San Francisco Bay Area Letterboxes
(396 listings)
| Letterbox name | Found date | Clue owner | Location | County | |
|---|---|---|---|---|---|
| Anatomy Quiz Found: Jan 25, 2009 | — | Princess Lea Planted: Jul 21, 2004 | ??? | Alameda | |
| Aeroplane Pilot Found: Feb 11, 2010 | — | Adoptable Planted: Aug 7, 2004 | Alameda, CA | Alameda | |
| Crustacean Inlet (2) Attempted 2: Sep 16, 2018 | — | Princess Lea Planted: Jun 11, 2003 | Alameda, CA | Alameda | |
| Lunar New Year (7) Found 1: Mar 17, 2016 | — | Princess Lea Planted: Feb 10, 2003 | Alameda, CA | Alameda | |
| TILT-a-Twirl Found: Jul 29, 2015 | — | Kudichan Planted: Jul 15, 2015 | Pacific Pinball Museum 1510 Webster St. Alameda, CA | Alameda | |
| Webster Tube Wheelie Found: Aug 16, 2017 | — | Kudichan Planted: Apr 17, 2015 | ??? Alameda, CA | Alameda | |
| Bulb Monkey Found: Jul 31, 2015 | — | Adoptable Planted: Nov 17, 2008 | Albany, CA | Alameda | |
| The California Welcoming Committee Found: May 15, 2011 | — | Adoptable Planted: Jun 21, 2010 | Albany, CA | Alameda | |
| Aquatic Birds -- The Bufflehead Found: Aug 4, 2011 | — | Adoptable Planted: Mar 24, 2007 | Berkeley, CA | Alameda | |
| Arcata's Letterbox at Jewel Lake Found: Jun 1, 2012 | — | Adoptable Planted: Jan 10, 2011 | San Francisco Bay Areaberkeley Berkeley, CA | Alameda | |
| Candlebat's Signature Series (2) Found 1: Sep 7, 2010 | — | Adoptable Planted: Sep 5, 2010 | Berkeley, CA | Alameda | |
| Clark Kerr #1 (Coutyard) [Still there as of June, Found: Dec 7, 2010 | — | Adoptable Planted: Jan 12, 2008 | Berkeley, CA | Alameda | |
| Cordonices Creek Found: Sep 13, 2012 | — | Adoptable Planted: Jun 1, 2012 | Cordonices Park Berkeley, CA | Alameda | |
| Frederick Hink Park - Easter 2017 Found: Apr 29, 2016 | — | Adoptable Planted: Dec 30, 2007 | Berkeley, CA | Alameda | |
| GISHWHES- Castiel's Cronies Halloween Box Attempted: Aug 28, 2017 | — | Adoptable Planted: Aug 11, 2017 | Berkeley, CA | Alameda | |
| Great Stoneface Park Found: Jan 7, 2012 | — | Adoptable Planted: Dec 30, 2007 | Berkeley, CA | Alameda | |
| Hekate's Torch Found: Jun 27, 2011 | — | Adoptable Planted: May 8, 2008 | Berkeley, CA | Alameda | |
| Jewel Lake Redwoods Found: Feb 28, 2012 | — | Adoptable Planted: Dec 28, 2009 | Berkeley, CA | Alameda | |
| JewelLakeTilden (2) Attempted 2: Apr 11, 2012 | — | Adoptable Planted: Apr 4, 2012 | Tilden Regional Park Berkeley, CA | Alameda | |
| Life is a Rose Attempted: Sep 13, 2012 | — | Adoptable Planted: Jul 17, 2009 | Berkeley, CA | Alameda | |
| Literary Treasure OK: Apr 3, 2019 | — | Henshaw Planted: Jun 30, 2011 | Downtown 2090 Kittredge St Berkeley, CA | Alameda | |
| Mortar Rock Found: Feb 12, 2012 | — | Adoptable Planted: Aug 17, 2010 | Berkeley, CA | Alameda | |
| Prima Materia Found: Jan 29, 2010 | — | Adoptable Planted: Jan 28, 2010 | Tilden Park Berkeley, CA | Alameda | |
| Prima Materia 2 Found: Feb 3, 2010 | — | Adoptable Planted: Jan 31, 2010 | Tilden Park Berkeley, CA | Alameda | |
