accuracy: Town
Cougar Pride
Retired: Apr 6, 2016
Adoptable
Planted: Jun 7, 2005
Niwot, CO Boulder 7.8Accuracy: Town
Niwot Cemetery
Found: Jan 13, 2022
Adoptable
Planted: Jul 30, 2005
Niwot, CO Boulder 7.8Accuracy: Town
A Favorite Book: Chrysanthemum Adoptable
Planted: May 1, 2010
Berthoud, CO Larimer 10.5Accuracy: Town
Twin Lakes Trail
Found: Oct 26, 2015
Adoptable
Planted: Mar 6, 2013
Gunbarrel/Twin Lakes
Boulder, CO
Boulder 10.9Accuracy: Street
Lafayette Tudor Rose ST-Ranger
Planted: Sep 28, 2019
171 W Baseline Rd, Lafayette, CO
Lafayette, CO
Boulder 11.3Accuracy: Address
Day of the Dead Letterbox #1: for our Moms
Found: Aug 29, 2015
Adoptable
Planted: Dec 1, 2014
Bella Frida Store
Louisville, CO
Boulder 11.6Accuracy: Coordinate
Being Prepared for 100 Years
Found: Sep 28, 2019
Adoptable
Planted: Jan 15, 2011
????
Lafayette, CO
Boulder 11.7Accuracy: Town
Birthday Girl Box
Retired: Apr 6, 2016
Adoptable
Planted: Jul 11, 2007
Lafayette, CO Boulder 11.7Accuracy: Town
Chubble
Attempted: Jun 9, 2007
Adoptable
Planted: Feb 11, 2007
Lafayette, CO Boulder 11.7Accuracy: Town
Elusive Venus
Missing: Sep 2, 2013
Adoptable
Planted: May 5, 2010
Lafayette, CO Boulder 11.7Accuracy: Town
His Daytime Resting Place
Retired: Mar 30, 2013
Adoptable
Planted: Oct 26, 2005
Lafayette, CO Boulder 11.7Accuracy: Town
John's First Birthday box
Missing: Apr 6, 2016
Adoptable
Planted: Aug 27, 2008
Lafayette, CO Boulder 11.7Accuracy: Town
Outliers: Tundra Swan
Found: Oct 13, 2013
Adoptable
Planted: Jul 3, 2011
Lafayette, CO Boulder 11.7Accuracy: Town
The "Box" Series (4)
Attempted 4: Aug 1, 2014
Adoptable
Planted: Aug 9, 2009
Lafayette, CO Boulder 11.7Accuracy: Town
Underground World
Found: Sep 28, 2019
Adoptable
Planted: Mar 26, 2008
Lafayette, CO Boulder 11.7Accuracy: Town
Hot Lips
Found: Aug 17, 2013
Adoptable
Planted: Jul 4, 2013
Coal Creek Trail
Lafayette, CO
Boulder 12.9Accuracy: Street
B.Y.D. #1
Attempted: Aug 4, 2013
Adoptable
Planted: Nov 15, 2007
Lyons, CO Boulder 12.9Accuracy: Town
Rabbit Mountain
Attempted: May 13, 2007
Adoptable
Planted: Oct 19, 2003
Lyons, CO Boulder 12.9Accuracy: Town
Rabbit Mountain: Pipkinā€™s Place
Retired: Jan 11, 2023
MileHighFive
Planted: Sep 19, 2009
Lyons, CO Boulder 12.9Accuracy: Town
COCo's - Weld (05/31/11--Possibly missing)
Missing: Feb 6, 2016
Adoptable
Planted: Jan 27, 2009
Fort Lupton, CO Weld 13.1Accuracy: Town
This Way 2011 Feet
Retired: Jan 17, 2014
Adoptable
Planted: Jan 29, 2011
Louisville, CO Boulder 13.4Accuracy: Town
Celtic Harp
Found: Jun 30, 2018
Front Range Hiker
Planted: Apr 19, 2006
Louisville, CO Boulder 13.4Accuracy: Town
Douglas County Open Space: Box 9 Hummers Paradise
Found: Oct 20, 2012
The Woodshed
Planted: Aug 19, 2011
Glendale Farm Open Space
Surrey Ridge, CO
Douglas 13.5Accuracy: Street
Scott Carpenter
Found: Sep 15, 2015
Silver Eagle
Planted: Jul 18, 2015
Centennial Park
Boulder, CO
Boulder 14.4Accuracy: Street
A Handy Roar Land Master of Sky
Planted: Nov 14, 2020
501 Dakota Blvd
Boulder, CO
Boulder 14.5Accuracy: Address
Mariquita
Retired: Apr 6, 2016
