Nearby Letterboxes
Note that distance is dependent on the accuracy of each clue, typically city center.
(362 listings)
Letterbox name | Found date | Clue owner | Location | County | Distance | |
---|---|---|---|---|---|---|
Buffalo roam Found: May 4, 2014 | — | Adoptable Planted: Nov 19, 2012 | Longmont Museum Longmont, CO | Boulder | 0 | |
Kids reading bugs Retired: Apr 6, 2016 | — | Adoptable Planted: Oct 12, 2010 | Longmont Public Library Longmont, CO | Boulder | 1.4 | |
Discover Anubis Found: Jul 19, 2013 | — | Adoptable Planted: Oct 31, 2012 | Egyptian Imports by Discoveries, 454 Main St. Longmont, CO | Boulder | 1.5 | |
Alaska Yin / Colorado Yang Retired: Feb 25, 2016 | — | Adoptable Planted: Nov 16, 2008 | Longmont, CO | Boulder | 1.5 | |
Chief Left Hand Attempted: Jan 31, 2010 | — | Adoptable Planted: Jan 25, 2005 | Longmont, CO | Boulder | 1.5 | |
Chilly Night - MISSING Missing: Feb 6, 2016 | — | Adoptable Planted: Apr 8, 2006 | Longmont, CO | Boulder | 1.5 | |
Grandview Meadows Attempted: Sep 22, 2010 | — | Adoptable Planted: Aug 9, 2008 | Longmont, CO | Boulder | 1.5 | |
Longmont History Found: Jul 19, 2013 | — | Adoptable Planted: Apr 1, 2009 | Longmont, CO | Boulder | 1.5 | |
Red Retired: Apr 6, 2016 | — | Adoptable Planted: Jan 9, 2006 | Longmont?, CO | Boulder | 1.5 | |
Right Brain Retired: Apr 6, 2016 | — | Adoptable Planted: Apr 1, 2009 | Longmont, CO | Boulder | 1.5 | |
Roaring Waterfall Attempted: Aug 25, 2012 | — | Adoptable Planted: Aug 8, 2008 | Longmont, CO | Boulder | 1.5 | |
Santa's Long Night Found: Dec 29, 2008 | — | Adoptable Planted: Nov 24, 2008 | Longmont, CO | Boulder | 1.5 | |
St. Vrain Greenway (3) Retired 3: Apr 7, 2016 | — | Adoptable Planted: Apr 1, 2009 | Longmont, CO | Boulder | 1.5 | |
The Ranting Raven Retired: Apr 7, 2016 | — | Adoptable Planted: Apr 1, 2009 | Longmont, CO | Boulder | 1.5 | |
Pixar Fun: Flik Loves Princess Atta Found: Aug 2, 2013 | — | Adoptable Planted: Aug 22, 2011 | Longmont, CO | Boulder | 1.5 | |
Sandstone Found: Jul 26, 2013 | — | Adoptable Planted: Nov 13, 2012 | Sandstone Ranch Visitors Center Longmont, CO | Weld | 3.2 | |
Butterfly Trail Missing: Apr 6, 2016 | — | Adoptable Planted: Jun 5, 2005 | Niwot, CO | Boulder | 4.7 | |
Cougar Pride Retired: Apr 6, 2016 | — | Adoptable Planted: Jun 7, 2005 | Niwot, CO | Boulder | 4.7 | |
Niwot Cemetery Found: Jan 13, 2022 | — | Adoptable Planted: Jul 30, 2005 | Niwot, CO | Boulder | 4.7 | |
Pelle Crossing Unknown: Nov 24, 2013 | — | Adoptable Planted: Aug 27, 2005 | Hygiene, CO | Boulder | 5.1 | |
REB 6 (2) Found 2: Jun 30, 2013 | — | Adoptable Planted: Aug 6, 2007 | Hygiene, CO | Boulder | 5.1 | |
Mountain Fountain | — | GS77038 Planted: Nov 18, 2021 | Mountain Fountain Hygiene, Colorado, CO | Boulder | 5.1 | |
Mountain Fountain | — | GS77038 Planted: Nov 18, 2021 | Mountain Fountain Hygiene, Colorado, CO | Boulder | 5.1 | |
Twin Lakes Trail Found: Oct 26, 2015 | — | Adoptable Planted: Mar 6, 2013 | Gunbarrel/Twin Lakes Boulder, CO | Boulder | 8 | |
