Nearby Letterboxes
Note that distance is dependent on the accuracy of each clue, typically city center.
(328 listings)
| Letterbox name | Found date | Clue owner | Location | County | Distance | |
|---|---|---|---|---|---|---|
| Black Diamond Found: Jan 29, 2009 | — | Doublesaj & Old Blue Planted: Dec 31, 2004 | Antioch, CA | Contra Costa | 0 | |
| Homage to the Past (missing) Missing: Feb 6, 2016 | — | Adoptable Planted: Apr 22, 2006 | Antioch, CA | Contra Costa | 0 | |
| Hopeful Miner (missing) Missing: Feb 6, 2016 | — | Adoptable Planted: Apr 22, 2006 | Antioch, CA | Contra Costa | 0 | |
| Sgt. Scheile "AnySoldier.Com" Memorial Attempted: Jul 30, 2006 | — | Adoptable Planted: Oct 13, 2005 | Antioch, CA | Contra Costa | 0 | |
| BART Station #7 Retired: Mar 30, 2016 | — | Adoptable Planted: Feb 27, 2010 | Pittsburg, CA | Contra Costa | 4.6 | |
| Brownieflies Attempted: Sep 14, 2013 | — | Adoptable Planted: May 1, 2013 | Miwok Park Brentwood, CA | Contra Costa | 6 | |
| Krazy Kreatures #8 - Brentwood Retired: Mar 31, 2016 | — | 8 Bare Feet Planted: Apr 4, 2009 | Brentwood, CA | Contra Costa | 7.8 | |
| Nike Missile LA-96C Letterbox Found: Nov 27, 2009 | — | geishagirl Planted: May 29, 2005 | Brentwood, CA | Los Angeles | 7.8 | |
| Odyssey of the Mind - California State Competition Attempted: Mar 26, 2012 | — | Adoptable Planted: Apr 4, 2009 | Brentwood, CA | Contra Costa | 7.8 | |
| "4 of a Kind" (#1) Found: Feb 25, 2010 | — | Adoptable Planted: Dec 30, 2006 | Clayton, CA | Contra Costa | 8.3 | |
| Contra Costa Series #1 Attempted: May 13, 2007 | — | Adoptable Planted: Feb 23, 2003 | Clayton, CA | Contra Costa | 8.3 | |
| Trail Mix Found: Nov 30, 2016 | — | Adoptable Planted: Nov 23, 2016 | Concord/Walnut Creek, CA | Contra Costa | 10.6 | |
| Brannan Duck Retired: Mar 12, 2016 | — | Adoptable Planted: Jul 9, 2005 | Rio Vista, CA | Sacramento | 12.2 | |
| Docked at the Marina Found: Jan 26, 2009 | — | Adoptable Planted: Jul 21, 2006 | Rio Vista, CA | Solano | 12.2 | |
| First Box Attempted: Jun 19, 2008 | — | Adoptable Planted: Jun 23, 2006 | Rio Vista, CA | Solano | 12.2 | |
| Humphrey's Box Attempted: Mar 11, 2007 | — | Adoptable Planted: Jul 10, 2006 | Rio Vista, CA | Solano | 12.2 | |
| Resting in Peace Attempted: Jun 19, 2008 | — | Adoptable Planted: Jun 30, 2006 | Rio Vista, CA | Solano | 12.2 | |
| Alma Mater Found: Jun 2, 2010 | — | Adoptable Planted: May 23, 2010 | Concord, CA | Contra Costa | 12.4 | |
| BART Station #3 Retired: Mar 31, 2016 | — | Adoptable Planted: Feb 7, 2010 | Concord, CA | Contra Costa | 12.4 | |
| BART Station #6 Retired: Mar 30, 2016 | — | Adoptable Planted: Feb 27, 2010 | Concord, CA | Contra Costa | 12.4 | |
| Krazy Kreatures #9 - Concord Retired: Mar 30, 2016 | — | 8 Bare Feet Planted: Apr 6, 2009 | Concord, CA | Contra Costa | 12.4 | |
| Ringo Duck and Cee Cee's Box Attempted: Feb 7, 2010 | — | Adoptable Planted: Sep 13, 2005 | Concord, CA | Contra Costa | 12.4 | |
| LUCIA MONROE Retired: Mar 30, 2016 | — | Adoptable Planted: Sep 11, 2011 | Hillcrest Park Concord, CA | Contra Costa | 12.9 | |
| ShenastigatorsLovesAbFab's Gishwhes 2017 Attempted: Aug 17, 2017 | — | Adoptable Planted: Aug 11, 2017 | Monument Corridor Trail Concord, CA | Contra Costa | 13.5 | |
