Nearby Letterboxes
Note that distance is dependent on the accuracy of each clue, typically city center.
(542 listings)
| Letterbox name | Found date | Clue owner | Location | County | Distance | |
|---|---|---|---|---|---|---|
| Contra Costa Series #3 Attempted: May 7, 2007 | — | Adoptable Planted: Not specified | Martinez, CA | Contra Costa | 0 | |
| Easter Egg Hunt!! Thru 3/22! Found: Mar 23, 2008 | — | Adoptable Planted: Mar 8, 2008 | Martinez, CA | Contra Costa | 0 | |
| Rankin Park Missing: Mar 30, 2016 | — | Adoptable Planted: Jul 20, 2010 | Martinez, CA | Contra Costa | 0 | |
| "John of the Mountains" Found: Jan 7, 2018 | — | Nature Hikers Planted: Jan 6, 2018 | Martinez, CA | Contra Costa | 0 | |
| Baylands is all the Buzz (3) Found 3: May 28, 2012 | — | Adoptable Planted: May 28, 2012 | Baylands Park Mountain View, CA | Santa Clara | 2.2 | |
| Daffy's Disappointment Attempted: Aug 21, 2011 | — | Adoptable Planted: Jul 12, 2009 | Benicia, CA | Solano | 2.5 | |
| Sandlot Found: Apr 24, 2012 | — | Adoptable Planted: Nov 7, 2004 | Benicia, CA | Solano | 2.5 | |
| Truck stop at the beach Attempted: Aug 21, 2011 | — | Adoptable Planted: Nov 25, 2009 | Benicia, CA | Solano | 2.5 | |
| Witchypoo Found: Nov 22, 2009 | — | Princess Lea Planted: Oct 27, 2003 | Benicia, CA | Solano | 2.5 | |
| Blue Oak leaf (2) Found 2: Jan 4, 2019 | — | blues moon Planted: Jul 22, 2011 | Mt.Wanda Martinez, CA | Contra Costa | 2.5 | |
| Arti-fact Found: Aug 20, 2010 | — | Adoptable Planted: Aug 29, 2008 | crockett, CA | Contra Costa | 4.9 | |
| Chat 'N' Chew Found: Aug 20, 2010 | — | Adoptable Planted: Apr 15, 2008 | Crockett, CA | Contra Costa | 4.9 | |
| Crockett Hills - Happy 4th - MIA (2) | — | pawca Planted: Jul 4, 2006 | Crockett, CA | Contra Costa | 4.9 | |
| Mady's Butterfly Box Attempted: Aug 20, 2010 | — | Adoptable Planted: Nov 23, 2008 | Crockett, CA | Contra Costa | 4.9 | |
| Sugar City Attempted: Aug 20, 2010 | — | Adoptable Planted: Aug 2, 2007 | Crockett, CA | Contra Costa | 4.9 | |
| Zampa Bridge | — | Adoptable Planted: Aug 31, 2007 | Crockett, CA | Contra Costa | 4.9 | |
| BIG Grapes Attempted: Apr 24, 2012 | — | Adoptable Planted: Jun 25, 2011 | Benicia Community Park Benicia, CA | Solano | 4.9 | |
| LUCIA MONROE Retired: Mar 30, 2016 | — | Adoptable Planted: Sep 11, 2011 | Hillcrest Park Concord, CA | Contra Costa | 5.2 | |
| unknown Found: Jan 31, 2017 | — | Adoptable Planted: Nov 27, 2016 | hilton hotel Concord, CA | Contra Costa | 5.5 | |
| ShenastigatorsLovesAbFab's Gishwhes 2017 Attempted: Aug 17, 2017 | — | Adoptable Planted: Aug 11, 2017 | Monument Corridor Trail Concord, CA | Contra Costa | 5.9 | |
| Rainbows and Unicorns Attempted: Dec 20, 2014 | — | Adoptable Planted: Nov 22, 2014 | Briones Regional Park Martinez, CA | Contra Costa | 5.9 | |
| Princess Cupcake Attempted: Sep 13, 2015 | — | Adoptable Planted: Nov 28, 2012 | Pleasant Hill Park Pleasant Hill, CA | Contra Costa | 6.1 | |
| Alma Mater Found: Jun 2, 2010 | — | Adoptable Planted: May 23, 2010 | Concord, CA | Contra Costa | 6.3 | |
| BART Station #3 Retired: Mar 31, 2016 | — | Adoptable Planted: Feb 7, 2010 | Concord, CA | Contra Costa | 6.3 | |
