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Nearby Letterboxes

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

(519 listings)

Letterbox name Found date Clue owner Location County Distance
Grateful Dead Series #1 - He's Gone
Attempted: Feb 21, 2022
Adoptable
Planted: Aug 8, 2004
Pleasanton/Sunol, CA Alameda 0Accuracy: Coordinate
Come Out And Play
OK: Jun 22, 2017
Nature Hikers
Planted: Jun 18, 2013
Pleasanton, CA Alameda 0.3Accuracy: Town
Short walk to sunshine
Attempted: Mar 5, 2021
Adoptable
Planted: Jul 15, 2014
Pleasanton, CA Alameda 0.3Accuracy: Town
Parks Rock
Found: Aug 1, 2021
GreenGrlz
Planted: Jan 4, 2021
Pleasanton, CA Alameda 0.4Accuracy: Town
State of Giving
Found: Aug 17, 2013
Adoptable
Planted: Dec 27, 2009
Pleasanton, CA Alameda 0.4Accuracy: Town
BART Station #8
Retired: Mar 31, 2016
Adoptable
Planted: Feb 27, 2010
Pleasanton, CA Alameda 0.5Accuracy: Town
Pleasanton Ridge (6)
Attempted 2: Jan 31, 2011
Coyotl Clan
Planted: Dec 31, 1969
Pleasanton, CA Alameda 0.5Accuracy: Town
The Mustang Box
Retired: Mar 31, 2016
Adoptable
Planted: Aug 3, 2005
Pleasanton, CA Alameda 0.5Accuracy: Town
#AwesomeSilvercorns Troop31019
Planted: Nov 7, 2020
Pleasanton Ridge Regional Park
Pleasanton, CA
Alameda 3Accuracy: Coordinate
gingerbreadman
Found: Mar 23, 2020
Adoptable
Planted: Mar 30, 2008
Dublin, CA Alameda 4.2Accuracy: Town
Kate's Birthday Skates
Found: Apr 18, 2010
Adoptable
Planted: Apr 10, 2010
Dublin, CA Alameda 4.2Accuracy: Town
Snowflake1
Attempted: Dec 8, 2015
Adoptable
Planted: Mar 30, 2008
Dublin, CA Alameda 4.2Accuracy: Town
Quest
Attempted: Mar 22, 2020
Adoptable
Planted: Feb 15, 2013
Shannon Park
Dublin, CA
Alameda 5Accuracy: Coordinate
Trick or Treat
Retired: Feb 17, 2020
Nature Hikers
Planted: Oct 5, 2013
G&M Farms
Livermore, CA
Alameda 5.4Accuracy: Coordinate
Armadillo Milly
Attempted: Jan 7, 2012
Camp Frekkles
Planted: Oct 20, 2007
Livermore, CA Alameda 6.4Accuracy: Town
Sycamore Grove
Found: Mar 29, 2008
Adoptable
Planted: Mar 3, 2004
Livermore, CA Alameda 6.4Accuracy: Town
Birthday
Attempted: Oct 10, 2012
Pebbles
Planted: Dec 3, 2009
Livermore, CA Alameda 6.4Accuracy: Town
Brushy Peak (2)
Attempted 2: Jan 7, 2012
Adoptable
Planted: Mar 8, 2009
Livermore, CA Alameda 6.4Accuracy: Town
Camp Arroyo Outdoor School
Retired: May 29, 2012
Little Foot 1221
Planted: Jun 11, 2008
Livermore, CA Alameda 6.4Accuracy: Town
Go Fish! letterbox
Retired: Mar 31, 2016
Camp Frekkles
Planted: Aug 18, 2007
Livermore, CA Alameda 6.4Accuracy: Town
H. Potter
Found: Jul 5, 2010
Pebbles
Planted: Dec 3, 2009
Livermore, CA Alameda 6.4Accuracy: Town
Livermore: The Movie
Attempted: May 6, 2017
Adoptable
Planted: Nov 25, 2004
Livermore, CA Alameda 6.4Accuracy: Town
Morgan Territory Boxes 1&2 (2)
Found 2: Jan 8, 2012
Coyotl Clan
Planted: Not specified
Livermore, CA Alameda 6.4Accuracy: Town
Motion Machine
Found: Mar 6, 2021
Adoptable
Planted: Nov 30, 2004
Livermore, CA Alameda 6.4Accuracy: Town
Muchacho Fiesta
Retired: Mar 31, 2016
Camp Frekkles
Planted: Aug 18, 2007
Livermore, CA Alameda 6.4Accuracy: Town
My Purple Cupcake
Retired: Feb 25, 2016
Adoptable
Planted: Jun 29, 2010
Livermore, CA Alameda 6.4Accuracy: Town
Pine Tree Island
Attempted: Sep 18, 2020
Adoptable
Planted: Nov 18, 2006
Livermore, CA Alameda 6.4Accuracy: Town
Rainbow Tree
Retired: Apr 25, 2017
Adoptable
Planted: Nov 18, 2006
