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Nearby Letterboxes

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

(512 listings)

Letterbox name Found date Clue owner Location County Distance
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 0Accuracy: Coordinate
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 0.8Accuracy: Coordinate
Elizabeth & Darcy
Found: Jan 1, 2023
Nature Hikers
Planted: Aug 18, 2013
Half Moon Bay, CA San Mateo 4.9Accuracy: Town
Banana Slug City & Ladybug Jamboree (2)
Found 2: Dec 10, 2008
Adoptable
Planted: Dec 25, 2004
Half Moon Bay, CA San Mateo 4.9Accuracy: 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 4.9Accuracy: Town
Cowell Ranch Beach
Found: Dec 11, 2008
TimberToo
Planted: Jun 6, 2007
Half Moon Bay, CA San Mateo 4.9Accuracy: 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 4.9Accuracy: Town
Jumble Game 18
Attempted: Jan 28, 2024
Silver Eagle
Planted: Jul 28, 2011
Half Moon Bay, CA San Mateo 4.9Accuracy: Town
Picnic at the Beach
Retired: Mar 30, 2016
Adoptable
Planted: Jul 19, 2008
Half Moon Bay, CA San Mateo 4.9Accuracy: Town
Pigeon Point Lighthouse
Attempted: Mar 14, 2008
Adoptable
Planted: Mar 12, 2003
Half Moon Bay, CA San Mateo 4.9Accuracy: Town
Cowgirls - Missing as of 08/06/07
Missing: Feb 6, 2016
Adoptable
Planted: Jul 4, 2007
Woodside, CA San Mateo 5.1Accuracy: Town
Dynasty
Found: Jul 15, 2010
Adoptable
Planted: Apr 16, 2009
woodside, CA San Mateo 5.1Accuracy: Town
Edgewood Park
Attempted: Jul 15, 2008
Adoptable
Planted: Mar 26, 2006
Woodside, CA San Mateo 5.1Accuracy: Town
Jumble Game 16
Found: Jan 4, 2024
Silver Eagle
Planted: Jul 27, 2011
Woodside, CA San Mateo 5.1Accuracy: Town
The Bee Area Hitchhiker Hostel
Attempted: Jul 2, 2014
Adoptable
Planted: Oct 11, 2010
Woodside, CA San Mateo 5.1Accuracy: 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 5.1Accuracy: Coordinate
Diving Fishes
Found: Jan 11, 2024
Kudichan
Planted: Jun 8, 2019
Woodside, CA San Mateo 5.1Accuracy: Town
Little Cat Steps
Found: Jan 11, 2024
Kudichan
Planted: Jun 8, 2019
Woodside, CA San Mateo 5.1Accuracy: Town
Harry Potter (Book 2) (4)
Found 4: Apr 27, 2020
Nature Hikers
Planted: May 24, 2016
Hidden Canyon Park
Belmont, CA
San Mateo 5.4Accuracy: Coordinate
Ladies' Little Letterbox
Found: Aug 18, 2015
Adoptable
Planted: Jun 9, 2015
San Carlos, CA San Mateo 6Accuracy: Town
Dead Men Tell No Tales
Attempted: Aug 31, 2014
Adoptable
Planted: Jun 26, 2012
Twin Pines Park
Belmont, CA
San Mateo 6.7Accuracy: Coordinate
Eaton Park: Stumped
Found: Jun 10, 2015
Adoptable
Planted: Apr 3, 2010
San Carlos, CA San Mateo 6.8Accuracy: Town
Running Rampant
Found: Jan 27, 2010
Adoptable
Planted: Jan 4, 2010
San Carlos, CA San Mateo 6.8Accuracy: Town
San Carlos Pine
Found: Jun 26, 2009
Adoptable
Planted: Feb 1, 2008
San Carlos, CA San Mateo 6.8Accuracy: Town
Laurie's Playground -- MISSING 7-21-07
Missing: Feb 6, 2016
Adoptable
Planted: Jul 4, 2007
South San Mateo, CA San Mateo 6.8Accuracy: Town
Duck, Duck, Goose
Found: Oct 23, 2023
Nature Hikers
Planted: Jun 6, 2019
Redwood City, CA San Mateo 6.9Accuracy: Town
"Pura Vida"
Attempted: May 14, 2013
Adoptable
Planted: Dec 7, 2008
Redwood City, CA San Mateo 7Accuracy: Town
Deep Diver
Attempted: Dec 30, 2014
Adoptable
Planted: Dec 26, 2008
Redwood City, CA San Mateo 7Accuracy: Town
It's Your Day!---CURRENTLY MIA!