| unknown Found: Jan 31, 2017 | — | Adoptable Planted: Nov 27, 2016 | hilton hotel Concord, CA | Contra Costa | 13.7 | |
| Finding Finley | — | suncassie Planted: Jul 13, 2020 | Finley Road, Pleasanton, 94588 Pleasanton, CA | Alameda | 13.8 | |
| Only one room? Found: Sep 13, 2020 | — | suncassie Planted: Jul 13, 2020 | 1650 Finley Road, Pleasanton, 94588 Pleasanton, CA | Alameda | 14.2 | |
| "4 of a Kind" (#2) Found: Mar 4, 2007 | — | Adoptable Planted: Jan 3, 2006 | Pleasant Hill, CA | Contra Costa | 14.4 | |
| BART Station #2 Found: Feb 16, 2010 | — | Adoptable Planted: Feb 7, 2010 | Pleasant Hill, CA | Contra Costa | 14.4 | |
| Briones - Blue Oak Found: Aug 17, 2011 | — | Adoptable Planted: Aug 1, 2004 | Pleasant Hill, CA | Contra Costa | 14.4 | |
| Contra Costa Series #2 Found: May 7, 2007 | — | Adoptable Planted: Not specified | Pleasant Hill, CA | Contra Costa | 14.4 | |
| Diablo Vista Retired: Mar 30, 2016 | — | Adoptable Planted: Dec 24, 2006 | Pleasant Hill, CA | Contra Costa | 14.4 | |
| Dino Hill Found: Oct 12, 2015 | — | Adoptable Planted: Dec 30, 2006 | Pleasant Hill, CA | Contra Costa | 14.4 | |
| Fly Me To the Moon! Found: Feb 8, 2010 | — | Adoptable Planted: Mar 20, 2007 | Pleasant Hill, CA | Contra Costa | 14.4 | |
| I Left in San Francisco! Found: Feb 26, 2010 | — | Adoptable Planted: Mar 20, 2007 | Pleasant Hill, CA | Contra Costa | 14.4 | |
| Princess Cupcake Attempted: Sep 13, 2015 | — | Adoptable Planted: Nov 28, 2012 | Pleasant Hill Park Pleasant Hill, CA | Contra Costa | 14.7 | |
| BART Station #1 Retired: Mar 31, 2016 | — | Adoptable Planted: Feb 7, 2010 | Walnut Creek, CA | Contra Costa | 15.6 | |
| Buena Vista Bulldogs Found: Mar 8, 2010 | — | Adoptable Planted: Mar 6, 2010 | Walnut Creek, CA | Contra Costa | 15.7 | |
| Castle Rock Found: Jul 27, 2009 | — | Adoptable Planted: Apr 15, 2003 | Walnut Creek, CA | Contra Costa | 15.7 | |
| Castle Rock...Not for the feint of heart hike! Found: Jun 1, 2012 | — | Adoptable Planted: Jul 6, 2008 | Walnut Creek, CA | Contra Costa | 15.7 | |
| Contra Costa Series #4 Found: May 7, 2007 | — | Adoptable Planted: Apr 1, 2003 | Walnut Creek, CA | Contra Costa | 15.7 | |
| Dig Dug Found: Jan 10, 2010 | — | Adoptable Planted: Jul 25, 2009 | Walnut Creek, CA | Contra Costa | 15.7 | |
| How to Make a Sugarloaf (5) Retired 5: Mar 30, 2016 | — | Adoptable Planted: Mar 16, 2010 | Walnut Creek, CA | Contra Costa | 15.7 | |
| Indian Valley Hawks Retired: Mar 30, 2016 | — | Adoptable Planted: Mar 6, 2010 | Walnut Creek, CA | Contra Costa | 15.7 | |
| Las Lomas Knights Retired: Mar 30, 2016 | — | Adoptable Planted: Mar 6, 2010 | Walnut Creek, CA | Contra Costa | 15.7 | |
| Murwood Mustangs Found: Feb 28, 2010 | — | Adoptable Planted: Feb 26, 2010 | Walnut Creek, CA | Contra Costa | 15.7 | |
| New Years on Mt. Diablo Found: Feb 27, 2011 | — | Adoptable Planted: Jan 1, 2007 | Walnut Creek, CA | Contra Costa | 15.7 | |
| Parkmead Panthers Found: Mar 8, 2010 | — | Adoptable Planted: Mar 6, 2010 | Walnut Creek, CA | Contra Costa | 15.7 | |
| Pool Umbrella Found: Sep 18, 2010 | — | Adoptable Planted: Mar 4, 2010 | Walnut Creek, CA | Contra Costa | 15.7 | |
