Nearby Letterboxes
Note that distance is dependent on the accuracy of each clue, typically city center.
(518 listings)
| Letterbox name | Found date | Clue owner | Location | County | Distance | |
|---|---|---|---|---|---|---|
| Parks Rock Found: Aug 1, 2021 | — | GreenGrlz Planted: Jan 4, 2021 | Pleasanton, CA | Alameda | 0 | |
| State of Giving Found: Aug 17, 2013 | — | Adoptable Planted: Dec 27, 2009 | Pleasanton, CA | Alameda | 0 | |
| Come Out And Play OK: Jun 22, 2017 | — | Nature Hikers Planted: Jun 18, 2013 | Pleasanton, CA | Alameda | 0.1 | |
| Short walk to sunshine Attempted: Mar 5, 2021 | — | Adoptable Planted: Jul 15, 2014 | Pleasanton, CA | Alameda | 0.1 | |
| BART Station #8 Retired: Mar 31, 2016 | — | Adoptable Planted: Feb 27, 2010 | Pleasanton, CA | Alameda | 0.1 | |
| Pleasanton Ridge (6) Attempted 2: Jan 31, 2011 | — | Adoptable Planted: Dec 31, 1969 | Pleasanton, CA | Alameda | 0.1 | |
| The Mustang Box Retired: Mar 31, 2016 | — | Adoptable Planted: Aug 3, 2005 | Pleasanton, CA | Alameda | 0.1 | |
| Grateful Dead Series #1 - He's Gone Attempted: Feb 21, 2022 | — | Adoptable Planted: Aug 8, 2004 | Pleasanton/Sunol, CA | Alameda | 0.4 | |
| #AwesomeSilvercorns | — | Troop31019 Planted: Nov 7, 2020 | Pleasanton Ridge Regional Park Pleasanton, CA | Alameda | 3.1 | |
| gingerbreadman Found: Mar 23, 2020 | — | Adoptable Planted: Mar 30, 2008 | Dublin, CA | Alameda | 4.4 | |
| Kate's Birthday Skates Found: Apr 18, 2010 | — | Adoptable Planted: Apr 10, 2010 | Dublin, CA | Alameda | 4.4 | |
| Snowflake1 Attempted: Dec 8, 2015 | — | Adoptable Planted: Mar 30, 2008 | Dublin, CA | Alameda | 4.4 | |
| Trick or Treat Retired: Feb 17, 2020 | — | Nature Hikers Planted: Oct 5, 2013 | G&M Farms Livermore, CA | Alameda | 5.1 | |
| Quest Attempted: Mar 22, 2020 | — | Adoptable Planted: Feb 15, 2013 | Shannon Park Dublin, CA | Alameda | 5.2 | |
| Armadillo Milly Attempted: Jan 7, 2012 | — | Camp Frekkles Planted: Oct 20, 2007 | Livermore, CA | Alameda | 6.1 | |
| Sycamore Grove Found: Mar 29, 2008 | — | Adoptable Planted: Mar 3, 2004 | Livermore, CA | Alameda | 6.1 | |
| Birthday Attempted: Oct 10, 2012 | — | Pebbles Planted: Dec 3, 2009 | Livermore, CA | Alameda | 6.1 | |
| Brushy Peak (2) Attempted 2: Jan 7, 2012 | — | Adoptable Planted: Mar 8, 2009 | Livermore, CA | Alameda | 6.1 | |
| Camp Arroyo Outdoor School Retired: May 29, 2012 | — | Little Foot 1221 Planted: Jun 11, 2008 | Livermore, CA | Alameda | 6.1 | |
| Go Fish! letterbox Retired: Mar 31, 2016 | — | Camp Frekkles Planted: Aug 18, 2007 | Livermore, CA | Alameda | 6.1 | |
| H. Potter Found: Jul 5, 2010 | — | Pebbles Planted: Dec 3, 2009 | Livermore, CA | Alameda | 6.1 | |
| Livermore: The Movie Attempted: May 6, 2017 | — | Adoptable Planted: Nov 25, 2004 | Livermore, CA | Alameda | 6.1 | |
| Morgan Territory Boxes 1&2 (2) Found 2: Jan 8, 2012 | — | Adoptable Planted: Not specified | Livermore, CA | Alameda | 6.1 | |
| Motion Machine Found: Mar 6, 2021 | — | Adoptable Planted: Nov 30, 2004 | Livermore, CA | Alameda | 6.1 | |
| Muchacho Fiesta Retired: Mar 31, 2016 | — | Camp Frekkles Planted: Aug 18, 2007 | Livermore, CA | Alameda | 6.1 | |