Found: Aug 14, 2008
Adoptable
Planted: Jul 9, 2008
Redwood City, CA San Mateo 7Accuracy: Town
Let's Go Frogging!
Missing: Mar 30, 2016
Adoptable
Planted: Mar 25, 2007
Redwood City, CA San Mateo 7Accuracy: Town
Perspicacious Pelican
Retired: Apr 28, 2017
Adoptable
Planted: Dec 26, 2008
Redwood City, CA San Mateo 7Accuracy: 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 7Accuracy: Coordinate
The Big Cheese Fondue
Found: Jun 8, 2019
Nature Hikers
Planted: Jul 7, 2018
Portola Valley, CA San Mateo 7.1Accuracy: Town
California History
Found: Sep 13, 2018
Adoptable
Planted: Jan 12, 2005
Portola Valley, CA San Mateo 7.1Accuracy: Town
Not Calm, Not Flat
Retired: Apr 29, 2017
Adoptable
Planted: Mar 20, 2008
Portola Valley, CA San Mateo 7.1Accuracy: Town
Procyon Lotor
Attempted: Jun 22, 2008
Adoptable
Planted: Nov 25, 2004
Portola Valley, CA San Mateo 7.1Accuracy: 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 7.4Accuracy: Coordinate
Audio Drama - Dinotopia
Retired: Feb 7, 2016
Nature Hikers
Planted: Jul 13, 2013
Casanova Park
San Mateo, CA
San Mateo 7.7Accuracy: Coordinate
We All Scream For Ice Cream, 2010 Series
Found: Aug 25, 2014
Adoptable
Planted: Sep 25, 2010
San Gregorio, CA San Mateo 7.8Accuracy: Town
"G" is for Geebee
Attempted: Apr 3, 2015
Adoptable
Planted: Oct 9, 2012
Arastrodero Preserve adjacent
Portola Valley, CA
San Mateo 8Accuracy: Coordinate
Wildlife of Windy Hill (5)
Found 5: Sep 25, 2012
Adoptable
Planted: Jun 16, 2012
Windy Hill Preserve
Portola Valley, CA
San Mateo 8Accuracy: Coordinate
'Dem bones (3)
Retired 3: Mar 30, 2016
Adoptable
Planted: Jun 9, 2012
Holy Cross Cemetery
Menlo Park, CA, CA
San Mateo 8.2Accuracy: Coordinate
Holbrook Palmer Park
Found: May 7, 2006
Adoptable
Planted: Feb 9, 2006
Atherton, CA San Mateo 8.3Accuracy: Town
School is Cool Series (4)
Retired 4: Mar 30, 2016
Adoptable
Planted: Apr 10, 2012
Corte Madera School
Portola Valley, CA
San Mateo 8.7Accuracy: Coordinate
Born in the USA
Attempted: Jan 24, 2014
Adoptable
Planted: Jul 12, 2010
San Mateo, CA San Mateo 8.9Accuracy: Town
Get to the Point
Attempted: Sep 6, 2010
Adoptable
Planted: May 1, 2004
San Mateo, CA San Mateo 8.9Accuracy: Town
In The Hollow
Found: Oct 15, 2015
look for more trains
Planted: Sep 14, 2006
San Mateo, CA San Mateo 8.9Accuracy: Town
San Mateo Public Library Adoptable
Planted: Dec 4, 2006
San Mateo, CA San Mateo 8.9Accuracy: Town
Shopaholic
Found: Aug 6, 2009
Adoptable
Planted: Jul 29, 2009
San Mateo, CA San Mateo 8.9Accuracy: Town
Windy Weather
Retired: Mar 30, 2016
Adoptable
Planted: Sep 14, 2009
