Loneliest Letterbox Hybrids
Contra Costa county
California

Total records: 20
Rank Geocache Age Finds cCP
(nfCP)
1 Don't forget Hal Olson and Mary Ann Gaebe by jagerdorf
Contra Costa county, CA		 14 years
5 months		 22 65.8
(63.0)
2 Elderberry Letterbox by Alamogul
Contra Costa county, CA		 10 years
6 months		 33 31.9
(31.0)
3 EBGCC - W Tree by Alamogul
Contra Costa county, CA		 16 years
1 month		 82 19.7
(19.5)
4 Sharkey Road by JSQuack
Contra Costa county, CA		 9 years
5 months		 50 18.9
(18.5)
5 From Russia with Love by nsearls25
Contra Costa county, CA		 7 years
5 months		 43 17.3
(16.9)
6 Briones Pine Tree Trail Letterbox Style Cache by CShare
Contra Costa county, CA		 7 years 46 15.3
(14.9)
7 Crusty Crab by NoETA4
Contra Costa county, CA		 6 years
7 months		 44 15.1
(14.7)
8 Devil Bound by mgallinatti
Contra Costa county, CA		 11 years
6 months		 78 14.7
(14.6)
9 Ninja Turtle Letterbox #2 by KyleLC8
Contra Costa county, CA		 17 years
9 months		 129 13.8
(13.7)
10 Gate to Nowhere Letterbox by CShare
Contra Costa county, CA		 9 years
5 months		 69 13.7
(13.5)
11 Welcome to a Really Great Hide! by NoETA4
Contra Costa county, CA		 9 years
2 months		 73 12.6
(12.4)
12 Green Yellow by christianc0208
Contra Costa county, CA		 10 years
9 months		 96 11.2
(11.1)
13 Zebras & Elephants by Mini Terror
Contra Costa county, CA		 15 years
2 months		 136 11.2
(11.1)
14 Squeeze Me Later Baby by Group Effort
Contra Costa county, CA		 12 years
6 months		 113 11.1
(11.0)
15 KCSearcher's Feb29 2020 #H11 Experiment by KCSearcher
Contra Costa county, CA		 6 years
8 months		 71 9.39
(9.26)
16 Water Locks by thedrainspies
Contra Costa county, CA		 6 years
9 months		 89 7.65
(7.57)
17 Wooden Trestle Lincoln Highway Bridge by GeoTabG
Contra Costa county, CA		 5 years
10 months		 78 7.54
(7.44)
18 The Dirt Bag by thedrainspies
Contra Costa county, CA		 8 years
4 months		 115 7.30
(7.24)
19 Brazil Backyard by JSQuack
Contra Costa county, CA		 1 month 9 1.31
(1.18)
20 Conehead Cache Letterbox by CShare
Contra Costa county, CA		 2 months 16 1.08
(1.01)
Total records: 20
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Statistics last updated Thursday, 29 October 2026 04:30:50 Eastern Daylight Time
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