| My Purple Cupcake Retired: Feb 25, 2016 | — | Adoptable Planted: Jun 29, 2010 | Livermore, CA | Alameda | 6.1 | |
| Pine Tree Island Attempted: Sep 18, 2020 | — | Adoptable Planted: Nov 18, 2006 | Livermore, CA | Alameda | 6.1 | |
| Rainbow Tree Retired: Apr 25, 2017 | — | Adoptable Planted: Nov 18, 2006 | Livermore, CA | Alameda | 6.1 | |
| Candyland (7) OK 7: Jun 4, 2024 | — | Nature Hikers Planted: Nov 9, 2014 | Dry Creek Regional Park Union City, CA | Alameda | 8 | |
| GISHWHES Team AnythingButNormal Attempted: Sep 5, 2017 | — | Adoptable Planted: Aug 9, 2017 | 37592 Niles Blvd, Fremont, CA 94536 Fremont, CA | Alameda | 8 | |
| Lord Licorice Missing: Sep 21, 2017 | — | Nature Hikers Planted: Nov 9, 2014 | Dry Creek Regional Park Union City, CA | Alameda | 8.9 | |
| Stiver's Diver Missing: Oct 6, 2020 | — | Nature Hikers Planted: Nov 4, 2012 | Fremont Central Park Fremont, CA | Alameda | 8.9 | |
| #LoveGrowsHereLetterBox Found: Feb 28, 2021 | — | Adoptable Planted: Sep 2, 2014 | Sabercat Creek Trail Fremont, CA | Alameda | 9.7 | |
| #TrollTollLetterBox Found: Nov 30, 2014 | — | Adoptable Planted: Sep 2, 2014 | Sabercat Creek Trail Fremont, CA | Alameda | 9.7 | |
| Ardenwood Farm Train Found: May 3, 2014 | — | Adoptable Planted: Nov 22, 2006 | Fremont, CA | Alameda | 9.9 | |
| Extinct Megafauna of the Bay Area: Saber-Toothed Cat Missing: Mar 19, 2023 | — | Nature Hikers Planted: Jan 9, 2021 | Fremont, CA | Alameda | 9.9 | |
| GISHWHES Spoonie Box Found: Aug 27, 2017 | — | Adoptable Planted: Aug 6, 2017 | total.rates.shop Fremont, CA | Alameda | 9.9 | |
| Mad Libs Game 1 OK: Jun 29, 2024 | — | Nature Hikers Planted: Jan 9, 2021 | Fremont, CA | Alameda | 9.9 | |
| Only one room? Found: Sep 13, 2020 | — | suncassie Planted: Jul 13, 2020 | 1650 Finley Road, Pleasanton, 94588 Pleasanton, CA | Alameda | 9.9 | |
| Golden Heron OK: May 11, 2019 | — | Nature Hikers Planted: Jun 7, 2013 | Fremont, CA | Alameda | 9.9 | |
| Astonishing Creatures: the Monarch Migration Attempted: May 3, 2014 | — | Adoptable Planted: Apr 30, 2006 | Fremont, CA | Alameda | 9.9 | |
| Coyote Hills Box Attempted: Jun 24, 2014 | — | Adoptable Planted: Dec 30, 2010 | Fremont, CA | Alameda | 9.9 | |
| Micro/Macro (4) Attempted 3: Jun 11, 2012 | — | Adoptable Planted: Apr 22, 2006 | Fremont, CA | Alameda | 9.9 | |
| Mission San Jose Attempted: May 10, 2014 | — | Adoptable Planted: Jan 20, 2008 | Fremont, CA | Alameda | 9.9 | |
| Plant Communities: Central Oak Woodland (5) Found 1: Mar 31, 2010 | — | Adoptable Planted: Mar 26, 2010 | San Ramon, CA | Contra Costa | 10 | |
| Cars 2 (An Abbreviated Tale) (4) Found 1: Jul 10, 2018 | — | Nature Hikers Planted: Dec 31, 2015 | Union City, CA | Alameda | 10.3 | |
| Finding Finley | — | suncassie Planted: Jul 13, 2020 | Finley Road, Pleasanton, 94588 Pleasanton, CA | Alameda | 10.3 | |
| Her First Camping Trip Found: Oct 20, 2015 | — | Nature Hikers Planted: Oct 17, 2015 | Del Valle Regional Park Livermore, CA | Alameda | 10.6 | |
| Eden Shores: ribbit-ribbit Retired: Apr 2, 2016 | — | Adoptable Planted: May 2, 2009 | Hayward, CA | Alameda | 11.2 | |
| Garin Park: Above Buttonwood Attempted: Jan 1, 2016 | — | Adoptable Planted: Nov 25, 2006 | Hayward, CA | Alameda | 11.2 | |
