Colorado Front Range Letterboxes
(528 listings)
| Letterbox name | Found date | Clue owner | Location | County | |
|---|---|---|---|---|---|
| LucyTheBug Attempted: Feb 26, 2022 | — | Lucy the Bug Planted: Jan 1, 2021 | Veterans Park Brighton, CO | Adams | |
| Outdoor Adventures (3) Found 2: Jul 15, 2012 | — | Adoptable Planted: Jun 22, 2009 | Brighton, CO | Adams | |
| The cute Letterbox Attempted: Feb 26, 2022 | — | Lucia's Letterbox Planted: Jan 4, 2021 | 1855 East Southern Street Brighton, CO | Adams | |
| Heather's 10th birthday box | — | Cc and H Planted: Nov 2, 2025 | Widefield community center Colorado springs, CO | Adams | |
| Clear Creek Found: Oct 11, 2012 | — | Adoptable Planted: Apr 25, 2009 | Commerce City, CO | Adams | |
| Never Summer Brewing | — | Silver Eagle Planted: Jun 16, 2021 | Granby, CO | Adams | |
| My Grandpa Bill Found: Jul 22, 2023 | — | FestyFam Planted: Jul 27, 2020 | Shimmering Point Overlook, Turquoise Lake Leadville, CO | Adams | |
| PRA GirlScous (3) | — | Adoptable Planted: Apr 13, 2013 | East Lake Reservoir Thornton, CO | Adams | |
| PRA GirlScous (3) | — | Adoptable Planted: Apr 13, 2013 | East Lake Reservoir Thornton, CO | Adams | |
| Lazy Labyrinth Found: Mar 15, 2015 | — | Adoptable Planted: Dec 28, 2014 | historic main street area (73rd) Wesminster, CO | Adams | |
| Horton Hears a Who Found: Mar 24, 2014 | — | Adoptable Planted: Aug 3, 2009 | Westminster, CO | Adams | |
| RIP Jennifer #1: To See How We’re Ending Our Last Found: Jul 4, 2016 | — | Freelance Mystic Planted: May 21, 2011 | Westminster, CO | Adams | |
| Singing Donald Found: Jul 11, 2014 | — | The Woodshed Planted: Not specified | Westminster, CO | Adams | |
| Characterz cafe (GISHWES) | — | Adoptable Planted: Aug 12, 2017 | Hampden and Tower Aurora, CO | Arapahoe | |
| GISHWHES - Team Names Are Hard Attempted: Apr 7, 2019 | — | Adoptable Planted: Aug 8, 2017 | Southlands Mall Aurora, CO | Arapahoe | |
| Launch Pad Brewery Found: Jan 15, 2022 | — | Silver Eagle Planted: Jun 19, 2021 | Aurora, CO | Arapahoe | |
| Mischief Moonlight Music Attempted: Sep 7, 2020 | — | Adoptable Planted: Jun 26, 2008 | Aurora, CO | Arapahoe | |
| Red-tailed Park Attempted: Nov 2, 2014 | — | Adoptable Planted: Mar 26, 2011 | Aurora, CO | Arapahoe | |
| Signs of Spring (5) | — | claudey Planted: Jul 18, 2022 | 16522 E. Brown Ave Aurora, CO | Arapahoe | |
| SmilieSamoa – Smoky Hill SU Attempted: Aug 5, 2025 | — | Adoptable Planted: Apr 19, 2014 | Piney Creek Hollow Park Aurora, CO | Arapahoe | |
| The Dreamer Found: Jun 20, 2016 | — | Adoptable Planted: Jan 9, 2009 | Aurora, CO | Arapahoe | |
| The Hoops Found: Jul 17, 2012 | — | Adoptable Planted: Feb 12, 2009 | Aurora, CO | Arapahoe | |
| TremendousTrefoil – Smoky Hill SU Attempted: Aug 5, 2025 | — | Adoptable Planted: Apr 19, 2014 | Piney Creek Hollow Park Aurora, CO | Arapahoe | |
