Nearby Letterboxes
Note that distance is dependent on the accuracy of each clue, typically city center.
(677 listings)
| Letterbox name | Found date | Clue owner | Location | County | Distance | |
|---|---|---|---|---|---|---|
| Agriscapes Attempted: Dec 26, 2006 | — | Adoptable Planted: Nov 18, 2003 | Pomona, CA | Los Angeles | 0 | |
| I Love This Game #2 & #3 Found: Dec 9, 2006 | — | Adoptable Planted: Feb 16, 2005 | Pomona, CA | Los Angeles | 0 | |
| The Cat in The Hat Series (3) Attempted 1: Aug 18, 2009 | — | Adoptable Planted: Feb 18, 2006 | Pomona, CA | Los Angeles | 0 | |
| The Rat in the Hat Found: Jun 30, 2014 | — | Creeping Death Planted: Aug 18, 2009 | College Plaza Pomona, CA | Los Angeles | 2.6 | |
| A Single Flame Found: Mar 27, 2008 | — | Adoptable Planted: Dec 26, 2005 | La Verne, CA | Los Angeles | 3.3 | |
| La Verne Santa Attempted: Jun 30, 2012 | — | VIENNA Planted: Jan 1, 2009 | La Verne, CA | Los Angeles | 3.3 | |
| Funeral Procession Found: Jun 28, 2025 | — | Creeping Death Planted: Jan 15, 2023 | La Verne, CA | Los Angeles | 3.3 | |
| Amazing Retired: Aug 4, 2012 | — | Adoptable Planted: Aug 5, 2006 | Claremont, CA | Los Angeles | 3.4 | |
| CHS 66 Retired: Aug 4, 2012 | — | Adoptable Planted: Mar 26, 2006 | Claremont, CA | Los Angeles | 3.4 | |
| Dream Works 1 Found: Jan 25, 2010 | — | VIENNA Planted: Dec 26, 2009 | Claremont, CA | Los Angeles | 3.4 | |
| Jabber was here Retired: Jan 4, 2014 | — | Adoptable Planted: Aug 2, 2006 | Claremont, CA | San Bernardino | 3.4 | |
| Optical Illusions & Visual Phenomena- Thompson (3) Found 1: Apr 18, 2021 | — | MrOspital Planted: Mar 2, 2008 | Claremont, CA | Los Angeles | 3.4 | |
| Turtle Trail (2) Found 1: May 12, 2023 | — | MrOspital Planted: Aug 22, 2009 | Claremont, CA | Los Angeles | 3.4 | |
| The Claremont Colleges Found: May 13, 2023 | — | Kelsung Planted: Jun 21, 2004 | Claremont, CA | Los Angeles | 3.4 | |
| The Hunt for the Borg Cube Retired: Jul 29, 2019 | — | Kelsung Planted: May 27, 2004 | Claremont, CA | Los Angeles | 3.4 | |
| High on Brew Missing: Mar 15, 2020 | — | Creeping Death Planted: Aug 31, 2014 | 2145 Foothill Blvd La Verne, CA | Los Angeles | 4.1 | |
| 100 Acre Woods (2) Found 2: Jan 18, 2013 | — | The Cavan Girls Planted: Aug 20, 2005 | Chino Hills, CA | San Bernardino | 4.6 | |
| Grand Adventure Attempted: Jul 24, 2012 | — | Adoptable Planted: Sep 2, 2006 | Chino Hills, CA | San Bernardino | 4.6 | |
| Piper Pause *** MISSING *** Missing: Feb 6, 2016 | — | Lee & Nancy Planted: Mar 7, 2010 | Chino Hills, CA | San Bernardino | 4.6 | |
| Slug Bugs (9) Retired 9: Oct 5, 2021 | — | Lee & Nancy Planted: Mar 7, 2010 | Chino Hills, CA | San Bernardino | 4.6 | |