| Princess Cee Cee's Lindsay Box Attempted: May 23, 2006 | — | Adoptable Planted: Sep 27, 2005 | Walnut Creek, CA | Contra Costa | 15.7 | |
| Sycamore in Winter Retired: Mar 30, 2016 | — | Adoptable Planted: Mar 6, 2010 | Walnut Creek, CA | Contra Costa | 15.7 | |
| The Runaway Bunny (9) Retired 9: Mar 30, 2016 | — | Adoptable Planted: Apr 4, 2010 | Walnut Creek, CA | Contra Costa | 15.7 | |
| Under the Brush Found: Nov 23, 2010 | — | Adoptable Planted: Oct 25, 2009 | Walnut Creek, CA | Contra Costa | 15.7 | |
| Walnut Creek Intermediate Squires Found: Mar 8, 2010 | — | Adoptable Planted: Mar 6, 2010 | walnut Creek, CA | Contra Costa | 15.7 | |
| Walnut Heights Cougars Found: Feb 28, 2010 | — | Adoptable Planted: Feb 26, 2010 | Walnut Creek, CA | Contra Costa | 15.7 | |
| Baylands is all the Buzz (3) Found 3: May 28, 2012 | — | Adoptable Planted: May 28, 2012 | Baylands Park Mountain View, CA | Santa Clara | 16.3 | |
| Hemme-ingway (4) Retired 4: Mar 30, 2016 | — | Adoptable Planted: Mar 8, 2010 | Alamo, CA | Contra Costa | 16.3 | |
| Hiking to Hades Attempted: Feb 25, 2016 | — | Wisconsin Hiker Planted: Jul 24, 2009 | Danville, CA | Contra Costa | 16.5 | |
| Danville Depot Retired: Mar 30, 2016 | — | Adoptable Planted: Feb 26, 2010 | Danville, CA | Contra Costa | 16.5 | |
| North Bound 5 Road Trip: Conversation Piece #3 | — | Adoptable Planted: Jul 3, 2012 | John "Chuck" Erreca Southbound I 5 Restarea -, Interstate 5 South, CA where ever ..., CA | Merced | 17 | |
| South Bound 5 Road Trip: Conversation Piece #1 | — | Adoptable Planted: Jun 29, 2012 | John "Chuck" Erreca Southbound I 5 Restarea -, Interstate 5 South, CA where ever ..., CA | Merced | 17 | |
| Dinosaur Hill Attempted: Nov 5, 2006 | — | Adoptable Planted: Jan 29, 2005 | Pleasant Hill/Lafayette, CA | Contra Costa | 17.3 | |
| Contra Costa Series #3 Attempted: May 7, 2007 | — | Adoptable Planted: Not specified | Martinez, CA | Contra Costa | 17.9 | |
| Easter Egg Hunt!! Thru 3/22! Found: Mar 23, 2008 | — | Adoptable Planted: Mar 8, 2008 | Martinez, CA | Contra Costa | 17.9 | |
| Rankin Park Missing: Mar 30, 2016 | — | Adoptable Planted: Jul 20, 2010 | Martinez, CA | Contra Costa | 17.9 | |
| "John of the Mountains" Found: Jan 7, 2018 | — | Nature Hikers Planted: Jan 6, 2018 | Martinez, CA | Contra Costa | 17.9 | |
| Blue Oak leaf (2) Found 2: Jan 4, 2019 | — | blues moon Planted: Jul 22, 2011 | Mt.Wanda Martinez, CA | Contra Costa | 18.1 | |
| Plant Communities: Central Oak Woodland (5) Found 1: Mar 31, 2010 | — | Adoptable Planted: Mar 26, 2010 | San Ramon, CA | Contra Costa | 18.2 | |
| BART Station #4 Retired: Mar 31, 2016 | — | Adoptable Planted: Feb 21, 2010 | Lafayette, CA | Contra Costa | 18.9 | |
| Fun on the Water (4) Retired 4: Mar 30, 2016 | — | Adoptable Planted: Apr 1, 2010 | Lafayette, CA | Contra Costa | 18.9 | |
| Hummers Found: Jan 21, 2007 | — | Adoptable Planted: Dec 31, 2006 | Lafayette, CA | Contra Costa | 18.9 | |
| The Sprouts Found: Jul 27, 2009 | — | Adoptable Planted: Dec 31, 2006 | Lafayette, CA | Contra Costa | 18.9 | |
| Tycho's T Retired: Mar 30, 2016 | — | Adoptable Planted: Nov 15, 2007 | Lafayette, CA | Contra Costa | 18.9 | |
| Rainbows and Unicorns Attempted: Dec 20, 2014 | — | Adoptable Planted: Nov 22, 2014 | Briones Regional Park Martinez, CA | Contra Costa | 19 | |