| Print Public Box 1 Found: May 22, 2015 | — | Adoptable Planted: May 7, 2015 | Kala Institute Galleries Berkeley, CA | Alameda | |
| Rancho Cordonices Attempted: Sep 28, 2011 | — | Adoptable Planted: Dec 1, 2010 | Berkeley, CA | Alameda | |
| Recycle! Re-Use! Renew! Found: Jul 17, 2008 | — | Adoptable Planted: Jan 1, 2006 | Berkeley, CA | Alameda | |
| Steam Train Trail Found: May 10, 2012 | — | Adoptable Planted: Apr 6, 2012 | Tilden Park Berkeley, CA | Alameda | |
| fairmont ridge (2) Attempted 2: Oct 30, 2013 | — | Adoptable Planted: Feb 15, 2008 | Castro Valley, CA | Alameda | |
| It's a Walk in the Park! Found: Nov 3, 2016 | — | Kudichan Planted: May 29, 2015 | Lake Chabot Regional Park Castro Valley, CA | Alameda | |
| gingerbreadman Found: Mar 23, 2020 | — | Adoptable Planted: Mar 30, 2008 | Dublin, CA | Alameda | |
| #LoveGrowsHereLetterBox Found: Feb 28, 2021 | — | Adoptable Planted: Sep 2, 2014 | Sabercat Creek Trail Fremont, CA | Alameda | |
| #TrollTollLetterBox Found: Nov 30, 2014 | — | Adoptable Planted: Sep 2, 2014 | Sabercat Creek Trail Fremont, CA | Alameda | |
| Ardenwood Farm Train Found: May 3, 2014 | — | Adoptable Planted: Nov 22, 2006 | Fremont, CA | Alameda | |
| Astonishing Creatures: the Monarch Migration Attempted: May 3, 2014 | — | Adoptable Planted: Apr 30, 2006 | Fremont, CA | Alameda | |
| Coyote Hills Box Attempted: Jun 24, 2014 | — | Adoptable Planted: Dec 30, 2010 | Fremont, CA | Alameda | |
| Extinct Megafauna of the Bay Area: Saber-Toothed Cat Missing: Mar 19, 2023 | — | Nature Hikers Planted: Jan 9, 2021 | Fremont, CA | Alameda | |
| GISHWHES Spoonie Box Found: Aug 27, 2017 | — | Adoptable Planted: Aug 6, 2017 | total.rates.shop Fremont, CA | Alameda | |
| Golden Heron OK: May 11, 2019 | — | Nature Hikers Planted: Jun 7, 2013 | Fremont, CA | Alameda | |
| Mad Libs Game 1 OK: Jun 29, 2024 | — | Nature Hikers Planted: Jan 9, 2021 | Fremont, CA | Alameda | |
| One Tree Hill Found: Jul 4, 2016 | — | Adoptable Planted: Apr 12, 2009 | Hayward, CA | Alameda | |
| Armadillo Milly Attempted: Jan 7, 2012 | — | Camp Frekkles Planted: Oct 20, 2007 | Livermore, CA | Alameda | |
| Birthday Attempted: Oct 10, 2012 | — | Pebbles Planted: Dec 3, 2009 | Livermore, CA | Alameda | |
| Brushy Peak (2) Attempted 2: Jan 7, 2012 | — | Adoptable Planted: Mar 8, 2009 | Livermore, CA | Alameda | |
| Her First Camping Trip Found: Oct 20, 2015 | — | Nature Hikers Planted: Oct 17, 2015 | Del Valle Regional Park Livermore, CA | Alameda | |
| Livermore: The Movie Attempted: May 6, 2017 | — | Adoptable Planted: Nov 25, 2004 | Livermore, CA | Alameda | |
| Morgan Territory Boxes 1&2 (2) Found 2: Jan 8, 2012 | — | Adoptable Planted: Not specified | Livermore, CA | Alameda | |
| Motion Machine Found: Mar 6, 2021 | — | Adoptable Planted: Nov 30, 2004 | Livermore, CA | Alameda | |
| Pine Tree Island Attempted: Sep 18, 2020 | — | Adoptable Planted: Nov 18, 2006 | Livermore, CA | Alameda | |