| Tribal Animals (8) Found 4: May 1, 2010 | — | MrOspital Planted: Mar 19, 2010 | Chino Hills, CA | San Bernardino | 4.6 | |
| I Love This Game! Missing: Feb 12, 2016 | — | Adoptable Planted: Dec 14, 2004 | Chino, CA | San Bernardino | 4.7 | |
| STEALTH Attempted: May 29, 2016 | — | Lee & Nancy Planted: Nov 5, 2005 | Chino, CA | San Bernardino | 4.7 | |
| Horse Thief Canyon Series (2) Found 1: Apr 9, 2010 | — | Adoptable Planted: Dec 23, 2004 | San Dimas, CA | Los Angeles | 4.8 | |
| Pan Dimas Attempted: Jun 30, 2012 | — | VIENNA Planted: Jan 1, 2009 | San Dimas, CA | Los Angeles | 4.8 | |
| Sycamore Canyon (2) Retired 2: May 20, 2019 | — | Kelsung Planted: Jun 20, 2008 | Sycamore Canyon Park Diamond Bar, CA | Los Angeles | 4.8 | |
| Matthew 7:7 Retired: Jul 19, 2017 | — | Kelsung Planted: Jul 23, 2009 | Walnut Creek Park San Dimas, CA | Los Angeles | 5.3 | |
| Industrial Safari Retired: Sep 14, 2015 | — | Kelsung Planted: Apr 5, 2011 | Ontario, CA | San Bernardino | 5.8 | |
| Little Green Men Found: Oct 22, 2013 | — | MrOspital Planted: Nov 21, 2009 | Ontario, CA | San Bernardino | 5.8 | |
| BAPS | — | Kelsung Planted: Oct 5, 2023 | 15100 Fairfield Ranch Rd Chino Hills, CA | San Bernardino | 6.2 | |
| Hello, Panda! (7) Found 7: Mar 29, 2016 | — | EarlGrey Planted: Dec 27, 2015 | Walnut Ranch Park Walnut, CA | Los Angeles | 6.3 | |
| Madonna Of The Trail (2) Found 2: Apr 24, 2014 | — | Kelsung Planted: Oct 19, 2012 | Rte 66 &;; Hwy 83 Upland, CA | San Bernardino | 6.6 | |
| POG Attempted: Feb 28, 2021 | — | Lee & Nancy Planted: Sep 16, 2006 | Upland, CA | San Bernardino | 6.6 | |
| Doogie Trail #1 Found: Oct 8, 2020 | — | doogie trail Planted: Sep 30, 2020 | Michael D. Antonovich trail Covina, CA | Los Angeles | 6.8 | |
| It's Music to My Ears Found: Aug 10, 2024 | — | SL Planted: Aug 12, 2021 | Charter Oak Park Manchester, CT | Hartford | 6.8 | |
| R.I.P., Preboxed Missing: Dec 12, 2012 | — | Outdoor Adventurer Planted: Apr 1, 2011 | Kelby Park Covina, CA | Los Angeles | 7.9 | |
| Buckeye Butterfly Found: Nov 19, 2019 | — | Creeping Death Planted: Oct 14, 2011 | College St Covina, CA | Los Angeles | 8 | |
| Discovering Covina's Parks Series #1: Finding Edn Retired: Mar 31, 2016 | — | Outdoor Adventurer Planted: Aug 3, 2009 | Covina, CA | Los Angeles | 8.3 | |
| Discovering Covina's Parks Series #2: Remembering Found: Jul 24, 2010 | — | Outdoor Adventurer Planted: Aug 3, 2009 | Covina, CA | Los Angeles | 8.3 | |
| Discovering Covina's Parks Series #3: Preserving Retired: Mar 31, 2016 | — | Outdoor Adventurer Planted: Aug 3, 2009 | Covina, CA | Los Angeles | 8.3 | |
