Nearby Letterboxes
Note that distance is dependent on the accuracy of each clue, typically city center.
(478 listings)
Letterbox name | Found date | Clue owner | Location | County | Distance | |
---|---|---|---|---|---|---|
Carl Schurz Found: Mar 31, 2013 | — | Adoptable Planted: Jul 4, 2011 | NCAR Visitor Center Boulder, CO | Boulder | 0 | |
The Flatirons: Gizmo's Getaway OK: Aug 12, 2011 | — | MileHighFive Planted: Jul 10, 2011 | The Flatirons Boulder, CO | Boulder | 1.2 | |
Hangman Game 85 | — | Silver Eagle Planted: Jul 17, 2015 | Chautauqua Park Boulder, CO | Boulder | 1.5 | |
Bear Peek | — | Silver Eagle Planted: Jul 25, 2015 | Bear Peak Trail Boulder, CO | Boulder | 1.7 | |
Tom Horn Found: Sep 15, 2015 | — | Silver Eagle Planted: Jul 17, 2015 | Pioneer Cemetery Boulder, CO | Boulder | 2.1 | |
Bolder Boulder Retired: Apr 6, 2016 | — | Adoptable Planted: May 30, 2011 | Folsom St & Stadium Dr Boulder, CO | Boulder | 2.3 | |
888 Found 3: Jun 11, 2009 | — | Adoptable Planted: Aug 8, 2008 | Boulder, CO | Boulder | 2.5 | |
A Flower for John & Eva - Reported missing Missing: Feb 6, 2016 | — | Adoptable Planted: Nov 11, 2005 | Boulder, CO | Boulder | 2.5 | |
A Road-Side Incident Found: Apr 14, 2014 | — | Adoptable Planted: Dec 27, 2005 | Boulder, CO | Boulder | 2.5 | |
At Ease In Your Own Shell Retired: Apr 6, 2016 | — | Adoptable Planted: Jun 18, 2011 | Boulder, CO | Boulder | 2.5 | |
Bellatrix Letterbox Missing: Apr 6, 2016 | — | Adoptable Planted: Aug 31, 2008 | Boulder, CO | Boulder | 2.5 | |
Best seat in Town Found: Jan 19, 2009 | — | Adoptable Planted: Nov 9, 2008 | Boulder, CO | Boulder | 2.5 | |
Boulder Bones Found: Jan 23, 2011 | — | katzenjammy Planted: Oct 4, 2010 | Boulder, CO | Boulder | 2.5 | |
Boulder Safari 1 Found: May 26, 2019 | — | Adoptable Planted: Jul 25, 2009 | Boulder, CO | Boulder | 2.5 | |
Create More Art: My LASS Found: Nov 5, 2013 | — | Adoptable Planted: Jul 21, 2011 | Boulder, CO | Boulder | 2.5 | |
Devil's Tower Retired: Apr 6, 2016 | — | Adoptable Planted: Jan 25, 2008 | Boulder, CO | Boulder | 2.5 | |
Evergreen Found: Oct 27, 2008 | — | Adoptable Planted: Jan 20, 2006 | Boulder, CO | Boulder | 2.5 | |
Feral Cat Letterbox | — | Adoptable Planted: Aug 20, 2005 | Boulder, CO | Boulder | 2.5 | |
Ferny -MISSING! - will replace ASAP Retired: Feb 6, 2016 | — | Adoptable Planted: Jun 30, 2007 | Boulder, CO | Boulder | 2.5 | |
Fly, Be Free! Found: May 19, 2010 | — | Adoptable Planted: Jan 13, 2006 | Boulder, CO | Boulder | 2.5 | |
Ham & Eggs Retired: Jul 8, 2016 | — | Adoptable Planted: Aug 5, 2013 | Boulder, CO | Boulder | 2.5 | |
Hit and Run Arf Attempted: Jun 18, 2014 | — | Adoptable Planted: Jun 20, 2008 | Boulder, CO | Boulder | 2.5 | |
Just Visiting Found: Mar 15, 2015 | — | Adoptable Planted: Mar 7, 2007 | Boulder, CO | Boulder | 2.5 | |
Mesa Trail Found: Jul 11, 2011 | — | Adoptable Planted: Sep 26, 2004 | Boulder, CO | Boulder | 2.5 | |
Mushroom Park Found: Sep 18, 2005 | — | Adoptable Planted: Jul 27, 2005 | Boulder, CO | Boulder | 2.5 | |