Nintendo Stars: Kirby Missing: Jun 20, 2012 | — | Adoptable Planted: May 8, 2011 | Harney park Firestone, CO | Weld | 8.9 | |
Lafayette Tudor Rose | — | ST-Ranger Planted: Sep 28, 2019 | 171 W Baseline Rd, Lafayette, CO Lafayette, CO | Boulder | 10.1 | |
Day of the Dead Letterbox #1: for our Moms Found: Aug 29, 2015 | — | Adoptable Planted: Dec 1, 2014 | Bella Frida Store Louisville, CO | Boulder | 10.4 | |
Birthday Girl Box Retired: Apr 6, 2016 | — | Adoptable Planted: Jul 11, 2007 | Lafayette, CO | Boulder | 10.5 | |
Chubble Attempted: Jun 9, 2007 | — | Adoptable Planted: Feb 11, 2007 | Lafayette, CO | Boulder | 10.5 | |
Elusive Venus Missing: Sep 2, 2013 | — | Adoptable Planted: May 5, 2010 | Lafayette, CO | Boulder | 10.5 | |
His Daytime Resting Place Retired: Mar 30, 2013 | — | Adoptable Planted: Oct 26, 2005 | Lafayette, CO | Boulder | 10.5 | |
John's First Birthday box Missing: Apr 6, 2016 | — | Adoptable Planted: Aug 27, 2008 | Lafayette, CO | Boulder | 10.5 | |
Outliers: Tundra Swan Found: Oct 13, 2013 | — | Adoptable Planted: Jul 3, 2011 | Lafayette, CO | Boulder | 10.5 | |
The "Box" Series (4) Attempted 4: Aug 1, 2014 | — | Adoptable Planted: Aug 9, 2009 | Lafayette, CO | Boulder | 10.5 | |
Underground World Found: Sep 28, 2019 | — | Adoptable Planted: Mar 26, 2008 | Lafayette, CO | Boulder | 10.5 | |
Being Prepared for 100 Years Found: Sep 28, 2019 | — | Adoptable Planted: Jan 15, 2011 | ???? Lafayette, CO | Boulder | 10.5 | |
B.Y.D. #1 Attempted: Aug 4, 2013 | — | Adoptable Planted: Nov 15, 2007 | Lyons, CO | Boulder | 10.6 | |
Rabbit Mountain Attempted: May 13, 2007 | — | Adoptable Planted: Oct 19, 2003 | Lyons, CO | Boulder | 10.6 | |
Rabbit Mountain: Pipkinās Place Retired: Jan 11, 2023 | — | MileHighFive Planted: Sep 19, 2009 | Lyons, CO | Boulder | 10.6 | |
A Favorite Book: Chrysanthemum | — | Adoptable Planted: May 1, 2010 | Berthoud, CO | Larimer | 11.3 | |
A Handy Roar Land | — | Master of Sky Planted: Nov 14, 2020 | 501 Dakota Blvd Boulder, CO | Boulder | 11.3 | |
Hot Lips Found: Aug 17, 2013 | — | Adoptable Planted: Jul 4, 2013 | Coal Creek Trail Lafayette, CO | Boulder | 11.4 | |
Scott Carpenter Found: Sep 15, 2015 | — | Silver Eagle Planted: Jul 18, 2015 | Centennial Park Boulder, CO | Boulder | 11.7 | |
This Way 2011 Feet Retired: Jan 17, 2014 | — | Adoptable Planted: Jan 29, 2011 | Louisville, CO | Boulder | 11.7 | |
Celtic Harp Found: Jun 30, 2018 | — | Front Range Hiker Planted: Apr 19, 2006 | Louisville, CO | Boulder | 11.7 | |
Wild Ride | — | Master of Sky Planted: Oct 21, 2023 | Wonderland Lake Playground Boulder, CO | Boulder | 12.1 | |
Bolder Boulder Retired: Apr 6, 2016 | — | Adoptable Planted: May 30, 2011 | Folsom St & Stadium Dr Boulder, CO | Boulder | 12.8 | |
777 Attempted 1: Apr 13, 2024 | — | Adoptable Planted: Jul 7, 2007 | Boulder, CO | Boulder | 12.8 | |