| Discovering Covina's Parks Series #4: Exploring M Found: May 14, 2010 | — | Outdoor Adventurer Planted: Aug 3, 2009 | Covina, CA | Los Angeles | 8.3 | |
| Discovering Covina's Parks Series #5: BONUS BOX Found: Sep 22, 2009 | — | Outdoor Adventurer Planted: Aug 3, 2009 | Covina, CA | Los Angeles | 8.3 | |
| Lil' Bird Retired: Jun 16, 2024 | — | Lee & Nancy Planted: Jun 28, 2009 | Covina, CA | Los Angeles | 8.3 | |
| Coffin Texts OK: Jan 2, 2021 | — | Creeping Death Planted: Jan 9, 2016 | Covina, CA | Los Angeles | 8.3 | |
| Eagle/Scout Retired: Apr 4, 2016 | — | EarlGrey Planted: Nov 26, 2015 | Galster Park West Covina, CA | Los Angeles | 8.5 | |
| Ghosts of Galster (4) Found 2: Mar 29, 2016 | — | Adoptable Planted: Oct 28, 2015 | Galster Park West Covina, CA | Los Angeles | 8.5 | |
| Ghost of Galster Retired: Mar 31, 2016 | — | EarlGrey Planted: May 7, 2011 | Galster Park West Covina, CA | Los Angeles | 8.5 | |
| Be Prepared! Attempted: Jun 16, 2017 | — | Adoptable Planted: Jul 13, 2010 | Glendora, CA | Los Angeles | 8.5 | |
| Lost in the Wild (4) Found 2: Apr 29, 2012 | — | Adoptable Planted: Nov 14, 2009 | Glendora, CA | Los Angeles | 8.5 | |
| Downtown Glendora Series (2) Retired 2: Aug 17, 2010 | — | Kelsung Planted: Feb 12, 2010 | Glendora, CA | Los Angeles | 8.6 | |
| Pocket Monsters (6) Retired 6: Mar 31, 2016 | — | EarlGrey Planted: Jan 28, 2011 | Shadow Oak Park West Covina, CA | Los Angeles | 8.8 | |
| Hiking Chino Hills: Desert Animals (14) Attempted 14: Jul 24, 2012 | — | Kelsung Planted: Mar 20, 2010 | Chino Hills State Park Chino Hills, CA | San Bernardino | 9.6 | |
| Hiking Chino Hills: Desert Plants (6) Found 6: Mar 27, 2010 | — | Kelsung Planted: Mar 20, 2010 | Chino Hills State Park Chino Hills, CA | San Bernardino | 9.6 | |
| Flowers for Victoria OK: Aug 24, 2024 | — | Creeping Death Planted: May 16, 2021 | Rancho Cucamonga, CA | San Bernardino | 9.8 | |
| Magic Lamp Inn 1955 Found: Jul 7, 2022 | — | Creeping Death Planted: Aug 21, 2021 | Rancho Cucamonga, CA | San Bernardino | 9.8 | |
| Omicron Xmas Found: Jan 7, 2022 | — | Creeping Death Planted: Dec 25, 2021 | Rancho Cucamonga, CA | San Bernardino | 9.8 | |
| Box of Tweets (currently gone) Found: Aug 15, 2010 | — | Adoptable Planted: Jul 8, 2010 | Rancho Cucamonga, CA | San Bernardino | 9.8 | |
| Victoria Gardens Attempted: Apr 3, 2007 | — | Adoptable Planted: Sep 15, 2006 | Rancho Cucamonga, CA | San Bernardino | 9.8 | |
| Water Dragon Attempted: Jul 5, 2010 | — | Adoptable Planted: Apr 26, 2009 | Rancho Cucamonga, CA | Los Angeles | 9.8 | |
| Four Elements (4) Found 3: Feb 13, 2015 | — | MrOspital Planted: Jul 13, 2008 | Rowland Heights, CA | Los Angeles | 10.3 | |
