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Nearby Letterboxes

Note that distance is dependent on the accuracy of each clue, typically city center.

(658 listings)

Letterbox name Found date Clue owner Location County Distance
Born in the USA
Attempted: Jan 24, 2014
Adoptable
Planted: Jul 12, 2010
San Mateo, CA San Mateo 0Accuracy: Town
Get to the Point
Attempted: Sep 6, 2010
Adoptable
Planted: May 1, 2004
San Mateo, CA San Mateo 0Accuracy: Town
In The Hollow
Found: Oct 15, 2015
look for more trains
Planted: Sep 14, 2006
San Mateo, CA San Mateo 0Accuracy: Town
San Mateo Public Library Adoptable
Planted: Dec 4, 2006
San Mateo, CA San Mateo 0Accuracy: Town
Shopaholic
Found: Aug 6, 2009
Adoptable
Planted: Jul 29, 2009
San Mateo, CA San Mateo 0Accuracy: Town
Windy Weather
Retired: Mar 30, 2016
Adoptable
Planted: Sep 14, 2009
San Mateo, CA San Mateo 0Accuracy: Town
beresford park - no longer active
Retired: Jan 4, 2021
look for more trains
Planted: Sep 2, 2006
San Mateo, CA San Mateo 0Accuracy: Town
Troop 61736
Attempted: Mar 24, 2017
Adoptable
Planted: Mar 1, 2017
Sunnybrae
San Mateo, CA
San Mateo 0.7Accuracy: Coordinate
Bay Front Path
Attempted: Jul 8, 2006
Adoptable
Planted: Jun 22, 2006
Foster City/ Burlingame, CA San Mateo 1.2Accuracy: Street
GOING MUSICAL IN SAN MATEO
Attempted: Jul 8, 2007
Adoptable
Planted: May 5, 2007
San Mateo-North Shoreview area, CA San Mateo 1.4Accuracy: Town
SCOUTING AROUND IN SAN MATEO
Attempted: Jul 8, 2007
Adoptable
Planted: May 5, 2007
San Mateo- North Shoreview area, CA San Mateo 1.4Accuracy: Town
SOMETHING FISHY IN SAN MATEO
Attempted: Jul 8, 2007
Adoptable
Planted: May 5, 2007
San Mateo- North Shoreview Area, CA San Mateo 1.4Accuracy: Town
Laurie's Playground -- MISSING 7-21-07
Missing: Feb 6, 2016
Adoptable
Planted: Jul 4, 2007
South San Mateo, CA San Mateo 2.2Accuracy: Town
SFO
Attempted: Nov 1, 2010
Adoptable
Planted: Dec 31, 2004
Burlingame, CA San Mateo 2.6Accuracy: Town
4-11-44 Traveler
OK: Dec 11, 2011
Adoptable
Planted: Jul 27, 2011
Hillsborough, CA San Mateo 3Accuracy: Town
Crossroads
Attempted: Jun 29, 2013
Adoptable
Planted: Oct 17, 2006
Hillsborough, CA San Mateo 3Accuracy: Town
Jepson Laurel
Attempted: Oct 4, 2018
Adoptable
Planted: Dec 17, 2006
Hillsborough, CA San Mateo 3Accuracy: Town
Siempre Adelante-
Retired: May 22, 2016
Adoptable
Planted: Oct 15, 2004
Hillsborough, CA San Mateo 3Accuracy: Town
Wetlands Hurray!
Found: Jun 30, 2008
Adoptable
Planted: Sep 23, 2004
Foster City, CA San Mateo 3Accuracy: Town
Audio Drama - Dinotopia
Retired: Feb 7, 2016
Nature Hikers
Planted: Jul 13, 2013
Casanova Park
San Mateo, CA
San Mateo 3.1Accuracy: Coordinate
What Is It? (letterbox/geocache hybrid)
Attempted: Aug 12, 2018
Adoptable
Planted: Sep 4, 2013
The It's It Factory
Burlingame, CA
San Mateo 3.1Accuracy: Coordinate
Harry Potter Horcrux 6
Found: Aug 12, 2018
Adoptable
Planted: Jan 1, 2012
Privet Drive
Hillsborough, CA
San Mateo 3.3Accuracy: Street
Dead Men Tell No Tales
Attempted: Aug 31, 2014
Adoptable
Planted: Jun 26, 2012
Twin Pines Park
Belmont, CA
San Mateo 4.1Accuracy: Coordinate
Go to the Fault-MISSING
Missing: Feb 6, 2016
Adoptable
Planted: Nov 6, 2004
Millbrae, CA San Mateo 4.1Accuracy: Town
Where's Waldo?