| BART Station #6 Retired: Mar 30, 2016 | — | Adoptable Planted: Feb 27, 2010 | Concord, CA | Contra Costa | 6.3 | |
| Krazy Kreatures #9 - Concord Retired: Mar 30, 2016 | — | 8 Bare Feet Planted: Apr 6, 2009 | Concord, CA | Contra Costa | 6.3 | |
| Ringo Duck and Cee Cee's Box Attempted: Feb 7, 2010 | — | Adoptable Planted: Sep 13, 2005 | Concord, CA | Contra Costa | 6.3 | |
| "4 of a Kind" (#2) Found: Mar 4, 2007 | — | Adoptable Planted: Jan 3, 2006 | Pleasant Hill, CA | Contra Costa | 6.3 | |
| BART Station #2 Found: Feb 16, 2010 | — | Adoptable Planted: Feb 7, 2010 | Pleasant Hill, CA | Contra Costa | 6.3 | |
| Briones - Blue Oak Found: Aug 17, 2011 | — | Adoptable Planted: Aug 1, 2004 | Pleasant Hill, CA | Contra Costa | 6.3 | |
| Contra Costa Series #2 Found: May 7, 2007 | — | Adoptable Planted: Not specified | Pleasant Hill, CA | Contra Costa | 6.3 | |
| Diablo Vista Retired: Mar 30, 2016 | — | Adoptable Planted: Dec 24, 2006 | Pleasant Hill, CA | Contra Costa | 6.3 | |
| Dino Hill Found: Oct 12, 2015 | — | Adoptable Planted: Dec 30, 2006 | Pleasant Hill, CA | Contra Costa | 6.3 | |
| Fly Me To the Moon! Found: Feb 8, 2010 | — | Adoptable Planted: Mar 20, 2007 | Pleasant Hill, CA | Contra Costa | 6.3 | |
| I Left in San Francisco! Found: Feb 26, 2010 | — | Adoptable Planted: Mar 20, 2007 | Pleasant Hill, CA | Contra Costa | 6.3 | |
| 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 | 7.4 | |
| 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 | 7.4 | |
| Dinosaur Hill Attempted: Nov 5, 2006 | — | Adoptable Planted: Jan 29, 2005 | Pleasant Hill/Lafayette, CA | Contra Costa | 7.8 | |
| BART Station #1 Retired: Mar 31, 2016 | — | Adoptable Planted: Feb 7, 2010 | Walnut Creek, CA | Contra Costa | 8.4 | |
| Buena Vista Bulldogs Found: Mar 8, 2010 | — | Adoptable Planted: Mar 6, 2010 | Walnut Creek, CA | Contra Costa | 8.7 | |
| Castle Rock Found: Jul 27, 2009 | — | Adoptable Planted: Apr 15, 2003 | Walnut Creek, CA | Contra Costa | 8.7 | |
| Castle Rock...Not for the feint of heart hike! Found: Jun 1, 2012 | — | Adoptable Planted: Jul 6, 2008 | Walnut Creek, CA | Contra Costa | 8.7 | |
| Contra Costa Series #4 Found: May 7, 2007 | — | Adoptable Planted: Apr 1, 2003 | Walnut Creek, CA | Contra Costa | 8.7 | |
| Dig Dug Found: Jan 10, 2010 | — | Adoptable Planted: Jul 25, 2009 | Walnut Creek, CA | Contra Costa | 8.7 | |
| How to Make a Sugarloaf (5) Retired 5: Mar 30, 2016 | — | Adoptable Planted: Mar 16, 2010 | Walnut Creek, CA | Contra Costa | 8.7 | |
| Indian Valley Hawks Retired: Mar 30, 2016 | — | Adoptable Planted: Mar 6, 2010 | Walnut Creek, CA | Contra Costa | 8.7 | |
| Las Lomas Knights Retired: Mar 30, 2016 | — | Adoptable Planted: Mar 6, 2010 | Walnut Creek, CA | Contra Costa | 8.7 | |
| Murwood Mustangs Found: Feb 28, 2010 | — | Adoptable Planted: Feb 26, 2010 | Walnut Creek, CA | Contra Costa | 8.7 | |
| New Years on Mt. Diablo Found: Feb 27, 2011 | — | Adoptable Planted: Jan 1, 2007 | Walnut Creek, CA | Contra Costa | 8.7 | |
| Parkmead Panthers Found: Mar 8, 2010 | — | Adoptable Planted: Mar 6, 2010 | Walnut Creek, CA | Contra Costa | 8.7 | |