| Field of Flowers Found: Apr 3, 2013 | — | EdieSoCal Planted: Dec 18, 2011 | Queen of Heaven Cemetery, 2161 Fullerton Rd. Rowland Heights, CA | Los Angeles | 10.4 | |
| Coug OK: May 17, 2020 | — | Creeping Death Planted: Oct 14, 2011 | Azusa, CA | Los Angeles | 10.4 | |
| Bowling for Dollars Found: Apr 18, 2025 | — | Creeping Death Planted: Apr 9, 2025 | West Covina, CA | Los Angeles | 10.7 | |
| Firebird 1 Retired: Aug 13, 2011 | — | EarlGrey Planted: Jul 4, 2011 | West Covina, CA | Los Angeles | 10.7 | |
| Firebird 2 Retired: Aug 13, 2011 | — | EarlGrey Planted: Feb 20, 2011 | West Covina, CA | Los Angeles | 10.7 | |
| Firebird 3 Found: Nov 19, 2019 | — | EarlGrey Planted: May 7, 2011 | West Covina, CA | Los Angeles | 10.7 | |
| Firebird 4 Retired: Jul 4, 2011 | — | EarlGrey Planted: Dec 31, 2010 | West Covina, CA | Los Angeles | 10.7 | |
| Firebird 4 Redux Retired: Aug 13, 2011 | — | EarlGrey Planted: Jul 4, 2011 | West Covina, CA | Los Angeles | 10.7 | |
| Firebird 5 Retired: Jul 16, 2011 | — | EarlGrey Planted: Dec 14, 2010 | West Covina, CA | Los Angeles | 10.7 | |
| Firebird 5 Redux Retired: Aug 13, 2011 | — | EarlGrey Planted: Jul 16, 2011 | West Covina, CA | Los Angeles | 10.7 | |
| Hoist The Colors Found: Dec 15, 2013 | — | MrOspital Planted: Apr 26, 2008 | Irwindale, CA | Los Angeles | 11.1 | |
| Easter Rock Hopper Found: Apr 11, 2023 | — | Creeping Death Planted: Apr 9, 2023 | Irwindale, CA | Los Angeles | 11.1 | |
| Love Those Movies: A Clockwork Orange Found: Mar 1, 2022 | — | Creeping Death Planted: Feb 28, 2022 | Irwindale, CA | Los Angeles | 11.1 | |
| Love Those Movies: Deliverance Found: Jun 7, 2021 | — | Creeping Death Planted: Jun 6, 2021 | Irwindale, CA | Los Angeles | 11.1 | |
| Pooh-fect Christmas OK: May 31, 2020 | — | Creeping Death Planted: Dec 15, 2013 | Irwindale, CA | Los Angeles | 11.1 | |
| McDonald's History #3: Golden Arches Retired: Mar 25, 2019 | — | Kelsung Planted: Feb 2, 2012 | 17030 Green Dr Industry, CA | Los Angeles | 11.2 | |
| Mystery Authors (2) Retired 2: Jun 26, 2019 | — | Kelsung Planted: Apr 29, 2012 | Schabarum Regional Park Hacienda Heights, CA | Los Angeles | 11.2 | |
| 100 Years Found: Aug 23, 2020 | — | Lee & Nancy Planted: Apr 29, 2012 | Schabarum Regional Park Hacienda Heights, CA | Los Angeles | 11.3 | |
| Mike misses Madi Retired: Apr 20, 2017 | — | Adoptable Planted: Sep 2, 2015 | eter F Schabarum Regional Park, 17250 Colima Rd Rowland Heights, CA, CA | Los Angeles | 11.3 | |
| The Donut Hole 1968 Found: Jan 2, 2021 | — | Creeping Death Planted: Jul 11, 2020 | La Puente, CA | Los Angeles | 11.6 | |
