Loneliest Letterbox Hybrids
Contra Costa county
California

Total records: 19
Rank Geocache Age Finds cCP
(nfCP)
1 Don't forget Hal Olson and Mary Ann Gaebe by jagerdorf
Contra Costa county, CA		 14 years
2 months		 22 64.7
(61.9)
2 Elderberry Letterbox by Alamogul
Contra Costa county, CA		 10 years
3 months		 33 31.2
(30.2)
3 EBGCC - W Tree by Alamogul
Contra Costa county, CA		 15 years
10 months		 82 19.4
(19.2)
4 Sharkey Road by JSQuack
Contra Costa county, CA		 9 years
2 months		 49 18.8
(18.4)
5 From Russia with Love by nsearls25
Contra Costa county, CA		 7 years
2 months		 43 16.7
(16.3)
6 Briones Pine Tree Trail Letterbox Style Cache by CShare
Contra Costa county, CA		 6 years
9 months		 45 15.0
(14.7)
7 Crusty Crab by NoETA4
Contra Costa county, CA		 6 years
4 months		 44 14.5
(14.2)
8 Devil Bound by mgallinatti
Contra Costa county, CA		 11 years
3 months		 78 14.4
(14.2)
9 Ninja Turtle Letterbox #2 by KyleLC8
Contra Costa county, CA		 17 years
6 months		 127 13.8
(13.7)
10 Gate to Nowhere Letterbox by CShare
Contra Costa county, CA		 9 years
2 months		 69 13.3
(13.1)
11 Let's Go to Brentwood! by Shrektrician
Contra Costa county, CA		 6 years
10 months		 54 12.8
(12.5)
12 Welcome to a Really Great Hide! by NoETA4
Contra Costa county, CA		 8 years
11 months		 73 12.3
(12.1)
13 Zebras & Elephants by Mini Terror
Contra Costa county, CA		 14 years
11 months		 135 11.1
(11.0)
14 Green Yellow by christianc0208
Contra Costa county, CA		 10 years
6 months		 95 11.0
(10.9)
15 Squeeze Me Later Baby by Group Effort
Contra Costa county, CA		 12 years
3 months		 112 11.0
(10.9)
16 KCSearcher's Feb29 2020 #H11 Experiment by KCSearcher
Contra Costa county, CA		 6 years
5 months		 71 9.03
(8.91)
17 Water Locks by thedrainspies
Contra Costa county, CA		 6 years
6 months		 84 7.81
(7.71)
18 Wooden Trestle Lincoln Highway Bridge by GeoTabG
Contra Costa county, CA		 5 years
7 months		 75 7.51
(7.41)
19 The Dirt Bag by thedrainspies
Contra Costa county, CA		 8 years
1 month		 110 7.40
(7.34)
Total records: 19
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Statistics last updated Wednesday, 29 July 2026 05:27:34 Eastern Daylight Time
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