| Pool Umbrella Found: Sep 18, 2010 | — | Adoptable Planted: Mar 4, 2010 | Walnut Creek, CA | Contra Costa | 8.7 | |
| Princess Cee Cee's Lindsay Box Attempted: May 23, 2006 | — | Adoptable Planted: Sep 27, 2005 | Walnut Creek, CA | Contra Costa | 8.7 | |
| Sycamore in Winter Retired: Mar 30, 2016 | — | Adoptable Planted: Mar 6, 2010 | Walnut Creek, CA | Contra Costa | 8.7 | |
| The Runaway Bunny (9) Retired 9: Mar 30, 2016 | — | Adoptable Planted: Apr 4, 2010 | Walnut Creek, CA | Contra Costa | 8.7 | |
| Under the Brush Found: Nov 23, 2010 | — | Adoptable Planted: Oct 25, 2009 | Walnut Creek, CA | Contra Costa | 8.7 | |
| Walnut Creek Intermediate Squires Found: Mar 8, 2010 | — | Adoptable Planted: Mar 6, 2010 | walnut Creek, CA | Contra Costa | 8.7 | |
| Walnut Heights Cougars Found: Feb 28, 2010 | — | Adoptable Planted: Feb 26, 2010 | Walnut Creek, CA | Contra Costa | 8.7 | |
| To Serve The Fleet Retired: Mar 30, 2016 | — | Adoptable Planted: May 9, 2009 | Vallejo, CA | Solano | 8.9 | |
| Fleur Rouge (nee Another purple flower) Found: Jul 28, 2005 | — | pawca Planted: Mar 26, 2005 | Pinole, CA | Contra Costa | 9 | |
| The Adobe (2) Found 1: Mar 25, 2009 | — | Adoptable Planted: Apr 12, 2008 | Pinole, CA | Contra Costa | 9 | |
| SF Bay Flyway Festival 2011 Found: Feb 27, 2011 | — | Adoptable Planted: Feb 10, 2011 | Mare Island vallejo, CA | Solano | 9.2 | |
| Trail Mix Found: Nov 30, 2016 | — | Adoptable Planted: Nov 23, 2016 | Concord/Walnut Creek, CA | Contra Costa | 9.2 | |
| Sobrante Ridge, retired Retired: Feb 9, 2016 | — | pawca Planted: Mar 27, 2005 | El Sobrante, CA | Contra Costa | 9.2 | |
| The Boxer Family Series (5) Retired 5: Jul 24, 2018 | — | Doublesaj & Old Blue Planted: Aug 16, 2003 | El Sobrante, CA | Alameda | 9.2 | |
| BART Station #4 Retired: Mar 31, 2016 | — | Adoptable Planted: Feb 21, 2010 | Lafayette, CA | Contra Costa | 9.3 | |
| Fun on the Water (4) Retired 4: Mar 30, 2016 | — | Adoptable Planted: Apr 1, 2010 | Lafayette, CA | Contra Costa | 9.3 | |
| Hummers Found: Jan 21, 2007 | — | Adoptable Planted: Dec 31, 2006 | Lafayette, CA | Contra Costa | 9.3 | |
| The Sprouts Found: Jul 27, 2009 | — | Adoptable Planted: Dec 31, 2006 | Lafayette, CA | Contra Costa | 9.3 | |
| Tycho's T Retired: Mar 30, 2016 | — | Adoptable Planted: Nov 15, 2007 | Lafayette, CA | Contra Costa | 9.3 | |
| BART Station #5 Retired: Apr 2, 2016 | — | Adoptable Planted: Feb 21, 2010 | Orinda, CA | Contra Costa | 10.1 | |
| Fish Ranch Attempted: Jul 3, 2010 | — | Adoptable Planted: Jan 22, 2006 | Orinda, CA | Contra Costa | 10.1 | |
| Frolicsome Frog Found: Oct 3, 2014 | — | Adoptable Planted: Nov 1, 2005 | Orinda, CA | Contra Costa | 10.1 | |
| Lake View at Tilden Park (2) Attempted 2: Oct 3, 2014 | — | pawca Planted: Sep 5, 2005 | Orinda, CA | Contra Costa | 10.1 | |
| orinda encina Found: Jan 28, 2010 | — | fleetwood7 Planted: Jul 6, 2007 | orinda, CA | Contra Costa | 10.1 | |
| Pinewood Derby Found: Mar 23, 2010 | — | Adoptable Planted: Mar 19, 2010 | Orinda, CA | Contra Costa | 10.1 | |
| Take A Hike Letterbox Found: Jan 1, 2008 | — | Adoptable Planted: Sep 3, 2003 | Richmond - Orinda, CA | Contra Costa | 10.1 | |