Puzzling Bugs - Many boxes missing! 10/20/09 (6) Retired 6: Jun 27, 2016 | — | Adoptable Planted: Mar 3, 2006 | Boulder, CO | Boulder | 2.5 | |
Sanitas Is My Home Found: Apr 10, 2009 | — | Adoptable Planted: Sep 5, 2006 | Boulder, CO | Boulder | 2.5 | |
Scott Carpenter Attempted: May 28, 2008 | — | Adoptable Planted: Jul 29, 2005 | Boulder, CO | Boulder | 2.5 | |
Soaring Snake - PULLED Found: Sep 30, 2006 | — | Adoptable Planted: Apr 3, 2006 | Boulder, CO | Boulder | 2.5 | |
Southern Buffalo Found: Oct 7, 2010 | — | Woodland Wanderer Planted: Apr 9, 2006 | Boulder, CO | Boulder | 2.5 | |
Spud Trooper Mini Me - MIA Found: Nov 15, 2008 | — | Adoptable Planted: Jun 20, 2008 | Boulder, CO | Boulder | 2.5 | |
Sugarloaf Mountain Colorado Found: May 26, 2019 | — | Adoptable Planted: Oct 28, 2009 | Boulder, CO | Boulder | 2.5 | |
Sunny and Share Found: Oct 14, 2013 | — | Adoptable Planted: Jan 11, 2009 | Boulder, CO | Boulder | 2.5 | |
The Coyote's After You Retired: Apr 7, 2016 | — | Adoptable Planted: Jan 25, 2008 | Boulder, CO | Boulder | 2.5 | |
Tulsa Boy Abroad #1: Tulsa Skyline *MISSING* Missing: Feb 6, 2016 | — | Adoptable Planted: Jun 9, 2008 | Boulder, CO | Boulder | 2.5 | |
Two Niner Juliet Found: Jan 19, 2010 | — | Adoptable Planted: Dec 30, 2004 | Boulder, CO | Boulder | 2.5 | |
777 Found 1: Jun 18, 2009 | — | Adoptable Planted: Jul 7, 2007 | Boulder, CO | Boulder | 2.5 | |
Celestial Tea Time Found: Jul 2, 2023 | — | Adoptable Planted: Jun 24, 2007 | Boulder, CO | Boulder | 2.5 | |
Eben G. Fine Start Box | — | Adoptable Planted: Jun 30, 2013 | Eben G. Fine Park Boulder, CO | Boulder | 2.6 | |
Scott Carpenter Found: Sep 15, 2015 | — | Silver Eagle Planted: Jul 18, 2015 | Centennial Park Boulder, CO | Boulder | 3.2 | |
Wild Ride | — | Master of Sky Planted: Oct 21, 2023 | Wonderland Lake Playground Boulder, CO | Boulder | 4.9 | |
A Handy Roar Land | — | Master of Sky Planted: Nov 14, 2020 | 501 Dakota Blvd Boulder, CO | Boulder | 6.1 | |
Twin Lakes Trail Found: Oct 26, 2015 | — | Adoptable Planted: Mar 6, 2013 | Gunbarrel/Twin Lakes Boulder, CO | Boulder | 6.8 | |
This Way 2011 Feet Retired: Jan 17, 2014 | — | Adoptable Planted: Jan 29, 2011 | Louisville, CO | Boulder | 7.6 | |
Celtic Harp Found: Jun 30, 2018 | — | Front Range Hiker Planted: Apr 19, 2006 | Louisville, CO | Boulder | 7.6 | |
Hot Lips Found: Aug 17, 2013 | — | Adoptable Planted: Jul 4, 2013 | Coal Creek Trail Lafayette, CO | Boulder | 8.9 | |
Lafayette Tudor Rose | — | ST-Ranger Planted: Sep 28, 2019 | 171 W Baseline Rd, Lafayette, CO Lafayette, CO | Boulder | 9.8 | |
Day of the Dead Letterbox #1: for our Moms Found: Aug 29, 2015 | — | Adoptable Planted: Dec 1, 2014 | Bella Frida Store Louisville, CO | Boulder | 9.8 | |
Birthday Girl Box Retired: Apr 6, 2016 | — | Adoptable Planted: Jul 11, 2007 | Lafayette, CO | Boulder | 9.9 | |
Chubble Attempted: Jun 9, 2007 | — | Adoptable Planted: Feb 11, 2007 | Lafayette, CO | Boulder | 9.9 | |