| One Tree Hill Found: Jul 4, 2016 | — | Adoptable Planted: Apr 12, 2009 | Hayward, CA | Alameda | 11.2 | |
| Pirate's Cove Cannonball Attempted: Feb 14, 2014 | — | Adoptable Planted: Jun 29, 2005 | Hayward, CA | Alameda | 11.2 | |
| BART Station #9 Retired: Apr 2, 2016 | — | Adoptable Planted: Feb 28, 2010 | Castro Valley, CA | Alameda | 11.7 | |
| fairmont ridge (2) Attempted 2: Oct 30, 2013 | — | Adoptable Planted: Feb 15, 2008 | Castro Valley, CA | Alameda | 11.7 | |
| Audio Drama - War of the Worlds | — | Nature Hikers Planted: Sep 9, 2023 | Centennial Park, 24000 Amador St Hayward, CA | Alameda | 12 | |
| It's a Walk in the Park! Found: Nov 3, 2016 | — | Kudichan Planted: May 29, 2015 | Lake Chabot Regional Park Castro Valley, CA | Alameda | 12.7 | |
| The Flower Cove Attempted 0: Feb 18, 2013 | — | Adoptable Planted: Aug 29, 2011 | Warm Springs fremont, CA | Alameda | 12.8 | |
| Hiking to Hades Attempted: Feb 25, 2016 | — | Wisconsin Hiker Planted: Jul 24, 2009 | Danville, CA | Contra Costa | 13 | |
| Danville Depot Retired: Mar 30, 2016 | — | Adoptable Planted: Feb 26, 2010 | Danville, CA | Contra Costa | 13 | |
| Do Butterflies Make Good Pets? Retired: Nov 16, 2016 | — | Nature Hikers Planted: May 14, 2013 | Coyote Hills Regional Park Fremont, CA | Alameda | 13.9 | |
| Marvelous Merganser | — | Nature Hikers Planted: Feb 13, 2022 | Coyote Hills Regional Park Fremont, CA | Alameda | 13.9 | |
| Harry Potter (Book 1) (5) Found 5: Feb 23, 2016 | — | Nature Hikers Planted: Feb 14, 2016 | Anthony Chabot Regional Park Oakland, CA | Alameda | 14.7 | |
| Joli Lac Chabot Found: Feb 5, 2016 | — | Adoptable Planted: Mar 22, 2013 | Estudillo Avenue San Leandro, CA | Alameda | 15.3 | |
| Hemme-ingway (4) Retired 4: Mar 30, 2016 | — | Adoptable Planted: Mar 8, 2010 | Alamo, CA | Contra Costa | 15.6 | |
| Harry Potter (Book 5) (4) | — | Nature Hikers Planted: Not specified | Alamo, CA | Alameda | 15.6 | |
| Spotting a Bald Eagle Found: Mar 24, 2015 | — | Nature Hikers Planted: Feb 16, 2015 | Milpitas, CA | Alameda | 15.8 | |
| East Bay Trail Found: Jan 26, 2009 | — | Adoptable Planted: Jun 29, 2005 | San Leandro, CA | Alameda | 16 | |
| Brownie Troop 62727 Found: Sep 15, 2018 | — | Adoptable Planted: Apr 1, 2018 | Don Edwards Wildlife Refuge Alviso, CA | Santa Clara | 16 | |
| Icons for California -- San Leandro Found: Jul 26, 2009 | — | Adoptable Planted: Jun 27, 2006 | San Leandro, CA | Alameda | 16 | |
| Sarah's Window Found: Aug 17, 2013 | — | Adoptable Planted: Feb 23, 2013 | near the water pollution control plant Sunnyvale, CA | Santa Clara | 18.4 | |
| Grateful Dead Series #2 Steal Your Face Attempted: Dec 3, 2011 | — | Adoptable Planted: Aug 22, 2004 | Moraga, CA | Contra Costa | 18.4 | |
| Icons for California -- Saint Mary Found: May 10, 2010 | — | Adoptable Planted: Jun 3, 2006 | Moraga, CA | Contra Costa | 18.4 | |
| Wham! Bang! Boom! Retired: Mar 30, 2016 | — | monotonia Planted: Oct 8, 2006 | Moraga, CA | Contra Costa | 18.4 | |
| La Paloma Found: Dec 16, 2015 | — | Adoptable Planted: Jul 25, 2013 | Alum Rock Park San Jose, CA | Santa Clara | 18.7 | |
| Revolutionary Heroes of the Oakland Hills Found: Feb 9, 2010 | — | Adoptable Planted: Feb 8, 2010 | Redwood Regional Park Oakland, CA | Alameda | 19.1 | |