| Up From the Deep For the Beautiful View Retired: Apr 24, 2017 | — | Adoptable Planted: Jan 9, 2009 | Orinda, CA | Contra Costa | 10.1 | |
| Yo Ho, Yo Ho, A Pirate's Life For Me (2) Found 1: Jul 8, 2007 | — | Adoptable Planted: Sep 26, 2004 | Richmond/Orinda, CA | Contra Costa | 10.1 | |
| Prima Materia Found: Jan 29, 2010 | — | Adoptable Planted: Jan 28, 2010 | Tilden Park Berkeley, CA | Alameda | 10.6 | |
| Prima Materia 2 Found: Feb 3, 2010 | — | Adoptable Planted: Jan 31, 2010 | Tilden Park Berkeley, CA | Alameda | 10.6 | |
| Steam Train Trail Found: May 10, 2012 | — | Adoptable Planted: Apr 6, 2012 | Tilden Park Berkeley, CA | Alameda | 10.6 | |
| JewelLakeTilden (2) Attempted 2: Apr 11, 2012 | — | Adoptable Planted: Apr 4, 2012 | Tilden Regional Park Berkeley, CA | Alameda | 10.6 | |
| The Sugar Found: Dec 17, 2010 | — | Adoptable Planted: Aug 6, 2010 | Kensington, CA | Contra Costa | 10.9 | |
| Cordonices Creek Found: Sep 13, 2012 | — | Adoptable Planted: Jun 1, 2012 | Cordonices Park Berkeley, CA | Alameda | 11.6 | |
| Free Bird Retired: Apr 20, 2017 | — | Adoptable Planted: Oct 27, 2007 | El Cerrito, CA | Contra Costa | 12 | |
| Gingko Leaves Found: Oct 28, 2008 | — | Adoptable Planted: Sep 16, 2006 | El Cerrito, CA | Contra Costa | 12 | |
| Monster Box #1: Toothy Boy Missing: Apr 28, 2013 | — | Adoptable Planted: Nov 6, 2011 | Tassajara Park El Cerrito, CA | Contra Costa | 12 | |
| The Rock of Zorro! Retired: Apr 2, 2016 | — | Adoptable Planted: May 2, 2008 | El Cerrito, CA | Contra Costa | 12 | |
| Troll Protected Missing: Aug 25, 2012 | — | Adoptable Planted: Jul 25, 2011 | ??? El Cerrito, CA | Contra Costa | 12 | |
| "4 of a Kind" (#1) Found: Feb 25, 2010 | — | Adoptable Planted: Dec 30, 2006 | Clayton, CA | Contra Costa | 12.1 | |
| Contra Costa Series #1 Attempted: May 13, 2007 | — | Adoptable Planted: Feb 23, 2003 | Clayton, CA | Contra Costa | 12.1 | |
| My First Plant Found: Nov 10, 2014 | — | Kudichan Planted: Nov 7, 2014 | Huckleberry Botanic Regional Preserve Oakland, CA | Alameda | 12.6 | |
| Frederick Hink Park - Easter 2017 Found: Apr 29, 2016 | — | Adoptable Planted: Dec 30, 2007 | Berkeley, CA | Alameda | 12.7 | |
| GISHWHES- Castiel's Cronies Halloween Box Attempted: Aug 28, 2017 | — | Adoptable Planted: Aug 11, 2017 | Berkeley, CA | Alameda | 12.7 | |
| Life is a Rose Attempted: Sep 13, 2012 | — | Adoptable Planted: Jul 17, 2009 | Berkeley, CA | Alameda | 12.7 | |
| All the Pretty Ponies- Tilden Park Attempted: Mar 24, 2010 | — | Adoptable Planted: Oct 22, 2005 | Berkeley, CA | Alameda | 12.7 | |
| Aquatic Birds -- Another Snowy Egret Retired: Mar 30, 2016 | — | Adoptable Planted: Mar 21, 2006 | Berkeley, CA | Alameda | 12.7 | |
| Aquatic Birds -- Black Necked Stilt Retired: Apr 25, 2017 | — | Adoptable Planted: May 5, 2005 | Berkeley, CA | Alameda | 12.7 | |
| Aquatic Birds -- Snowy Egret Retired: Mar 30, 2016 | — | Adoptable Planted: May 5, 2005 | Berkeley, CA | Alameda | 12.7 | |
| Aquatic Birds -- The Bufflehead Found: Aug 4, 2011 | — | Adoptable Planted: Mar 24, 2007 | Berkeley, CA | Alameda | 12.7 |