Loneliest Letterbox Hybrids
San Mateo county
California

Total records: 24
Rank Geocache Age Finds cCP
(nfCP)
1 ⛏ Quartz Crystal Mine: The Letterbox of Legend 💎 by Psychoticjesters
San Mateo county, CA		 11 years 41 26.9
(26.3)
2 WarNinjas- Tree for HRC333 🌳 by WarNinjas
San Mateo county, CA		 12 years 68 17.7
(17.5)
3 WarNinjas Hang 10! 🏄 by WarNinjas
San Mateo county, CA		 11 years
3 months		 66 17.1
(16.9)
4 WarNinjas Monkey business LB by WarNinjas
San Mateo county, CA		 10 years 61 16.5
(16.2)
5 WarNinjas Stairway to FrogBox Heaven by WarNinjas
San Mateo county, CA		 13 years
3 months		 81 16.4
(16.2)
6 Walk the Plank to WarNinjas hiding spot! by WarNinjas
San Mateo county, CA		 9 years
9 months		 63 15.5
(15.3)
7 Letters to Shore - Dolphin by Dr. Flonase
San Mateo county, CA		 3 years
8 months		 27 13.6
(13.1)
8 Cañada Series #2 LB by Dr. Flonase
San Mateo county, CA		 3 years
1 month		 24 13.1
(12.6)
9 Huddart Park(ing) Redux LB by Dr. Flonase
San Mateo county, CA		 2 years
11 months		 23 13.0
(12.5)
10 Along the Hetch-Hetchy Trail by Dr. Flonase
San Mateo county, CA		 8 years
9 months		 82 10.7
(10.5)
11 Letters to Shore - Marlin by Dr. Flonase
San Mateo county, CA		 3 years
7 months		 36 10.1
(9.85)
12 ADLC - Pit of Nothingness by Dr. Flonase
San Mateo county, CA		 1 year
8 months		 20 8.49
(8.08)
13 ADLC - Finale by Dr. Flonase
San Mateo county, CA		 1 year
8 months		 21 8.08
(7.72)
14 KCSearcher's Feb29 2020 #R26 Experiment by KCSearcher
San Mateo county, CA		 6 years
3 months		 89 7.05
(6.98)
15 ADLC - START HERE - Seven Stripes by Dr. Flonase
San Mateo county, CA		 1 year
8 months		 31 5.48
(5.30)
16 ADLC - Hetch Hetchy by Dr. Flonase
San Mateo county, CA		 1 year
8 months		 32 5.30
(5.14)
17 Take your pills! by Dr. Flonase
San Mateo county, CA		 8 years
2 months		 159 5.18
(5.14)
18 ADLC - Lupin' Around by Dr. Flonase
San Mateo county, CA		 1 year
8 months		 36 4.72
(4.59)
19 ADLC - Hilltop by Dr. Flonase
San Mateo county, CA		 1 year
8 months		 38 4.47
(4.35)
20 ADLC - Clear Skies by Dr. Flonase
San Mateo county, CA		 1 year
8 months		 40 4.24
(4.14)
20 ADLC - Power Source by Dr. Flonase
San Mateo county, CA		 1 year
8 months		 40 4.24
(4.14)
22 ADLC - Please Share My Umbrella by Dr. Flonase
San Mateo county, CA		 1 year
8 months		 43 3.95
(3.86)
23 ADLC - City Limits by Dr. Flonase
San Mateo county, CA		 1 year
8 months		 44 3.86
(3.77)
24 Bee-Hind the Scenes by b_aldridge1017
San Mateo county, CA		 8 months 28 2.65
(2.56)
Total records: 24
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Statistics last updated Wednesday, 10 June 2026 05:28:55 Eastern Daylight Time
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