| Troop #134 Found: May 29, 2017 | — | Adoptable Planted: Mar 31, 2017 | HighRidge Park (Buckley and E Caley Ave Aurora, CO | Arapahoe | |
| 3 Classical B's (3) Found 3: Jul 25, 2011 | — | The Woodshed Planted: Jul 11, 2011 | Centennial, CO | Arapahoe | |
| Alaska Totem Found: Aug 31, 2012 | — | Adoptable Planted: Jul 11, 2008 | Centennial, CO | Arapahoe | |
| B.Y.D. #2: The Beefeater Found: Dec 21, 2011 | — | Adoptable Planted: Jan 1, 2008 | Centennial, CO | Arapahoe | |
| Cherry Creek State Park: It's Butters! Found: Jun 17, 2013 | — | MileHighFive Planted: May 14, 2013 | Cherry Creek State Park Reservoir Centennial, CO | Arapahoe | |
| CWHOU #4: Izzy Found: Aug 31, 2012 | — | Adoptable Planted: Nov 8, 2007 | Centennial, CO | Arapahoe | |
| Live, Be Bold! Have Fun. Dream! Found: Jun 18, 2013 | — | Adoptable Planted: Apr 28, 2013 | E Progress Cir & Progress, Centennial, CO Centennial, CO | Arapahoe | |
| Mr Tumnus Found: Apr 28, 2012 | — | Adoptable Planted: Jul 7, 2011 | Centennial, CO | Arapahoe | |
| Nintendo Stars: Olimar OK: Jun 20, 2012 | — | Adoptable Planted: Sep 12, 2011 | Dekovend park Centennial, CO | Arapahoe | |
| Steinbeck # 4: King Arthur Found: Jul 22, 2011 | — | Adoptable Planted: Aug 27, 2008 | Centennial, CO | Arapahoe | |
| Steinbeck #3: Of Mice and Men Found: Jan 31, 2012 | — | Adoptable Planted: Jan 8, 2008 | Centennial, CO | Arapahoe | |
| Tango Found: Jul 4, 2011 | — | Adoptable Planted: Sep 2, 2007 | Centennial, CO | Arapahoe | |
| Thai Elephant Found: Aug 31, 2012 | — | Adoptable Planted: Jul 17, 2007 | Centennial, CO | Arapahoe | |
| The Magnificent 7 Found: Jun 13, 2017 | — | Adoptable Planted: Jan 5, 2009 | Centennial, CO | Arapahoe | |
| Autumn's Rock Found: Oct 22, 2011 | — | Adoptable Planted: Dec 28, 2008 | Englewood, CO | Arapahoe | |
| Gishwhes Schnitzeljäger Attempted: Jun 3, 2018 | — | Adoptable Planted: Aug 8, 2017 | Englewood, CO | Arapahoe | |
| CWHOU #1 : SueSue Found: Feb 2, 2012 | — | Adoptable Planted: Oct 6, 2007 | Greenwood Village, CO | Arapahoe | |
| oh...hai Found: Jul 15, 2011 | — | Adoptable Planted: Oct 19, 2008 | Greenwood Village, CO | Arapahoe | |
| I Want to Ride My Bicycle Found: Jun 29, 2016 | — | Adoptable Planted: Jun 24, 2008 | GREENWOOD VILLLAGE, CO | Arapahoe | |
| Aah, Spring! Found: Jul 20, 2013 | — | Adoptable Planted: Apr 29, 2009 | Littleton, CO | Arapahoe | |
| Biker Chick Attempted: Mar 30, 2020 | — | Adoptable Planted: May 29, 2009 | Littleton, CO | Arapahoe | |
| Pirate's Friend Found: Jul 6, 2011 | — | Adoptable Planted: Aug 20, 2007 | Littleton, CO | Arapahoe | |
| Quotes: Singers (3) Found 3: Jun 4, 2012 | — | Adoptable Planted: May 24, 2009 | Littleton, CO | Arapahoe | |
| Steinbeck #2: Travels With Charley Found: Nov 19, 2012 | — | Adoptable Planted: Dec 19, 2007 | Littleton, CO | Arapahoe | |
| The Master's Vision Found: Jun 4, 2012 | — | Adoptable Planted: Sep 25, 2007 | Littleton, CO | Arapahoe | |