| Going Out On Top: Frosty, Heidi & Frank Retired: Oct 29, 2012 | — | Kelsung Planted: Feb 21, 2009 | Skyline Dr Rowland Heights, CA | Los Angeles | 11.7 | |
| Year of the Dragon Retired: Apr 16, 2025 | — | MrOspital Planted: Feb 10, 2024 | Countrywood Park Hacienda Heights, CA | Los Angeles | 11.8 | |
| Down The Rabbit Hole Found: Aug 29, 2023 | — | Kelsung Planted: Apr 12, 2014 | 4501 Casa Loma Ave Yorba Linda, CA | Orange | 11.8 | |
| Box #361272 Enchanted Forest, look for the magic (2) Found 2: Nov 22, 2023 | — | cGhost Planted: Nov 6, 2023 | Girl Scout center - 4652 Casa Loma Ave Yorba Linda, CA 92886 United States Yorba Linda, CA | Orange | 11.9 | |
| Coal Canyon Found: Apr 15, 2019 | — | KatPau Planted: Feb 21, 2009 | Yorba Linda, CA | Orange | 12 | |
| Giddyup! Attempted: May 24, 2011 | — | Adoptable Planted: Apr 25, 2008 | Yorba Linda, CA | Orange | 12 | |
| Milhouse (MISSING) Missing: Feb 6, 2016 | — | Lee & Nancy Planted: Jan 21, 2006 | Yorba Linda, CA | Orange | 12 | |
| The 37th President Attempted: Mar 11, 2007 | — | Adoptable Planted: Jan 19, 2003 | Yorba Linda, CA | Orange | 12 | |
| Big Al #2: Oh Thank Heaven Retired: Apr 25, 2017 | — | Adoptable Planted: Nov 18, 2013 | Rancho Cucamonga, CA | San Bernardino | 12.1 | |
| Big Al #5: The Wet Noodle Retired: Mar 31, 2016 | — | Adoptable Planted: Dec 3, 2013 | Vince's Spaghetti Rancho Cucamonga, CA | San Bernardino | 12.1 | |
| IN-N-OUT burger 1948 Found: Mar 14, 2021 | — | Creeping Death Planted: Mar 11, 2021 | Baldwin Park, CA | Los Angeles | 12.1 | |
| Luella's Letterbox Found: Jul 28, 2017 | — | Adoptable Planted: Feb 6, 2015 | End of 6800 block of Rovato Place cul de sac Rancho Cucamonga, CA | San Bernardino | 12.5 | |
| All-Seeing Eye Found 1: Jan 17, 2009 | — | MrOspital Planted: Aug 18, 2008 | Brea, CA | Orange | 12.8 | |
| Reflections on Tonner Canyon Missing: Dec 12, 2012 | — | Outdoor Adventurer Planted: Jan 30, 2010 | Brea, CA | Orange | 12.8 | |
| Watership Down (4) Retired 4: Mar 24, 2024 | — | Kelsung Planted: May 12, 2007 | Brea, CA | Orange | 12.8 | |
| Farenheit 451 Found: Nov 19, 2019 | — | Kelsung Planted: Feb 20, 2009 | Royal Oaks Park Bradbury, CA | Los Angeles | 12.8 | |
| Scooter Retired: Apr 24, 2017 | — | Lee & Nancy Planted: Apr 9, 2011 | Yorba Regional Park Anaheim, CA | Orange | 13 | |
| Birthday Cake Attempted: Feb 25, 2015 | — | Adoptable Planted: Jul 23, 2014 | Victoria Gardens Rancho Cucamonga, CA | San Bernardino | 13.1 | |
| Tootsie Box Attempted: Feb 25, 2015 | — | Adoptable Planted: Jul 22, 2014 | Victoria Gardens Rancho Cucamonga, CA | San Bernardino | 13.1 | |
| It's a Wonde-ful Life Found: Dec 31, 2024 | — | Creeping Death Planted: Dec 10, 2024 | Hacienda Heights, CA | Los Angeles | 13.1 |