| Spotting a Bald Eagle Found: Mar 24, 2015 | — | Nature Hikers Planted: Feb 16, 2015 | Milpitas, CA | Alameda | |
| I'm only happy when it rains Attempted: Jan 11, 2023 | — | Little Bunny Foo Foo Planted: Oct 11, 2020 | United States mountain view, CA | Alameda | |
| Aztec skull | — | Adoptable Planted: Oct 18, 2019 | Napa cemetary Napa, CA | Alameda | |
| Aztec skull | — | Adoptable Planted: Oct 18, 2019 | Napa cemetary Napa, CA | Alameda | |
| Extinct Megafauna of the Bay Area: Giant Ground Sloth OK 1: Aug 21, 2023 | — | Nature Hikers Planted: Nov 11, 2020 | Oakland, CA | Alameda | |
| GnOOOMMMes (3) Found 2: Jun 24, 2015 | — | Kudichan Planted: Jun 21, 2015 | Montclair Railroad Trail Oakland, CA | Alameda | |
| Harry Potter (Book 1) (5) Found 5: Feb 23, 2016 | — | Nature Hikers Planted: Feb 14, 2016 | Anthony Chabot Regional Park Oakland, CA | Alameda | |
| Highly Logical Microbox Found: Aug 9, 2015 | — | Kudichan Planted: Apr 13, 2015 | ??? Oakland, CA | Alameda | |
| Huckleberry (2) Found 1: Apr 4, 2013 | — | Adoptable Planted: Oct 30, 2004 | Oakland, CA | Alameda | |
| Huckleberry Preserve (2) Found 1: May 10, 2010 | — | Adoptable Planted: Jan 12, 2006 | Oakland, CA | Alameda | |
| Line Alien Found: Jul 23, 2009 | — | Princess Lea Planted: Sep 13, 2005 | Oakland, CA | Alameda | |
| Morcom Rose Garden Attempted: Aug 28, 2016 | — | Whirly-Girl Wanna Be Planted: Jul 4, 2007 | Oakland, CA | Alameda | |
| Museum of Modern Art Found: Aug 26, 2010 | — | Princess Lea Planted: Apr 1, 2004 | Oakland, CA | Alameda | |
| My First Plant Found: Nov 10, 2014 | — | Kudichan Planted: Nov 7, 2014 | Huckleberry Botanic Regional Preserve Oakland, CA | Alameda | |
| OAK airport | — | Creeping Death Planted: Jun 17, 2023 | Oakland, CA | Alameda | |
| Print Public Box 2 Found: May 22, 2015 | — | Adoptable Planted: May 7, 2015 | 59th and San Pablo Ave. Oakland, CA | Alameda | |
| Print Public Box 3 Found: May 22, 2015 | — | Adoptable Planted: May 7, 2015 | 63rd and San Pablo Ave. Oakland, CA | Alameda | |
| Print Public Box 4 Attempted: May 22, 2015 | — | Adoptable Planted: May 7, 2015 | 63rd and San Pablo Ave. Oakland, CA | Alameda | |
| Revolutionary Heroes of the Oakland Hills Found: Feb 9, 2010 | — | Adoptable Planted: Feb 8, 2010 | Redwood Regional Park Oakland, CA | Alameda | |
| Run for the Roses Found: Feb 8, 2015 | — | Kudichan Planted: Feb 5, 2015 | ??? Oakland, CA | Alameda | |
| Survivor: The Amazon (4) Found 1: May 21, 2016 | — | Princess Lea Planted: Mar 21, 2003 | Oakland, CA | Alameda | |
| The Four Animals (4) Found 4: Dec 10, 2011 | — | Adoptable Planted: Jun 21, 2008 | Oakland, CA | Alameda | |
| The Sign of the Twisted Candles Found: Jun 30, 2011 | — | Princess Lea Planted: Jul 22, 2003 | Oakland, CA | Alameda | |
| Tres Grande Rocas OK: Apr 7, 2008 | — | Adoptable Planted: Sep 29, 2005 | Oakland, CA | Alameda | |
| Volcano Found: Nov 2, 2008 | — | Adoptable Planted: Nov 6, 2004 | Oakland, CA | Alameda | |
| Who Goes There? (5) Found 4: Jun 5, 2011 | — | Adoptable Planted: Jan 22, 2004 | Oakland, CA | Alameda | |