Attempted: Aug 11, 2008
Adoptable
Planted: Aug 10, 2004
Millbrae, CA San Mateo 4.1Accuracy: Town
Hangman Game 10
Found: Oct 4, 2018
Silver Eagle
Planted: Nov 2, 2010
Millbrae, CA San Mateo 4.2Accuracy: Town
Harry Potter (Book 2) (4)
Found 4: Apr 27, 2020
Nature Hikers
Planted: May 24, 2016
Hidden Canyon Park
Belmont, CA
San Mateo 4.3Accuracy: Coordinate
This Way to The Egress (Microbox)
Missing: Mar 30, 2016
Adoptable
Planted: Mar 17, 2006
Redwood Shores, CA San Mateo 4.8Accuracy: Town
Eaton Park: Stumped
Found: Jun 10, 2015
Adoptable
Planted: Apr 3, 2010
San Carlos, CA San Mateo 5.2Accuracy: Town
Running Rampant
Found: Jan 27, 2010
Adoptable
Planted: Jan 4, 2010
San Carlos, CA San Mateo 5.2Accuracy: Town
San Carlos Pine
Found: Jun 26, 2009
Adoptable
Planted: Feb 1, 2008
San Carlos, CA San Mateo 5.2Accuracy: Town
"H"is for HILLER Aviation Museum
Attempted: Aug 31, 2014
Adoptable
Planted: Jun 16, 2012
HILLER Aviation Museum, 601 Skyway Road
San Carlos, CA
San Mateo 5.3Accuracy: Coordinate
Ladies' Little Letterbox
Found: Aug 18, 2015
Adoptable
Planted: Jun 9, 2015
San Carlos, CA San Mateo 5.4Accuracy: Town
Big Canyon: 4 Boxes by Girl Scouts (4)
Found 2: Dec 16, 2013
Adoptable
Planted: Apr 21, 2013
Big Canyon Park
San Carlos, CA
San Mateo 5.8Accuracy: Coordinate
Sweeney Ridge
Attempted: Oct 2, 2018
Adoptable
Planted: Nov 16, 2008
San Bruno, CA San Mateo 6.6Accuracy: Town
Hangman Game 12
Found: Oct 2, 2018
Silver Eagle
Planted: Nov 1, 2010
San Bruno, CA San Mateo 6.6Accuracy: Town
It's All About The Benjamins (letterbox/geocache h
Found: Dec 30, 2014
Adoptable
Planted: Sep 4, 2013
Ben Franks No 2
Redwood City, CA
San Mateo 6.9Accuracy: Coordinate
Duck, Duck, Goose
Found: Oct 23, 2023
Nature Hikers
Planted: Jun 6, 2019
Redwood City, CA San Mateo 7.3Accuracy: Town
"Pura Vida"
Attempted: May 14, 2013
Adoptable
Planted: Dec 7, 2008
Redwood City, CA San Mateo 7.3Accuracy: Town
Deep Diver
Attempted: Dec 30, 2014
Adoptable
Planted: Dec 26, 2008
Redwood City, CA San Mateo 7.3Accuracy: Town
It's Your Day!---CURRENTLY MIA!
Found: Aug 14, 2008
Adoptable
Planted: Jul 9, 2008
Redwood City, CA San Mateo 7.3Accuracy: Town
Let's Go Frogging!
Missing: Mar 30, 2016
Adoptable
Planted: Mar 25, 2007
Redwood City, CA San Mateo 7.3Accuracy: Town
Perspicacious Pelican
Retired: Apr 28, 2017
Adoptable
Planted: Dec 26, 2008
Redwood City, CA San Mateo 7.3Accuracy: Town
aMAZEing
Found: Mar 18, 2009
Adoptable
Planted: May 1, 2008
South San Francisco, CA San Mateo 7.8Accuracy: Town
Portola "Discovery" Site
Attempted: Oct 2, 2018
Adoptable
Planted: Nov 6, 2011
Sweeney Ridge National Park
Pacifica, CA
San Mateo 7.8Accuracy: Intersection
Gear up on Mushrooms!