San Mateo, CA San Mateo 8.9Accuracy: Town
This Way to The Egress (Microbox)
Missing: Mar 30, 2016
Adoptable
Planted: Mar 17, 2006
Redwood Shores, CA San Mateo 8.9Accuracy: Town
beresford park - no longer active
Retired: Jan 4, 2021
look for more trains
Planted: Sep 2, 2006
San Mateo, CA San Mateo 8.9Accuracy: Town
Troop 61736
Attempted: Mar 24, 2017
Adoptable
Planted: Mar 1, 2017
Sunnybrae
San Mateo, CA
San Mateo 8.9Accuracy: Coordinate
"A" is for AIRPLANE
Attempted: Oct 3, 2012
Adoptable
Planted: Jun 15, 2012
Jack Lyle Park
Menlo Park, CA
San Mateo 9Accuracy: Coordinate
Christmas 2008 Letterbox: Christmas in the Redwood
Found: Nov 15, 2011
Adoptable
Planted: Mar 8, 2009
La Honda, CA San Mateo 9Accuracy: Town
Greek
Attempted: Jun 14, 2012
Adoptable
Planted: Nov 4, 2008
Menlo Park, CA San Mateo 9.1Accuracy: Town
Peetnik
Found: Nov 15, 2011
Adoptable
Planted: Nov 4, 2008
Menlo Park, CA San Mateo 9.1Accuracy: Town
Wild & Free (replaced 4/15/08)
Found: Mar 26, 2008
Adoptable
Planted: Mar 25, 2008
Menlo Park, CA San Mateo 9.1Accuracy: Town
Wild & Free( #2)
Missing: Jun 17, 2012
Adoptable
Planted: Apr 15, 2008
Menlo Park, CA San Mateo 9.1Accuracy: Town
Harry Potter Horcrux 6
Found: Aug 12, 2018
Adoptable
Planted: Jan 1, 2012
Privet Drive
Hillsborough, CA
San Mateo 9.3Accuracy: Street
Love-a-lot Bear
Retired: May 30, 2016
Adoptable
Planted: Nov 17, 2010
Stanford, CA Santa Clara 9.3Accuracy: Coordinate
Wetlands Hurray!
Found: Jun 30, 2008
Adoptable
Planted: Sep 23, 2004
Foster City, CA San Mateo 9.5Accuracy: Town
GOING MUSICAL IN SAN MATEO
Attempted: Jul 8, 2007
Adoptable
Planted: May 5, 2007
San Mateo-North Shoreview area, CA San Mateo 9.7Accuracy: Town
SCOUTING AROUND IN SAN MATEO
Attempted: Jul 8, 2007
Adoptable
Planted: May 5, 2007
San Mateo- North Shoreview area, CA San Mateo 9.7Accuracy: Town
SOMETHING FISHY IN SAN MATEO
Attempted: Jul 8, 2007
Adoptable
Planted: May 5, 2007
San Mateo- North Shoreview Area, CA San Mateo 9.7Accuracy: Town
4-11-44 Traveler
OK: Dec 11, 2011
Adoptable
Planted: Jul 27, 2011
Hillsborough, CA San Mateo 9.7Accuracy: Town
Crossroads
Attempted: Jun 29, 2013
Adoptable
Planted: Oct 17, 2006
Hillsborough, CA San Mateo 9.7Accuracy: Town
Jepson Laurel
Attempted: Oct 4, 2018
Adoptable
Planted: Dec 17, 2006
Hillsborough, CA San Mateo 9.7Accuracy: Town
Siempre Adelante-
Retired: May 22, 2016
Adoptable
Planted: Oct 15, 2004
Hillsborough, CA San Mateo 9.7Accuracy: Town
Bay Front Path
Attempted: Jul 8, 2006
Adoptable
Planted: Jun 22, 2006
Foster City/ Burlingame, CA San Mateo 9.8Accuracy: Street
Timber!