| To Honor My Father Found: Sep 8, 2012 | — | Adoptable Planted: Aug 8, 2007 | Littleton, CO | Arapahoe | |
| Wildflower Box #2--Early Blue Violet Found: Jun 15, 2012 | — | Adoptable Planted: Nov 15, 2006 | Littleton, CO | Arapahoe | |
| Douglas County Open Space: box 11 Listen For the S Found: Aug 21, 2012 | — | The Woodshed Planted: Not specified | Lone Tree, CO | Arapahoe | |
| First Job Found: Oct 24, 2010 | — | Adoptable Planted: Sep 13, 2008 | ??? | Boulder | |
| TTDIDWYD: #2 Found: Jul 27, 2013 | — | Adoptable Planted: Feb 25, 2006 | ??? | Boulder | |
| 777 Attempted 1: Apr 13, 2024 | — | Adoptable Planted: Jul 7, 2007 | Boulder, CO | Boulder | |
| 888 Found 3: Jun 11, 2009 | — | Adoptable Planted: Aug 8, 2008 | Boulder, CO | Boulder | |
| A Road-Side Incident Found: Apr 14, 2014 | — | Adoptable Planted: Dec 27, 2005 | Boulder, CO | Boulder | |
| Bear Peek | — | Silver Eagle Planted: Jul 25, 2015 | Bear Peak Trail Boulder, CO | Boulder | |
| Best seat in Town Found: Jan 19, 2009 | — | Adoptable Planted: Nov 9, 2008 | Boulder, CO | Boulder | |
| Boulder Safari 1 Found: Apr 13, 2024 | — | Adoptable Planted: Jul 25, 2009 | Boulder, CO | Boulder | |
| Carl Schurz Found: Mar 31, 2013 | — | Adoptable Planted: Jul 4, 2011 | NCAR Visitor Center Boulder, CO | Boulder | |
| Celestial Tea Time Found: Jul 2, 2023 | — | Adoptable Planted: Jun 24, 2007 | Boulder, CO | Boulder | |
| Create More Art: My LASS Found: Nov 5, 2013 | — | Adoptable Planted: Jul 21, 2011 | Boulder, CO | Boulder | |
| Dino Danger | — | Master of Sky Planted: Oct 19, 2024 | 501 Dakota Blvd Boulder, CO | Boulder | |
| Eben G. Fine Start Box | — | Adoptable Planted: Jun 30, 2013 | Eben G. Fine Park Boulder, CO | Boulder | |
| Evergreen Found: Oct 27, 2008 | — | Adoptable Planted: Jan 20, 2006 | Boulder, CO | Boulder | |
| Fly, Be Free! Found: May 19, 2010 | — | Adoptable Planted: Jan 13, 2006 | Boulder, CO | Boulder | |
| Hangman Game 85 | — | Silver Eagle Planted: Jul 17, 2015 | Chautauqua Park Boulder, CO | Boulder | |
| Just Visiting Found: Mar 15, 2015 | — | Adoptable Planted: Mar 7, 2007 | Boulder, CO | Boulder | |
| Mesa Trail Found: Jul 11, 2011 | — | Adoptable Planted: Sep 26, 2004 | Boulder, CO | Boulder | |
| Sanitas Is My Home Found: Apr 10, 2009 | — | Adoptable Planted: Sep 5, 2006 | Boulder, CO | Boulder | |
| Scott Carpenter Found: Sep 15, 2015 | — | Silver Eagle Planted: Jul 18, 2015 | Centennial Park Boulder, CO | Boulder | |
| Southern Buffalo Found: Oct 7, 2010 | — | Woodland Wanderer Planted: Apr 9, 2006 | Boulder, CO | Boulder | |
| Sugarloaf Mountain Colorado Found: May 26, 2019 | — | nedhead Planted: Oct 28, 2009 | Boulder, CO | Boulder | |
| Sunny and Share Found: Oct 14, 2013 | — | Adoptable Planted: Jan 11, 2009 | Boulder, CO | Boulder | |
| The Flatirons: Gizmo's Getaway OK: Aug 12, 2011 | — | MileHighFive Planted: Jul 10, 2011 | The Flatirons Boulder, CO | Boulder | |