| Take me to the Dog Park Found: Jan 25, 2015 | — | Adoptable Planted: Apr 9, 2012 | Shoreline Dog Park Mountain View, CA | Santa Clara | 19.5 | |
| "4 of a Kind" (#1) Found: Feb 25, 2010 | — | Adoptable Planted: Dec 30, 2006 | Clayton, CA | Contra Costa | 19.7 | |
| Contra Costa Series #1 Attempted: May 13, 2007 | — | Adoptable Planted: Feb 23, 2003 | Clayton, CA | Contra Costa | 19.7 | |
| Buena Vista Bulldogs Found: Mar 8, 2010 | — | Adoptable Planted: Mar 6, 2010 | Walnut Creek, CA | Contra Costa | 19.9 | |
| Castle Rock Found: Jul 27, 2009 | — | Adoptable Planted: Apr 15, 2003 | Walnut Creek, CA | Contra Costa | 19.9 | |
| Castle Rock...Not for the feint of heart hike! Found: Jun 1, 2012 | — | Adoptable Planted: Jul 6, 2008 | Walnut Creek, CA | Contra Costa | 19.9 | |
| Contra Costa Series #4 Found: May 7, 2007 | — | Adoptable Planted: Apr 1, 2003 | Walnut Creek, CA | Contra Costa | 19.9 | |
| Dig Dug Found: Jan 10, 2010 | — | Adoptable Planted: Jul 25, 2009 | Walnut Creek, CA | Contra Costa | 19.9 | |
| How to Make a Sugarloaf (5) Retired 5: Mar 30, 2016 | — | Adoptable Planted: Mar 16, 2010 | Walnut Creek, CA | Contra Costa | 19.9 | |
| Indian Valley Hawks Retired: Mar 30, 2016 | — | Adoptable Planted: Mar 6, 2010 | Walnut Creek, CA | Contra Costa | 19.9 | |
| Las Lomas Knights Retired: Mar 30, 2016 | — | Adoptable Planted: Mar 6, 2010 | Walnut Creek, CA | Contra Costa | 19.9 | |
| Murwood Mustangs Found: Feb 28, 2010 | — | Adoptable Planted: Feb 26, 2010 | Walnut Creek, CA | Contra Costa | 19.9 | |
| New Years on Mt. Diablo Found: Feb 27, 2011 | — | Adoptable Planted: Jan 1, 2007 | Walnut Creek, CA | Contra Costa | 19.9 | |
| Parkmead Panthers Found: Mar 8, 2010 | — | Adoptable Planted: Mar 6, 2010 | Walnut Creek, CA | Contra Costa | 19.9 | |
| Pool Umbrella Found: Sep 18, 2010 | — | Adoptable Planted: Mar 4, 2010 | Walnut Creek, CA | Contra Costa | 19.9 | |
| Princess Cee Cee's Lindsay Box Attempted: May 23, 2006 | — | Adoptable Planted: Sep 27, 2005 | Walnut Creek, CA | Contra Costa | 19.9 | |
| Sycamore in Winter Retired: Mar 30, 2016 | — | Adoptable Planted: Mar 6, 2010 | Walnut Creek, CA | Contra Costa | 19.9 | |
| The Runaway Bunny (9) Retired 9: Mar 30, 2016 | — | Adoptable Planted: Apr 4, 2010 | Walnut Creek, CA | Contra Costa | 19.9 | |
| Under the Brush Found: Nov 23, 2010 | — | Adoptable Planted: Oct 25, 2009 | Walnut Creek, CA | Contra Costa | 19.9 | |
| Walnut Creek Intermediate Squires Found: Mar 8, 2010 | — | Adoptable Planted: Mar 6, 2010 | walnut Creek, CA | Contra Costa | 19.9 | |
| Walnut Heights Cougars Found: Feb 28, 2010 | — | Adoptable Planted: Feb 26, 2010 | Walnut Creek, CA | Contra Costa | 19.9 | |
| BART Station #1 Retired: Mar 31, 2016 | — | Adoptable Planted: Feb 7, 2010 | Walnut Creek, CA | Contra Costa | 20.1 | |
| BART Station #4 Retired: Mar 31, 2016 | — | Adoptable Planted: Feb 21, 2010 | Lafayette, CA | Contra Costa | 20.4 | |
| Fun on the Water (4) Retired 4: Mar 30, 2016 | — | Adoptable Planted: Apr 1, 2010 | Lafayette, CA | Contra Costa | 20.4 | |
| Hummers Found: Jan 21, 2007 | — | Adoptable Planted: Dec 31, 2006 | Lafayette, CA | Contra Costa | 20.4 |