Livermore, CA Alameda 6.4Accuracy: Town
Candyland (7)
Found 7: Feb 14, 2016
Nature Hikers
Planted: Nov 9, 2014
Dry Creek Regional Park
Union City, CA
Alameda 7.6Accuracy: Coordinate
GISHWHES Team AnythingButNormal
Attempted: Sep 5, 2017
Adoptable
Planted: Aug 9, 2017
37592 Niles Blvd, Fremont, CA 94536
Fremont, CA
Alameda 7.7Accuracy: Address
Lord Licorice
Missing: Sep 21, 2017
Nature Hikers
Planted: Nov 9, 2014
Dry Creek Regional Park
Union City, CA
Alameda 8.5Accuracy: Coordinate
Stiver's Diver
Missing: Oct 6, 2020
Nature Hikers
Planted: Nov 4, 2012
Fremont Central Park
Fremont, CA
Alameda 8.7Accuracy: Coordinate
#LoveGrowsHereLetterBox
Found: Feb 28, 2021
Adoptable
Planted: Sep 2, 2014
Sabercat Creek Trail
Fremont, CA
Alameda 9.5Accuracy: Coordinate
#TrollTollLetterBox
Found: Nov 30, 2014
Adoptable
Planted: Sep 2, 2014
Sabercat Creek Trail
Fremont, CA
Alameda 9.5Accuracy: Coordinate
Ardenwood Farm Train
Found: May 3, 2014
Adoptable
Planted: Nov 22, 2006
Fremont, CA Alameda 9.6Accuracy: Town
Extinct Megafauna of the Bay Area: Saber-Toothed Cat
Missing: Mar 19, 2023
Nature Hikers
Planted: Jan 9, 2021
Fremont, CA Alameda 9.6Accuracy: Town
GISHWHES Spoonie Box
Found: Aug 27, 2017
Adoptable
Planted: Aug 6, 2017
total.rates.shop
Fremont, CA
Alameda 9.6Accuracy: Town
Mad Libs Game 1
Missing: Nov 3, 2023
Nature Hikers
Planted: Jan 9, 2021
Fremont, CA Alameda 9.6Accuracy: Town
Golden Heron
OK: May 11, 2019
Nature Hikers
Planted: Jun 7, 2013
Fremont, CA Alameda 9.6Accuracy: Town
Astonishing Creatures: the Monarch Migration
Attempted: May 3, 2014
Adoptable
Planted: Apr 30, 2006
Fremont, CA Alameda 9.6Accuracy: Town
Coyote Hills Box
Attempted: Jun 24, 2014
Adoptable
Planted: Dec 30, 2010
Fremont, CA Alameda 9.6Accuracy: Town
Micro/Macro (4)
Attempted 3: Jun 11, 2012
Adoptable
Planted: Apr 22, 2006
Fremont, CA Alameda 9.6Accuracy: Town
Mission San Jose
Attempted: May 10, 2014
Adoptable
Planted: Jan 20, 2008
Fremont, CA Alameda 9.6Accuracy: Town
Plant Communities: Central Oak Woodland (5)
Found 1: Mar 31, 2010
Adoptable
Planted: Mar 26, 2010
San Ramon, CA Contra Costa 9.9Accuracy: Town
Cars 2 (An Abbreviated Tale) (4)
Found 1: Jul 10, 2018
Nature Hikers
Planted: Dec 31, 2015
Union City, CA Alameda 9.9Accuracy: Town
Only one room?
Found: Sep 13, 2020
suncassie
Planted: Jul 13, 2020
1650 Finley Road, Pleasanton, 94588
Pleasanton, CA
Alameda 10.1Accuracy: Coordinate
Finding Finley suncassie
Planted: Jul 13, 2020
Finley Road, Pleasanton, 94588
Pleasanton, CA
Alameda 10.5Accuracy: Street
Her First Camping Trip
Found: Oct 20, 2015
Nature Hikers
Planted: Oct 17, 2015
Del Valle Regional Park
Livermore, CA
Alameda 10.9Accuracy: Coordinate
Eden Shores: ribbit-ribbit
Retired: Apr 2, 2016
Adoptable
Planted: May 2, 2009
Hayward, CA Alameda 10.9Accuracy: Town
Garin Park: Above Buttonwood
Attempted: Jan 1, 2016
Adoptable
Planted: Nov 25, 2006
Hayward, CA Alameda 10.9Accuracy: Town
One Tree Hill
Found: Jul 4, 2016
Adoptable
Planted: Apr 12, 2009
Hayward, CA Alameda 10.9Accuracy: Town
Pirate's Cove Cannonball
Attempted: Feb 14, 2014
Adoptable
Planted: Jun 29, 2005
Hayward, CA Alameda 10.9Accuracy: Town
BART Station #9
Retired: Apr 2, 2016
Adoptable
Planted: Feb 28, 2010
Castro Valley, CA Alameda 11.4Accuracy: Town
fairmont ridge (2)
Attempted 2: Oct 30, 2013
Adoptable
Planted: Feb 15, 2008
Castro Valley, CA Alameda 11.4Accuracy: Town
It's a Walk in the Park!