Adoptable
Planted: Sep 8, 2013
13705 Star Creek Drive
Broomfield, CO
Bent 14.6Accuracy: Address
Wild Ride Master of Sky
Planted: Oct 21, 2023
Wonderland Lake Playground
Boulder, CO
Boulder 15.2Accuracy: Unknown
Bolder Boulder
Retired: Apr 6, 2016
Adoptable
Planted: May 30, 2011
Folsom St & Stadium Dr
Boulder, CO
Boulder 15.6Accuracy: Address
777
Found 1: Jun 18, 2009
Adoptable
Planted: Jul 7, 2007
Boulder, CO Boulder 15.7Accuracy: Town
Celestial Tea Time
Found: Jul 2, 2023
Adoptable
Planted: Jun 24, 2007
Boulder, CO Boulder 15.7Accuracy: Town
888
Found 3: Jun 11, 2009
Adoptable
Planted: Aug 8, 2008
Boulder, CO Boulder 15.7Accuracy: Town
A Flower for John & Eva - Reported missing
Missing: Feb 6, 2016
Adoptable
Planted: Nov 11, 2005
Boulder, CO Boulder 15.7Accuracy: Town
A Road-Side Incident
Found: Apr 14, 2014
Adoptable
Planted: Dec 27, 2005
Boulder, CO Boulder 15.7Accuracy: Town
At Ease In Your Own Shell
Retired: Apr 6, 2016
Adoptable
Planted: Jun 18, 2011
Boulder, CO Boulder 15.7Accuracy: Town
Bellatrix Letterbox
Missing: Apr 6, 2016
Adoptable
Planted: Aug 31, 2008
Boulder, CO Boulder 15.7Accuracy: Town
Best seat in Town
Found: Jan 19, 2009
Adoptable
Planted: Nov 9, 2008
Boulder, CO Boulder 15.7Accuracy: Town
Boulder Bones
Found: Jan 23, 2011
katzenjammy
Planted: Oct 4, 2010
Boulder, CO Boulder 15.7Accuracy: Town
Boulder Safari 1
Found: May 26, 2019
Adoptable
Planted: Jul 25, 2009
Boulder, CO Boulder 15.7Accuracy: Town
Create More Art: My LASS
Found: Nov 5, 2013
Adoptable
Planted: Jul 21, 2011
Boulder, CO Boulder 15.7Accuracy: Town
Devil's Tower
Retired: Apr 6, 2016
Adoptable
Planted: Jan 25, 2008
Boulder, CO Boulder 15.7Accuracy: Town
Evergreen
Found: Oct 27, 2008
Adoptable
Planted: Jan 20, 2006
Boulder, CO Boulder 15.7Accuracy: Town
Feral Cat Letterbox Adoptable
Planted: Aug 20, 2005
Boulder, CO Boulder 15.7Accuracy: Town
Ferny -MISSING! - will replace ASAP
Retired: Feb 6, 2016
Adoptable
Planted: Jun 30, 2007
Boulder, CO Boulder 15.7Accuracy: Town
Fly, Be Free!
Found: May 19, 2010
Adoptable
Planted: Jan 13, 2006
Boulder, CO Boulder 15.7Accuracy: Town
Ham & Eggs
Retired: Jul 8, 2016
Adoptable
Planted: Aug 5, 2013
Boulder, CO Boulder 15.7Accuracy: Town
Hit and Run Arf
Attempted: Jun 18, 2014
Adoptable
Planted: Jun 20, 2008
Boulder, CO Boulder 15.7Accuracy: Town
Just Visiting
Found: Mar 15, 2015
Adoptable
Planted: Mar 7, 2007
Boulder, CO Boulder 15.7Accuracy: Town
Mesa Trail
Found: Jul 11, 2011
Adoptable
Planted: Sep 26, 2004
Boulder, CO Boulder 15.7Accuracy: Town
Mushroom Park
Found: Sep 18, 2005
Adoptable
Planted: Jul 27, 2005
Boulder, CO Boulder 15.7Accuracy: Town
Puzzling Bugs - Many boxes missing! 10/20/09 (6)
Retired 6: Jun 27, 2016
Adoptable
Planted: Mar 3, 2006
Boulder, CO Boulder 15.7Accuracy: Town
Sanitas Is My Home
Found: Apr 10, 2009
Adoptable
Planted: Sep 5, 2006
Boulder, CO Boulder 15.7Accuracy: Town
Scott Carpenter
Attempted: May 28, 2008
Adoptable
Planted: Jul 29, 2005
Boulder, CO Boulder 15.7Accuracy: Town
Soaring Snake - PULLED
Found: Sep 30, 2006
Adoptable