Found: Jun 16, 2017
Adoptable
Planted: Dec 31, 2012
SSF Centennial Trail
South San Francisco, CA
San Mateo 8.4Accuracy: Street
YPS - Yam Postal Service
Found: Mar 26, 2017
Adoptable
Planted: Apr 12, 2015
N 37 40.143 W 122 24.930
South San Francisco, CA
San Mateo 8.8Accuracy: Address
Elizabeth & Darcy
Found: Jan 1, 2023
Nature Hikers
Planted: Aug 18, 2013
Half Moon Bay, CA San Mateo 8.9Accuracy: Town
Harry Potter (Book 3) (5)
Found 5: May 19, 2021
Nature Hikers
Planted: Jul 4, 2017
Purisima Creek Redwoods Open Space Preserve
Redwood Park, CA
San Mateo 8.9Accuracy: Coordinate
Banana Slug City & Ladybug Jamboree (2)
Found 2: Dec 10, 2008
Adoptable
Planted: Dec 25, 2004
Half Moon Bay, CA San Mateo 8.9Accuracy: Town
Coastside Trail Series-reported missing 7/07 (2)
Missing 2: Feb 6, 2016
Adoptable
Planted: Nov 27, 2004
Half Moon Bay, CA San Mateo 8.9Accuracy: Town
Cowell Ranch Beach
Found: Dec 11, 2008
TimberToo
Planted: Jun 6, 2007
Half Moon Bay, CA San Mateo 8.9Accuracy: Town
In memory of My Dad
Missing: Mar 30, 2016
Adoptable
Planted: Nov 13, 2011
Skylawn Memorial Park
San Mateo on the way to Half Moon Bay, CA
San Mateo 8.9Accuracy: Town
Jumble Game 18
Attempted: Jan 28, 2024
Silver Eagle
Planted: Jul 28, 2011
Half Moon Bay, CA San Mateo 8.9Accuracy: Town
Picnic at the Beach
Retired: Mar 30, 2016
Adoptable
Planted: Jul 19, 2008
Half Moon Bay, CA San Mateo 8.9Accuracy: Town
Pigeon Point Lighthouse
Attempted: Mar 14, 2008
Adoptable
Planted: Mar 12, 2003
Half Moon Bay, CA San Mateo 8.9Accuracy: Town
Darcy Farrow
Found: Apr 22, 2016
Adoptable
Planted: Feb 27, 2009
Brisbane, CA San Mateo 9.1Accuracy: Town
Hangman Game 9
Found: Sep 12, 2015
Silver Eagle
Planted: Nov 1, 2010
Pacifica, CA San Mateo 9.5Accuracy: Town
Grandma Lita
Found: Dec 29, 2007
Adoptable
Planted: May 11, 2007
Pacifica, CA San Mateo 9.5Accuracy: Town
Harold and Maude #1 (Sarah's Babybox)
Attempted: Jun 8, 2008
Adoptable
Planted: Sep 10, 2005
Pacifica, CA San Mateo 9.5Accuracy: Town
These boots are made for hiking
Attempted: Aug 11, 2016
Adoptable
Planted: Jul 25, 2010
Pacifica, CA San Mateo 9.5Accuracy: Town
Upside Down Tree Letterbox
Found: Aug 3, 2013
Adoptable
Planted: Apr 15, 2008
Pacifica, CA San Mateo 9.5Accuracy: Town
Quilt Sampler (9)
Found 9: Nov 21, 2015
Nature Hikers
Planted: Nov 15, 2015
Purisima Redwood Creek Open Space Preserve
Redwood Park, CA
San Mateo 9.6Accuracy: Coordinate
Macy's Delight
Found: Apr 18, 2016
Adoptable
Planted: Apr 3, 2016
Peralta, past Rosita
Pacifica, CA
San Mateo 9.6Accuracy: Street
Holbrook Palmer Park
Found: May 7, 2006
Adoptable
Planted: Feb 9, 2006
Atherton, CA San Mateo 9.9Accuracy: Town
Cowgirls - Missing as of 08/06/07
Missing: Feb 6, 2016
Adoptable
Planted: Jul 4, 2007
Woodside, CA San Mateo 10Accuracy: Town
Dynasty
Found: Jul 15, 2010
Adoptable
Planted: Apr 16, 2009
woodside, CA San Mateo 10Accuracy: Town
Edgewood Park
Attempted: Jul 15, 2008
Adoptable
Planted: Mar 26, 2006
Woodside, CA San Mateo 10Accuracy: Town
Jumble Game 16
Found: Jan 4, 2024
Silver Eagle
Planted: Jul 27, 2011
Woodside, CA San Mateo 10Accuracy: Town
The Bee Area Hitchhiker Hostel
Attempted: Jul 2, 2014
Adoptable
Planted: Oct 11, 2010
Woodside, CA San Mateo 10Accuracy: Town
Diving Fishes
Found: Jan 11, 2024
Kudichan
Planted: Jun 8, 2019
Woodside, CA San Mateo 10Accuracy: Town
Little Cat Steps
Found: Jan 11, 2024
Kudichan
Planted: Jun 8, 2019
Woodside, CA San Mateo 10Accuracy: Town