Found: Nov 3, 2016
Kudichan
Planted: May 29, 2015
Lake Chabot Regional Park
Castro Valley, CA
Alameda 12.5Accuracy: Coordinate
The Flower Cove
Attempted 0: Feb 18, 2013
Adoptable
Planted: Aug 29, 2011
Warm Springs
fremont, CA
Alameda 12.6Accuracy: Intersection
Hiking to Hades
Attempted: Feb 25, 2016
Wisconsin Hiker
Planted: Jul 24, 2009
Danville, CA Contra Costa 13Accuracy: Town
Danville Depot
Retired: Mar 30, 2016
Adoptable
Planted: Feb 26, 2010
Danville, CA Contra Costa 13Accuracy: Town
Do Butterflies Make Good Pets?
Retired: Nov 16, 2016
Nature Hikers
Planted: May 14, 2013
Coyote Hills Regional Park
Fremont, CA
Alameda 13.6Accuracy: Coordinate
Harry Potter (Book 1) (5)
Found 5: Feb 23, 2016
Nature Hikers
Planted: Feb 14, 2016
Anthony Chabot Regional Park
Oakland, CA
Alameda 14.5Accuracy: Coordinate
Joli Lac Chabot
Found: Feb 5, 2016
Adoptable
Planted: Mar 22, 2013
Estudillo Avenue
San Leandro, CA
Alameda 15Accuracy: Street
Hemme-ingway (4)
Retired 4: Mar 30, 2016
Adoptable
Planted: Mar 8, 2010
Alamo, CA Contra Costa 15.6Accuracy: Town
East Bay Trail
Found: Jan 26, 2009
Adoptable
Planted: Jun 29, 2005
San Leandro, CA Alameda 15.7Accuracy: Town
Icons for California -- San Leandro
Found: Jul 26, 2009
Adoptable
Planted: Jun 27, 2006
San Leandro, CA Alameda 15.7Accuracy: Town
Spotting a Bald Eagle
Found: Mar 24, 2015
Nature Hikers
Planted: Feb 16, 2015
Milpitas, CA Alameda 15.7Accuracy: Town
Brownie Troop 62727
Found: Sep 15, 2018
Adoptable
Planted: Apr 1, 2018
Don Edwards Wildlife Refuge
Alviso, CA
Santa Clara 15.7Accuracy: Coordinate
Sarah's Window
Found: Aug 17, 2013
Adoptable
Planted: Feb 23, 2013
near the water pollution control plant
Sunnyvale, CA
Santa Clara 18.1Accuracy: Coordinate
Grateful Dead Series #2 Steal Your Face
Attempted: Dec 3, 2011
Adoptable
Planted: Aug 22, 2004
Moraga, CA Contra Costa 18.2Accuracy: Town
Icons for California -- Saint Mary
Found: May 10, 2010
Adoptable
Planted: Jun 3, 2006
Moraga, CA Contra Costa 18.2Accuracy: Town
Wham! Bang! Boom!
Retired: Mar 30, 2016
Adoptable
Planted: Oct 8, 2006
Moraga, CA Contra Costa 18.2Accuracy: Town
La Paloma
Found: Dec 16, 2015
sun7flour
Planted: Jul 25, 2013
Alum Rock Park
San Jose, CA
Santa Clara 18.6Accuracy: Coordinate
Revolutionary Heroes of the Oakland Hills
Found: Feb 9, 2010
Adoptable
Planted: Feb 8, 2010
Redwood Regional Park
Oakland, CA
Alameda 18.9Accuracy: Coordinate
Take me to the Dog Park
Found: Jan 25, 2015
Adoptable
Planted: Apr 9, 2012
Shoreline Dog Park
Mountain View, CA
Santa Clara 19.2Accuracy: Coordinate
"4 of a Kind" (#1)
Found: Feb 25, 2010
Adoptable
Planted: Dec 30, 2006
Clayton, CA Contra Costa 19.7Accuracy: Town
Contra Costa Series #1
Attempted: May 13, 2007
Adoptable
Planted: Feb 23, 2003
Clayton, CA Contra Costa 19.7Accuracy: Town
Buena Vista Bulldogs
Found: Mar 8, 2010
Adoptable
Planted: Mar 6, 2010
Walnut Creek, CA Contra Costa 19.8Accuracy: Town
Castle Rock
Found: Jul 27, 2009
Adoptable
Planted: Apr 15, 2003
Walnut Creek, CA Contra Costa 19.8Accuracy: Town
Castle Rock...Not for the feint of heart hike!