| Who Knew? Attempted: Aug 4, 2008 | — | Adoptable Planted: Jul 15, 2006 | Oakland, CA | Alameda | |
| Piedmont Girl Scouts OK: Sep 27, 2019 | — | Adoptable Planted: May 11, 2009 | Piedmont Park Piedmont, CA | Alameda | |
| #AwesomeSilvercorns | — | Troop31019 Planted: Nov 7, 2020 | Pleasanton Ridge Regional Park Pleasanton, CA | Alameda | |
| Come Out And Play OK: Jun 22, 2017 | — | Nature Hikers Planted: Jun 18, 2013 | Pleasanton, CA | Alameda | |
| Finding Finley | — | suncassie Planted: Jul 13, 2020 | Finley Road, Pleasanton, 94588 Pleasanton, CA | Alameda | |
| Only one room? Found: Sep 13, 2020 | — | suncassie Planted: Jul 13, 2020 | 1650 Finley Road, Pleasanton, 94588 Pleasanton, CA | Alameda | |
| Parks Rock Found: Aug 1, 2021 | — | GreenGrlz Planted: Jan 4, 2021 | Pleasanton, CA | Alameda | |
| Pleasanton Ridge (6) Attempted 2: Jan 31, 2011 | — | Adoptable Planted: Dec 31, 1969 | Pleasanton, CA | Alameda | |
| Short walk to sunshine Attempted: Mar 5, 2021 | — | Adoptable Planted: Jul 15, 2014 | Pleasanton, CA | Alameda | |
| State of Giving Found: Aug 17, 2013 | — | Adoptable Planted: Dec 27, 2009 | Pleasanton, CA | Alameda | |
| Grateful Dead Series #1 - He's Gone Attempted: Feb 21, 2022 | — | Adoptable Planted: Aug 8, 2004 | Pleasanton/Sunol, CA | Alameda | |
| Megan’s Box Attempted: Jan 1, 2024 | — | Adoptable Planted: Apr 11, 2019 | Marijane Hammon Park San Jose, CA | Alameda | |
| East Bay Trail Found: Jan 26, 2009 | — | Adoptable Planted: Jun 29, 2005 | San Leandro, CA | Alameda | |
| Icons for California -- San Leandro Found: Jul 26, 2009 | — | Adoptable Planted: Jun 27, 2006 | San Leandro, CA | Alameda | |
| Joli Lac Chabot Found: Feb 5, 2016 | — | Adoptable Planted: Mar 22, 2013 | Estudillo Avenue San Leandro, CA | Alameda | |
| Candyland (7) OK 7: Jun 4, 2024 | — | Nature Hikers Planted: Nov 9, 2014 | Dry Creek Regional Park Union City, CA | Alameda | |
| Cars 2 (An Abbreviated Tale) (4) Found 1: Jul 10, 2018 | — | Nature Hikers Planted: Dec 31, 2015 | Union City, CA | Alameda | |
| Stores (5) | — | Adoptable Planted: May 30, 2019 | The mall Yuba City, CA | Alameda | |
| Black Diamond Found: Jan 29, 2009 | — | Doublesaj & Old Blue Planted: Dec 31, 2004 | Antioch, CA | Contra Costa | |
| Brownieflies Attempted: Sep 14, 2013 | — | Adoptable Planted: May 1, 2013 | Miwok Park Brentwood, CA | Contra Costa | |
| Alma Mater Found: Jun 2, 2010 | — | Adoptable Planted: May 23, 2010 | Concord, CA | Contra Costa | |
| ShenastigatorsLovesAbFab's Gishwhes 2017 Attempted: Aug 17, 2017 | — | Adoptable Planted: Aug 11, 2017 | Monument Corridor Trail Concord, CA | Contra Costa | |
| unknown Found: Jan 31, 2017 | — | Adoptable Planted: Nov 27, 2016 | hilton hotel Concord, CA | Contra Costa | |
| Trail Mix Found: Nov 30, 2016 | — | Adoptable Planted: Nov 23, 2016 | Concord/Walnut Creek, CA | Contra Costa | |
| Arti-fact Found: Aug 20, 2010 | — | Adoptable Planted: Aug 29, 2008 | crockett, CA | Contra Costa |