Celestial Tea Time Found: Jul 2, 2023 | — | Adoptable Planted: Jun 24, 2007 | Boulder, CO | Boulder | 12.8 | |
888 Found 3: Jun 11, 2009 | — | Adoptable Planted: Aug 8, 2008 | Boulder, CO | Boulder | 12.8 | |
A Flower for John & Eva - Reported missing Missing: Feb 6, 2016 | — | Adoptable Planted: Nov 11, 2005 | Boulder, CO | Boulder | 12.8 | |
A Road-Side Incident Found: Apr 14, 2014 | — | Adoptable Planted: Dec 27, 2005 | Boulder, CO | Boulder | 12.8 | |
At Ease In Your Own Shell Retired: Apr 6, 2016 | — | Adoptable Planted: Jun 18, 2011 | Boulder, CO | Boulder | 12.8 | |
Bellatrix Letterbox Missing: Apr 6, 2016 | — | Adoptable Planted: Aug 31, 2008 | Boulder, CO | Boulder | 12.8 | |
Best seat in Town Found: Jan 19, 2009 | — | Adoptable Planted: Nov 9, 2008 | Boulder, CO | Boulder | 12.8 | |
Boulder Bones Found: Jan 23, 2011 | — | katzenjammy Planted: Oct 4, 2010 | Boulder, CO | Boulder | 12.8 | |
Boulder Safari 1 Found: Apr 13, 2024 | — | Adoptable Planted: Jul 25, 2009 | Boulder, CO | Boulder | 12.8 | |
Create More Art: My LASS Found: Nov 5, 2013 | — | Adoptable Planted: Jul 21, 2011 | Boulder, CO | Boulder | 12.8 | |
Devil's Tower Retired: Apr 6, 2016 | — | Adoptable Planted: Jan 25, 2008 | Boulder, CO | Boulder | 12.8 | |
Evergreen Found: Oct 27, 2008 | — | Adoptable Planted: Jan 20, 2006 | Boulder, CO | Boulder | 12.8 | |
Feral Cat Letterbox | — | Adoptable Planted: Aug 20, 2005 | Boulder, CO | Boulder | 12.8 | |
Ferny -MISSING! - will replace ASAP Retired: Feb 6, 2016 | — | Adoptable Planted: Jun 30, 2007 | Boulder, CO | Boulder | 12.8 | |
Fly, Be Free! Found: May 19, 2010 | — | Adoptable Planted: Jan 13, 2006 | Boulder, CO | Boulder | 12.8 | |
Ham & Eggs Retired: Jul 8, 2016 | — | Adoptable Planted: Aug 5, 2013 | Boulder, CO | Boulder | 12.8 | |
Hit and Run Arf Attempted: Jun 18, 2014 | — | Adoptable Planted: Jun 20, 2008 | Boulder, CO | Boulder | 12.8 | |
Just Visiting Found: Mar 15, 2015 | — | Adoptable Planted: Mar 7, 2007 | Boulder, CO | Boulder | 12.8 | |
Mesa Trail Found: Jul 11, 2011 | — | Adoptable Planted: Sep 26, 2004 | Boulder, CO | Boulder | 12.8 | |
Mushroom Park Found: Sep 18, 2005 | — | Adoptable Planted: Jul 27, 2005 | Boulder, CO | Boulder | 12.8 | |
Puzzling Bugs - Many boxes missing! 10/20/09 (6) Retired 6: Jun 27, 2016 | — | Adoptable Planted: Mar 3, 2006 | Boulder, CO | Boulder | 12.8 | |
Sanitas Is My Home Found: Apr 10, 2009 | — | Adoptable Planted: Sep 5, 2006 | Boulder, CO | Boulder | 12.8 | |
Scott Carpenter Attempted: May 28, 2008 | — | Adoptable Planted: Jul 29, 2005 | Boulder, CO | Boulder | 12.8 | |
Soaring Snake - PULLED Found: Sep 30, 2006 | — | Adoptable Planted: Apr 3, 2006 | Boulder, CO | Boulder | 12.8 | |
Southern Buffalo Found: Oct 7, 2010 | — | Woodland Wanderer Planted: Apr 9, 2006 | Boulder, CO | Boulder | 12.8 | |
Spud Trooper Mini Me - MIA Found: Nov 15, 2008 | — | Adoptable Planted: Jun 20, 2008 | Boulder, CO | Boulder | 12.8 | |
Sugarloaf Mountain Colorado Found: May 26, 2019 | — | Adoptable Planted: Oct 28, 2009 | Boulder, CO | Boulder | 12.8 | |