Elusive Venus Missing: Sep 2, 2013 | — | Adoptable Planted: May 5, 2010 | Lafayette, CO | Boulder | 9.9 | |
His Daytime Resting Place Retired: Mar 30, 2013 | — | Adoptable Planted: Oct 26, 2005 | Lafayette, CO | Boulder | 9.9 | |
John's First Birthday box Missing: Apr 6, 2016 | — | Adoptable Planted: Aug 27, 2008 | Lafayette, CO | Boulder | 9.9 | |
Outliers: Tundra Swan Found: Oct 13, 2013 | — | Adoptable Planted: Jul 3, 2011 | Lafayette, CO | Boulder | 9.9 | |
The "Box" Series (4) Attempted 4: Aug 1, 2014 | — | Adoptable Planted: Aug 9, 2009 | Lafayette, CO | Boulder | 9.9 | |
Underground World Found: Sep 28, 2019 | — | Adoptable Planted: Mar 26, 2008 | Lafayette, CO | Boulder | 9.9 | |
Being Prepared for 100 Years Found: Sep 28, 2019 | — | Adoptable Planted: Jan 15, 2011 | ???? Lafayette, CO | Boulder | 9.9 | |
Keep Them Doggies Rollin Found: Aug 29, 2015 | — | Silver Eagle Planted: Jul 30, 2015 | White Ranch Park Golden, CO | Jefferson | 10.2 | |
Butterfly Trail Missing: Apr 6, 2016 | — | Adoptable Planted: Jun 5, 2005 | Niwot, CO | Boulder | 10.3 | |
Cougar Pride Retired: Apr 6, 2016 | — | Adoptable Planted: Jun 7, 2005 | Niwot, CO | Boulder | 10.3 | |
Niwot Cemetery Found: Jan 13, 2022 | — | Adoptable Planted: Jul 30, 2005 | Niwot, CO | Boulder | 10.3 | |
Aspire Higher Found: Jan 8, 2009 | — | Adoptable Planted: Aug 18, 2007 | Broomfield, CO | Boulder | 10.7 | |
GAQLBE08 Mountain to Mountain Attempted: Aug 10, 2013 | — | Front Range Hiker Planted: Oct 4, 2008 | Broomfield, CO | Bent | 10.7 | |
Grouron Jack's Found: Sep 7, 2013 | — | Adoptable Planted: Oct 4, 2010 | Broomfield, CO | Bent | 10.7 | |
In The Buff Attempted: Aug 10, 2013 | — | Adoptable Planted: May 5, 2010 | Broomfield, CO | Bent | 10.7 | |
The Bridge at Willow Run Attempted: Sep 7, 2013 | — | Adoptable Planted: Aug 5, 2010 | Broomfield, CO | Bent | 10.7 | |
Treasure at the Lake Found: Aug 16, 2010 | — | Adoptable Planted: Oct 7, 2009 | Broomfield, CO | Bent | 10.7 | |
Sawtooth Retired: Apr 6, 2016 | — | Adoptable Planted: Apr 29, 2007 | Jamestown, CO | Boulder | 11.2 | |
Lakeside Journey Found: Jun 21, 2012 | — | Adoptable Planted: Dec 29, 2010 | 98th Ave and Kline St Westminster, CO | Jefferson | 11.4 | |
Funky Town Found: Jul 5, 2018 | — | Adoptable Planted: Apr 8, 2014 | Nederland, CO | Boulder | 12.2 | |
Lakewood Jail Found: Oct 22, 2021 | — | Adoptable Planted: Mar 28, 2014 | Nederland, CO | Boulder | 12.2 | |
Raccoon Trail Found: Apr 11, 2015 | — | Adoptable Planted: Jun 11, 2011 | Golden Gate Canyon State Park Golden, CO | Gilpin | 12.2 | |
The Man Who Loved Cats Dancing Retired: Apr 7, 2016 | — | Adoptable Planted: Sep 3, 2007 | Nederland, CO | Boulder | 12.5 | |
North Table Mountain Found: Apr 8, 2017 | — | Adoptable Planted: Aug 16, 2016 | Sunrise Ridge Park Golden, CO | Jefferson | 12.6 | |
Mariquita Retired: Apr 6, 2016 | — | Adoptable Planted: Sep 8, 2013 | 13705 Star Creek Drive Broomfield, CO | Bent | 13.5 | |