| Tom Horn Found: Sep 15, 2015 | — | Silver Eagle Planted: Jul 17, 2015 | Pioneer Cemetery Boulder, CO | Boulder | |
| Twin Lakes Trail Found: Oct 26, 2015 | — | Adoptable Planted: Mar 6, 2013 | Gunbarrel/Twin Lakes Boulder, CO | Boulder | |
| Pelle Crossing Unknown: Nov 24, 2013 | — | Adoptable Planted: Aug 27, 2005 | Hygiene, CO | Boulder | |
| REB 6 (2) Found 2: Jun 30, 2013 | — | Adoptable Planted: Aug 6, 2007 | Hygiene, CO | Boulder | |
| Mountain Fountain | — | GS77038 Planted: Nov 18, 2021 | Mountain Fountain Hygiene, Colorado, CO | Boulder | |
| Being Prepared for 100 Years Found: Sep 28, 2019 | — | Adoptable Planted: Jan 15, 2011 | ???? Lafayette, CO | Boulder | |
| Lafayette Tudor Rose Found: Jun 8, 2024 | — | ST-Ranger Planted: Sep 28, 2019 | 171 W Baseline Rd, Lafayette, CO Lafayette, CO | Boulder | |
| Outliers: Tundra Swan Found: Oct 13, 2013 | — | Adoptable Planted: Jul 3, 2011 | Lafayette, CO | Boulder | |
| The "Box" Series (4) Attempted 4: Aug 1, 2014 | — | Adoptable Planted: Aug 9, 2009 | Lafayette, CO | Boulder | |
| Underground World Found: Sep 28, 2019 | — | Adoptable Planted: Mar 26, 2008 | Lafayette, CO | Boulder | |
| Buffalo roam Found: May 4, 2014 | — | Adoptable Planted: Nov 19, 2012 | Longmont Museum Longmont, CO | Boulder | |
| Discover Anubis Found: Jul 19, 2013 | — | Adoptable Planted: Oct 31, 2012 | Egyptian Imports by Discoveries, 454 Main St. Longmont, CO | Boulder | |
| Longmont History Found: Jul 19, 2013 | — | Adoptable Planted: Apr 1, 2009 | Longmont, CO | Boulder | |
| Pixar Fun: Flik Loves Princess Atta Found: Aug 2, 2013 | — | Adoptable Planted: Aug 22, 2011 | Longmont, CO | Boulder | |
| Celtic Harp Found: Jun 8, 2024 | — | Adoptable Planted: Apr 19, 2006 | Louisville, CO | Boulder | |
| Day of the Dead Letterbox #1: for our Moms Found: Aug 29, 2015 | — | Adoptable Planted: Dec 1, 2014 | Bella Frida Store Louisville, CO | Boulder | |
| B.Y.D. #1 Attempted: Aug 4, 2013 | — | Adoptable Planted: Nov 15, 2007 | Lyons, CO | Boulder | |
| Lyons Memorial Labyrinth #2 | — | Adoptable Planted: Oct 11, 2015 | S St Vrain Trail Park Lyons, CO | Boulder | |
| Lyons Memorial Labyrinth, #1 | — | Adoptable Planted: Sep 11, 2015 | Lyons Park, S St Vrain Trail Lyons, CO | Boulder | |
| Rocky Mountain Park Webbox Found: Aug 28, 2011 | — | Azroadie Planted: Jul 29, 2007 | Rocky Mountain National Park Meeker Park, CO | Boulder | |
| Funky Town Found: Jul 5, 2018 | — | nedhead Planted: Apr 8, 2014 | Nederland, CO | Boulder | |
| Lakewood Jail Found: Oct 22, 2021 | — | nedhead Planted: Mar 28, 2014 | Nederland, CO | Boulder | |
| Niwot Cemetery Found: Jan 13, 2022 | — | Adoptable Planted: Jul 30, 2005 | Niwot, CO | Boulder | |
| Gulch Climber Found: Jul 18, 2024 | — | Baby Bear Planted: Jul 20, 2019 | Butler Gulch Berthoud Falls, CO | Clear Creek | |
| Thirsty Pika Taproom | — | Silver Eagle Planted: Aug 19, 2025 | Loveland Pass Lake Dillon, CO | Clear Creek |