Found: Jun 1, 2012
Adoptable
Planted: Jul 6, 2008
Walnut Creek, CA Contra Costa 19.8Accuracy: Town
Contra Costa Series #4
Found: May 7, 2007
Adoptable
Planted: Apr 1, 2003
Walnut Creek, CA Contra Costa 19.8Accuracy: Town
Dig Dug
Found: Jan 10, 2010
Adoptable
Planted: Jul 25, 2009
Walnut Creek, CA Contra Costa 19.8Accuracy: Town
How to Make a Sugarloaf (5)
Retired 5: Mar 30, 2016
Adoptable
Planted: Mar 16, 2010
Walnut Creek, CA Contra Costa 19.8Accuracy: Town
Indian Valley Hawks
Retired: Mar 30, 2016
Adoptable
Planted: Mar 6, 2010
Walnut Creek, CA Contra Costa 19.8Accuracy: Town
Las Lomas Knights
Retired: Mar 30, 2016
Adoptable
Planted: Mar 6, 2010
Walnut Creek, CA Contra Costa 19.8Accuracy: Town
Murwood Mustangs
Found: Feb 28, 2010
Adoptable
Planted: Feb 26, 2010
Walnut Creek, CA Contra Costa 19.8Accuracy: Town
New Years on Mt. Diablo
Found: Feb 27, 2011
Adoptable
Planted: Jan 1, 2007
Walnut Creek, CA Contra Costa 19.8Accuracy: Town
Parkmead Panthers
Found: Mar 8, 2010
Adoptable
Planted: Mar 6, 2010
Walnut Creek, CA Contra Costa 19.8Accuracy: Town
Pool Umbrella
Found: Sep 18, 2010
Adoptable
Planted: Mar 4, 2010
Walnut Creek, CA Contra Costa 19.8Accuracy: Town
Princess Cee Cee's Lindsay Box
Attempted: May 23, 2006
Adoptable
Planted: Sep 27, 2005
Walnut Creek, CA Contra Costa 19.8Accuracy: Town
Sycamore in Winter
Retired: Mar 30, 2016
Adoptable
Planted: Mar 6, 2010
Walnut Creek, CA Contra Costa 19.8Accuracy: Town
The Runaway Bunny (9)
Retired 9: Mar 30, 2016
Adoptable
Planted: Apr 4, 2010
Walnut Creek, CA Contra Costa 19.8Accuracy: Town
Under the Brush
Found: Nov 23, 2010
Adoptable
Planted: Oct 25, 2009
Walnut Creek, CA Contra Costa 19.8Accuracy: Town
Walnut Creek Intermediate Squires
Found: Mar 8, 2010
Adoptable
Planted: Mar 6, 2010
walnut Creek, CA Contra Costa 19.8Accuracy: Town
Walnut Heights Cougars
Found: Feb 28, 2010
Adoptable
Planted: Feb 26, 2010
Walnut Creek, CA Contra Costa 19.8Accuracy: Town
BART Station #1
Retired: Mar 31, 2016
Adoptable
Planted: Feb 7, 2010
Walnut Creek, CA Contra Costa 20Accuracy: Town
BART Station #4
Retired: Mar 31, 2016
Adoptable
Planted: Feb 21, 2010
Lafayette, CA Contra Costa 20.3Accuracy: Town
Fun on the Water (4)
Retired 4: Mar 30, 2016
Adoptable
Planted: Apr 1, 2010
Lafayette, CA Contra Costa 20.3Accuracy: Town
Hummers
Found: Jan 21, 2007
Adoptable
Planted: Dec 31, 2006
Lafayette, CA Contra Costa 20.3Accuracy: Town
The Sprouts
Found: Jul 27, 2009
Adoptable
Planted: Dec 31, 2006
Lafayette, CA Contra Costa 20.3Accuracy: Town
Tycho's T
Retired: Mar 30, 2016
Adoptable
Planted: Nov 15, 2007
Lafayette, CA Contra Costa 20.3Accuracy: Town
Kreatures of Steven's kreek (3)
Retired 3: Mar 30, 2016
Adoptable
Planted: May 22, 2012
Steven's Creek Trail
Mountain View, CA
Santa Clara 20.4Accuracy: Street