| Daffy's Disappointment Attempted: Aug 21, 2011 | — | Adoptable Planted: Jul 12, 2009 | Benicia, CA | Solano | 19.4 | |
| Sandlot Found: Apr 24, 2012 | — | Adoptable Planted: Nov 7, 2004 | Benicia, CA | Solano | 19.5 | |
| Truck stop at the beach Attempted: Aug 21, 2011 | — | Adoptable Planted: Nov 25, 2009 | Benicia, CA | Solano | 19.5 | |
| Witchypoo Found: Nov 22, 2009 | — | Princess Lea Planted: Oct 27, 2003 | Benicia, CA | Solano | 19.5 | |
| BIG Grapes Attempted: Apr 24, 2012 | — | Adoptable Planted: Jun 25, 2011 | Benicia Community Park Benicia, CA | Solano | 20.1 | |
| Rail Rider Found: Feb 19, 2012 | — | Adoptable Planted: Oct 20, 2005 | Suisun City, CA | Solano | 20.5 | |
| In Flander's Fields Found: Aug 22, 2016 | — | Adoptable Planted: Jan 14, 2013 | Veteran's Building, Seminary Drive Ukiah, CA | Mendocino | 20.7 | |
| Trick or Treat Retired: Feb 17, 2020 | — | Nature Hikers Planted: Oct 5, 2013 | G&M Farms Livermore, CA | Alameda | 21.1 | |
| A eucalyptus for your thoughts Attempted: Oct 14, 2013 | — | Adoptable Planted: Aug 1, 2008 | Fairfield, CA | Solano | 21.1 | |
| A Literary Find Retired: Mar 31, 2016 | — | Adoptable Planted: Aug 1, 2008 | Fairfield, CA | Solano | 21.1 | |
| An Icy Reception Attempted: Oct 14, 2013 | — | Adoptable Planted: Aug 2, 2008 | Fairfield, CA | Solano | 21.1 | |
| Back to Work (Missing) Missing: Feb 6, 2016 | — | Adoptable Planted: Sep 8, 2003 | Fairfield, CA | Sonoma | 21.1 | |
| Every Flavor Beans Attempted: Oct 14, 2013 | — | Princess Lea Planted: Aug 27, 2003 | Fairfield, CA | Solano | 21.1 | |
| The Disappearing Lake Attempted: Oct 14, 2013 | — | Adoptable Planted: Aug 14, 2009 | Fairfield, CA | Solano | 21.1 | |
| Grateful Dead Series #2 Steal Your Face Attempted: Dec 3, 2011 | — | Adoptable Planted: Aug 22, 2004 | Moraga, CA | Contra Costa | 21.2 | |
| Icons for California -- Saint Mary Found: May 10, 2010 | — | Adoptable Planted: Jun 3, 2006 | Moraga, CA | Contra Costa | 21.2 | |
| Wham! Bang! Boom! Retired: Mar 30, 2016 | — | Adoptable Planted: Oct 8, 2006 | Moraga, CA | Contra Costa | 21.2 | |
| Quest Attempted: Mar 22, 2020 | — | Adoptable Planted: Feb 15, 2013 | Shannon Park Dublin, CA | Alameda | 21.4 | |
| Don't forget the belly flops!!! Retired: Apr 24, 2017 | — | AZJokester Planted: Nov 20, 2011 | 1 Jelly Belly Lane Fairfield, CA | Solano | 22 | |
| gingerbreadman Found: Mar 23, 2020 | — | Adoptable Planted: Mar 30, 2008 | Dublin, CA | Alameda | 22.1 | |
| Kate's Birthday Skates Found: Apr 18, 2010 | — | Adoptable Planted: Apr 10, 2010 | Dublin, CA | Alameda | 22.1 | |
| Snowflake1 Attempted: Dec 8, 2015 | — | Adoptable Planted: Mar 30, 2008 | Dublin, CA | Alameda | 22.1 | |
| BART Station #5 Retired: Apr 2, 2016 | — | Adoptable Planted: Feb 21, 2010 | Orinda, CA | Contra Costa | 22.2 | |
| Fish Ranch Attempted: Jul 3, 2010 | — | Adoptable Planted: Jan 22, 2006 | Orinda, CA | Contra Costa | 22.2 | |
| Frolicsome Frog Found: Oct 3, 2014 | — | Adoptable Planted: Nov 1, 2005 | Orinda, CA | Contra Costa | 22.2 | |
| Lake View at Tilden Park (2) Attempted 2: Oct 3, 2014 | — | pawca Planted: Sep 5, 2005 | Orinda, CA | Contra Costa | 22.2 |