Attempted: Oct 15, 2022
RedwoodAvery
Planted: Jun 13, 2019
Stanford, CA Santa Clara 9.9Accuracy: Town
Fly on the Wall
Attempted: Jul 2, 2014
Adoptable
Planted: May 27, 2012
Arastradero Preserve
Los Altos, CA
Santa Clara 10Accuracy: Coordinate
SFO
Attempted: Nov 1, 2010
Adoptable
Planted: Dec 31, 2004
Burlingame, CA San Mateo 10.3Accuracy: Town
Brownie Troop #62376
Attempted: Jul 7, 2017
Adoptable
Planted: May 16, 2016
Fitzgerald Marine Reserve
Moss Beach, CA
San Mateo 11Accuracy: 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 11Accuracy: Coordinate
Pagurus, the tidepool entertainer
Attempted: Jul 28, 2011
Adoptable
Planted: Jan 15, 2005
Moss Beach, CA San Mateo 11.1Accuracy: Town
Sea Elephant
Found: Apr 27, 2014
Silver Eagle
Planted: Mar 14, 2010
Moss Beach, CA San Mateo 11.1Accuracy: Town
The Dish
Attempted: Jan 28, 2023
Adoptable
Planted: Jul 29, 2005
Palo Alto, CA Santa Clara 11.2Accuracy: Town
"Tulip"
Retired: Mar 30, 2016
Adoptable
Planted: Nov 4, 2008
Palo Alto, CA Santa Clara 11.2Accuracy: Town
A Garden with Legacy
Missing: Aug 13, 2013
Adoptable
Planted: Nov 25, 2010
Palo Alto, CA Santa Clara 11.2Accuracy: Town
Angel of Grief-Reported missing 12/31/2005
Missing: Feb 6, 2016
Adoptable
Planted: Jul 29, 2005
Palo Alto, CA Santa Clara 11.2Accuracy: Town
Baylands Duck Pond(missing)
Missing: Feb 6, 2016
TimberToo
Planted: Nov 23, 2005
Palo Alto, CA Santa Clara 11.2Accuracy: Town
Baylands Memory
Attempted: Mar 23, 2008
Adoptable
Planted: Dec 30, 2003
Palo Alto, CA Santa Clara 11.2Accuracy: Town
Call of the Agave-reported missing 5/5/06
Missing: Feb 6, 2016
Adoptable
Planted: Sep 1, 2005
Palo Alto, CA Santa Clara 11.2Accuracy: Town
Dusk to Dawn
Found: Jul 30, 2009
Adoptable
Planted: Dec 4, 2007
Palo Alto, CA Santa Clara 11.2Accuracy: Town
Flutter-By
Attempted: Jul 12, 2019
Adoptable
Planted: Nov 26, 2010
Palo Alto, CA Santa Clara 11.2Accuracy: Town
Godzilla's Nemesis
Attempted: Aug 11, 2016
Adoptable
Planted: Sep 1, 2005
Palo Alto, CA Santa Clara 11.2Accuracy: Town
Lake Little Lake
Attempted: Jan 14, 2009
Adoptable
Planted: Jul 29, 2005
Palo Alto, CA Santa Clara 11.2Accuracy: Town
Mem Church--reported missing 11/5/05
Missing: Feb 6, 2016
Adoptable
Planted: Jul 28, 2005
Palo Alto, CA Santa Clara 11.2Accuracy: Town
Mr. Ed
Retired: May 22, 2016
Adoptable
Planted: Mar 21, 2006
Palo Alto, CA Santa Clara 11.2Accuracy: Town
Never Squat With Your Spurs On
Attempted: Jan 17, 2023
Adoptable
Planted: Aug 26, 2007
Palo Alto, CA Santa Clara 11.2Accuracy: Town
Palo Alto Festival of the Arts
Retired: Apr 24, 2017
Adoptable
Planted: Aug 28, 2010
Palo Alto, CA Santa Clara 11.2Accuracy: Town
Shrek finds a home at Bol Park (3)
Found 1: Sep 14, 2013
Adoptable
Planted: Sep 26, 2010
Palo Alto, CA Santa Clara 11.2Accuracy: Town
The Big Tower--reported missing 12/06
Missing: Feb 6, 2016
Adoptable
Planted: Jul 29, 2005
Palo Alto, CA Santa Clara 11.2Accuracy: Town
The Cranky Donkey
Found: Jul 12, 2019
Adoptable
Planted: Sep 5, 2004
Palo Alto, CA Santa Clara 11.2Accuracy: Town
The Cure
Retired: Mar 30, 2016
Adoptable
Planted: Nov 4, 2008
Palo Alto, CA San Mateo 11.2Accuracy: Town
The Great (Glass) Pumpkin
Found: Oct 16, 2010
Adoptable
Planted: Sep 30, 2010
Palo Alto, CA Santa Clara 11.2Accuracy: Town
The Thinker-confirmed missing 2/19/07
Missing: Feb 6, 2016
Adoptable
Planted: Mar 22, 2006
Palo Alto, CA Santa Clara 11.2Accuracy: Town
Trilogy: A New Bowl
Missing: Jan 29, 2011
Adoptable
Planted: Oct 4, 2008
Palo Alto, CA Santa Clara 11.2Accuracy: Town
What can come from a carpool?
Found: Dec 22, 2013
Adoptable
Planted: Sep 26, 2010
Palo Alto, CA Santa Clara 11.2Accuracy: Town