Sunny and Share Found: Oct 14, 2013 | — | Adoptable Planted: Jan 11, 2009 | Boulder, CO | Boulder | 12.8 | |
The Coyote's After You Retired: Apr 7, 2016 | — | Adoptable Planted: Jan 25, 2008 | Boulder, CO | Boulder | 12.8 | |
Tulsa Boy Abroad #1: Tulsa Skyline *MISSING* Missing: Feb 6, 2016 | — | Adoptable Planted: Jun 9, 2008 | Boulder, CO | Boulder | 12.8 | |
Two Niner Juliet Found: Jan 19, 2010 | — | Adoptable Planted: Dec 30, 2004 | Boulder, CO | Boulder | 12.8 | |
Tom Horn Found: Sep 15, 2015 | — | Silver Eagle Planted: Jul 17, 2015 | Pioneer Cemetery Boulder, CO | Boulder | 13.5 | |
Eben G. Fine Start Box | — | Adoptable Planted: Jun 30, 2013 | Eben G. Fine Park Boulder, CO | Boulder | 13.8 | |
Lyons Memorial Labyrinth, #1 | — | Adoptable Planted: Sep 11, 2015 | Lyons Park, S St Vrain Trail Lyons, CO | Boulder | 13.8 | |
Hangman Game 85 | — | Silver Eagle Planted: Jul 17, 2015 | Chautauqua Park Boulder, CO | Boulder | 13.9 | |
Mariquita Retired: Apr 6, 2016 | — | Adoptable Planted: Sep 8, 2013 | 13705 Star Creek Drive Broomfield, CO | Bent | 14.2 | |
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 | 14.5 | |
Carl Schurz Found: Mar 31, 2013 | — | Adoptable Planted: Jul 4, 2011 | NCAR Visitor Center Boulder, CO | Boulder | 14.8 | |
The Flatirons: Gizmo's Getaway OK: Aug 12, 2011 | — | MileHighFive Planted: Jul 10, 2011 | The Flatirons Boulder, CO | Boulder | 15 | |
Sawtooth Retired: Apr 6, 2016 | — | Adoptable Planted: Apr 29, 2007 | Jamestown, CO | Boulder | 15.4 | |
Aspire Higher Found: Jan 8, 2009 | — | Adoptable Planted: Aug 18, 2007 | Broomfield, CO | Boulder | 15.6 | |
GAQLBE08 Mountain to Mountain Attempted: Aug 10, 2013 | — | Front Range Hiker Planted: Oct 4, 2008 | Broomfield, CO | Bent | 15.6 | |
Grouron Jack's Found: Sep 7, 2013 | — | Adoptable Planted: Oct 4, 2010 | Broomfield, CO | Bent | 15.6 | |
In The Buff Attempted: Aug 10, 2013 | — | Adoptable Planted: May 5, 2010 | Broomfield, CO | Bent | 15.6 | |
The Bridge at Willow Run Attempted: Sep 7, 2013 | — | Adoptable Planted: Aug 5, 2010 | Broomfield, CO | Bent | 15.6 | |
Treasure at the Lake Found: Aug 16, 2010 | — | Adoptable Planted: Oct 7, 2009 | Broomfield, CO | Bent | 15.6 | |
COCo's - Weld (05/31/11--Possibly missing) Missing: Feb 6, 2016 | — | Adoptable Planted: Jan 27, 2009 | Fort Lupton, CO | Weld | 15.7 | |
The Summit Grover Attempted: Aug 24, 2014 | — | Adoptable Planted: Sep 11, 2013 | Summit Grove Park Thorton, CO | Adams | 16.5 | |
Bear Peek | — | Silver Eagle Planted: Jul 25, 2015 | Bear Peak Trail Boulder, CO | Boulder | 16.6 | |
PRA GirlScous (3) | — | Adoptable Planted: Apr 13, 2013 | East Lake Reservoir Thornton, CO | Adams | 17.1 | |
PRA GirlScous (3) | — | Adoptable Planted: Apr 13, 2013 | East Lake Reservoir Thornton, CO | Adams | 17.1 | |
PRA GirlScous (3) Retired 3: Apr 6, 2016 | — | Adoptable Planted: Apr 13, 2013 | East Lake Reservoir Thornton, CO | Adams | 17.1 |