Point Montara
Found: May 16, 2016
Adoptable
Planted: Dec 10, 2008
Montara, CA San Mateo 10.5Accuracy: Town
Pagurus, the tidepool entertainer
Attempted: Jul 28, 2011
Adoptable
Planted: Jan 15, 2005
Moss Beach, CA San Mateo 10.5Accuracy: Town
Sea Elephant
Found: Apr 27, 2014
Silver Eagle
Planted: Mar 14, 2010
Moss Beach, CA San Mateo 10.5Accuracy: Town
Peep-Squeek
Retired: Apr 24, 2017
Adoptable
Planted: Jul 7, 2009
Colma, CA San Mateo 10.6Accuracy: Town
Brownie Troop #62376
Attempted: Jul 7, 2017
Adoptable
Planted: May 16, 2016
Fitzgerald Marine Reserve
Moss Beach, CA
San Mateo 10.7Accuracy: Coordinate
Bay shore Roundhouse Schpug Family
Planted: Sep 6, 2015
2800 Bayshore Blvd
Brisbane, CA
San Mateo 10.7Accuracy: Address
Poopy in Pacifica
Retired: Apr 24, 2017
Adoptable
Planted: Jul 18, 2009
Fairmont Park
Pacifica, CA
San Mateo 10.8Accuracy: Coordinate
Greek
Attempted: Jun 14, 2012
Adoptable
Planted: Nov 4, 2008
Menlo Park, CA San Mateo 10.9Accuracy: Town
Peetnik
Found: Nov 15, 2011
Adoptable
Planted: Nov 4, 2008
Menlo Park, CA San Mateo 10.9Accuracy: Town
Wild & Free (replaced 4/15/08)
Found: Mar 26, 2008
Adoptable
Planted: Mar 25, 2008
Menlo Park, CA San Mateo 10.9Accuracy: Town
Wild & Free( #2)
Missing: Jun 17, 2012
Adoptable
Planted: Apr 15, 2008
Menlo Park, CA San Mateo 10.9Accuracy: Town
"A" is for AIRPLANE
Attempted: Oct 3, 2012
Adoptable
Planted: Jun 15, 2012
Jack Lyle Park
Menlo Park, CA
San Mateo 11.3Accuracy: Coordinate
'Dem bones (3)
Retired 3: Mar 30, 2016
Adoptable
Planted: Jun 9, 2012
Holy Cross Cemetery
Menlo Park, CA, CA
San Mateo 11.4Accuracy: Coordinate
Fish Out Of Water
Attempted: Jul 8, 2007
Adoptable
Planted: Jul 8, 2004
Daly City, CA San Mateo 11.7Accuracy: Town
The Frolicking Place (No Clues)
Found: Jul 4, 2009
Adoptable
Planted: Oct 24, 2004
Daly City, CA San Mateo 11.7Accuracy: Town
toxophile
Attempted: Oct 14, 2007
Adoptable
Planted: Mar 16, 2007
daly city, CA San Mateo 11.7Accuracy: Town
Love-a-lot Bear
Retired: May 30, 2016
Adoptable
Planted: Nov 17, 2010
Stanford, CA Santa Clara 12.7Accuracy: Coordinate
Do Butterflies Make Good Pets?
Retired: Nov 16, 2016
Nature Hikers
Planted: May 14, 2013
Coyote Hills Regional Park
Fremont, CA
Alameda 12.7Accuracy: Coordinate
Timber!
Attempted: Oct 15, 2022
RedwoodAvery
Planted: Jun 13, 2019
Stanford, CA Santa Clara 13Accuracy: Town
The Dish
Attempted: Jan 28, 2023
Adoptable
Planted: Jul 29, 2005
Palo Alto, CA Santa Clara 13.1Accuracy: Town
"Tulip"
Retired: Mar 30, 2016
Adoptable
Planted: Nov 4, 2008
Palo Alto, CA Santa Clara 13.1Accuracy: Town
A Garden with Legacy
Missing: Aug 13, 2013
Adoptable
Planted: Nov 25, 2010
Palo Alto, CA Santa Clara 13.1Accuracy: Town
Angel of Grief-Reported missing 12/31/2005
Missing: Feb 6, 2016
Adoptable
Planted: Jul 29, 2005
Palo Alto, CA Santa Clara 13.1Accuracy: Town
Baylands Duck Pond(missing)
Missing: Feb 6, 2016
TimberToo
Planted: Nov 23, 2005
Palo Alto, CA Santa Clara 13.1Accuracy: Town
Baylands Memory
Attempted: Mar 23, 2008
Adoptable
Planted: Dec 30, 2003
Palo Alto, CA Santa Clara 13.1Accuracy: Town
Call of the Agave-reported missing 5/5/06
Missing: Feb 6, 2016
Adoptable
Planted: Sep 1, 2005
Palo Alto, CA Santa Clara 13.1Accuracy: Town
Dusk to Dawn
Found: Jul 30, 2009
Adoptable
Planted: Dec 4, 2007
Palo Alto, CA Santa Clara 13.1Accuracy: Town
Flutter-By
Attempted: Jul 12, 2019
Adoptable
Planted: Nov 26, 2010
Palo Alto, CA Santa Clara 13.1Accuracy: Town