Planted: Apr 3, 2006
Boulder, CO Boulder 15.7Accuracy: Town
Southern Buffalo
Found: Oct 7, 2010
Woodland Wanderer
Planted: Apr 9, 2006
Boulder, CO Boulder 15.7Accuracy: Town
Spud Trooper Mini Me - MIA
Found: Nov 15, 2008
Adoptable
Planted: Jun 20, 2008
Boulder, CO Boulder 15.7Accuracy: Town
Sugarloaf Mountain Colorado
Found: May 26, 2019
Adoptable
Planted: Oct 28, 2009
Boulder, CO Boulder 15.7Accuracy: Town
Sunny and Share
Found: Oct 14, 2013
Adoptable
Planted: Jan 11, 2009
Boulder, CO Boulder 15.7Accuracy: Town
The Coyote's After You
Retired: Apr 7, 2016
Adoptable
Planted: Jan 25, 2008
Boulder, CO Boulder 15.7Accuracy: Town
Tulsa Boy Abroad #1: Tulsa Skyline *MISSING*
Missing: Feb 6, 2016
Adoptable
Planted: Jun 9, 2008
Boulder, CO Boulder 15.7Accuracy: Town
Two Niner Juliet
Found: Jan 19, 2010
Adoptable
Planted: Dec 30, 2004
Boulder, CO Boulder 15.7Accuracy: Town
The Summit Grover
Attempted: Aug 24, 2014
Adoptable
Planted: Sep 11, 2013
Summit Grove Park
Thorton, CO
Adams 16.1Accuracy: Intersection
LucyTheBug
Attempted: Feb 26, 2022
Lucy the Bug
Planted: Jan 1, 2021
Veterans Park
Brighton, CO
Adams 16.3Accuracy: Coordinate
Tom Horn
Found: Sep 15, 2015
Silver Eagle
Planted: Jul 17, 2015
Pioneer Cemetery
Boulder, CO
Boulder 16.5Accuracy: Coordinate
Here's to your next adventure! The Googly Crazies
Planted: Oct 15, 2017
Loveland, CO
Loveland, CO
Larimer 16.6Accuracy: Town
Swampy Beech Box Adoptable
Planted: Feb 20, 2016
Loveland, CO Larimer 16.6Accuracy: Town
A children's time in the stacks
Attempted: Jan 5, 2014
Alaska HSM
Planted: Jun 19, 2012
Loveland, CO Larimer 16.6Accuracy: Town
A Favorite Book: Charlotte's Web
Attempted: May 22, 2011
Adoptable
Planted: Mar 15, 2010
Loveland, CO Larimer 16.6Accuracy: Town
A tour of the stacks
Found: Jun 17, 2014
Alaska HSM
Planted: Jun 19, 2012
Loveland, CO Larimer 16.6Accuracy: Town
Buckhorn Northern
Attempted: Jul 25, 2017
Adoptable
Planted: May 3, 2008
Loveland, CO Larimer 16.6Accuracy: Town
Charlie's Charlotte
Retired: Apr 6, 2016
Front Range Hiker
Planted: Jun 14, 2009
Loveland, CO Larimer 16.6Accuracy: Town
Forever Young (Hometown Tribute II)
Found: Sep 13, 2009
Adoptable
Planted: Aug 10, 2009
Loveland, CO Larimer 16.6Accuracy: Town
GAQBE09: Gray Wolf In Colorado
Found: Apr 14, 2010
Adoptable
Planted: Nov 5, 2009
Loveland, CO Larimer 16.6Accuracy: Town
Heart o' the North Rodeo
Found: Feb 8, 2010
Adoptable
Planted: Aug 10, 2009
Loveland, CO Larimer 16.6Accuracy: Town
Jolly Roger letterbox
Attempted: Jun 18, 2013
Adoptable
Planted: Mar 27, 2008
Loveland, CO Larimer 16.6Accuracy: Town
Missing OBX: Blackbeard
Found: Mar 15, 2014
Adoptable
Planted: Jun 2, 2011
Loveland, CO Larimer 16.6Accuracy: Town
Missing OBX: Happy Belly Ice Cream
Retired: Apr 6, 2016
Adoptable
Planted: Jun 2, 2011
Loveland, CO Larimer 16.6Accuracy: Town
Share The Love
Attempted: Jul 6, 2007
CW Sun Seeker
Planted: Oct 4, 2004
Loveland, CO Larimer 16.6Accuracy: Town
The Big Thompson Flood
Found: Feb 26, 2016
Ramdelt
Planted: Jan 22, 2005
Loveland, CO Larimer 16.6Accuracy: Town