RubberDuck804's first Letterbox | — | RubberDuck804 Planted: Jul 4, 2021 | highways pampering overtly Arvada, CO | Jefferson | 14.1 | |
Lyons Memorial Labyrinth, #1 | — | Adoptable Planted: Sep 11, 2015 | Lyons Park, S St Vrain Trail Lyons, CO | Boulder | 14.4 | |
Buffalo roam Found: May 4, 2014 | — | Adoptable Planted: Nov 19, 2012 | Longmont Museum Longmont, CO | Boulder | 14.8 | |
Hooray for Girl Scouts Attempted: Jan 22, 2017 | — | Adoptable Planted: Oct 23, 2016 | 10001 West 58th Ave ARVADA, CO | Jefferson | 15 | |
Apollo 13 Found: Jul 15, 2023 | — | Silver Eagle Planted: Jul 22, 2015 | Mount Olivet Cemetery Wheat Ridge, CO | Jefferson | 15.2 | |
Lazy Labyrinth Found: Mar 15, 2015 | — | Adoptable Planted: Dec 28, 2014 | historic main street area (73rd) Wesminster, CO | Adams | 15.3 | |
Mountain Fountain | — | GS77038 Planted: Nov 18, 2021 | Mountain Fountain Hygiene, Colorado, CO | Boulder | 15.4 | |
Mountain Fountain | — | GS77038 Planted: Nov 18, 2021 | Mountain Fountain Hygiene, Colorado, CO | Boulder | 15.4 | |
Pelle Crossing Unknown: Nov 24, 2013 | — | Adoptable Planted: Aug 27, 2005 | Hygiene, CO | Boulder | 15.5 | |
REB 6 (2) Found 2: Jun 30, 2013 | — | Adoptable Planted: Aug 6, 2007 | Hygiene, CO | Boulder | 15.5 | |
Board Stud Found: Sep 5, 2017 | — | Wisconsin Hiker Planted: Mar 11, 2008 | Golden, CO | Jefferson | 15.7 | |
2008 Big Bison Hitchhiker Hostel Retired: Apr 6, 2016 | — | Front Range Hiker Planted: May 10, 2008 | Golden, CO | Jefferson | 15.7 | |
Adria's Honor Attempted: Jun 10, 2016 | — | Adoptable Planted: Jun 5, 2010 | Golden, CO | Jefferson | 15.7 | |
Bear Sighting Found: Aug 4, 2015 | — | Front Range Hiker Planted: Jul 4, 2008 | Golden, CO | Jefferson | 15.7 | |
Beaver Brook Trail (removed) Retired: Nov 15, 2017 | — | Adoptable Planted: May 15, 2004 | Golden, CO | Jefferson | 15.7 | |
Beaverbrook Found: Jul 12, 2012 | — | Front Range Hiker Planted: Jul 4, 2008 | Golden, CO | Jefferson | 15.7 | |
Better Job Retired: Apr 6, 2016 | — | Front Range Hiker Planted: Sep 18, 2008 | Golden, CO | Jefferson | 15.7 | |
Big Bison Hitchhiker Hostel - RETIRED Found: Sep 16, 2007 | — | Front Range Hiker Planted: Aug 5, 2006 | Golden, CO | Jefferson | 15.7 | |
Bow Season Retired: Apr 6, 2016 | — | Front Range Hiker Planted: Apr 13, 2009 | Golden, CO | Jefferson | 15.7 | |
Buffalo Bill Cody Attempted: Aug 11, 2017 | — | Adoptable Planted: Aug 7, 2004 | Golden, CO | Jefferson | 15.7 | |
Catnip Found: Nov 23, 2011 | — | Front Range Hiker Planted: Mar 4, 2006 | Golden, CO | Jefferson | 15.7 | |
Coors Beer Attempted: Oct 18, 2008 | — | Silver Eagle Planted: Jul 23, 2005 | Golden, CO | Jefferson | 15.7 | |
Coors Beer 2 Attempted: Jun 14, 2016 | — | Silver Eagle Planted: Oct 26, 2008 | Golden, CO | Jefferson | 15.7 | |
Free? Parking Found: Aug 2, 2012 | — | Front Range Hiker Planted: Mar 24, 2008 | Golden, CO | Jefferson | 15.7 | |
G is for Genesee Found: Apr 11, 2015 | — | Front Range Hiker Planted: May 24, 2008 | Golden, CO | Jefferson | 15.7 |