Loneliest Mystery/Unknowns
San Mateo county
California

Total records: 497, Page 1 of 5
Rank Geocache Age Finds cCP
(nfCP)
1 Birthday Puzzle by naala007
San Mateo county, CA		 11 years
2 months		 11 102
(93.7)
2 Song-quences by Dr. Flonase
San Mateo county, CA		 4 years
9 months		 5 95.0
(79.2)
3 2453 Melville Puzzle by Dr. Flonase
San Mateo county, CA		 11 months 1 92.0
(46.0)
4 Flipped Celebrities by Dr. Flonase
San Mateo county, CA		 4 years
6 months		 5 90.1
(75.1)
5 Well Mapped Cacher (mjp303 motorbug) Challenge by bthomas
San Mateo county, CA		 11 years
4 months		 13 87.7
(81.5)
6 To Infinity and Beyond by naala007
San Mateo county, CA		 10 years
10 months		 13 83.5
(77.6)
7 Neutrino by fizzymagic
San Mateo county, CA		 21 years
6 months		 26 82.8
(79.8)
8 FF10K: A Purple Problem for a Preeminent Puzzler by Rogue Ramblers
San Mateo county, CA		 7 years
5 months		 9 82.8
(74.5)
9 Clifford, The Big Read, "Dog" by Dr. Flonase
San Mateo county, CA		 3 years
2 months		 4 80.6
(64.5)
10 Beverages of the World by Dr. Flonase
San Mateo county, CA		 4 years
6 months		 6 76.0
(65.1)
11 M4 by Rogue Ramblers
San Mateo county, CA		 21 years 28 75.1
(72.5)
12 Uniform Crux of the world by greenusagi
San Mateo county, CA		 9 years
8 months		 14 69.3
(64.7)
13 Frustration by kbseydel
San Mateo county, CA		 13 years
7 months		 20 68.0
(64.8)
14 Pigs will fly when I solve a Venona puzzle by flowerisland
San Mateo county, CA		 13 years
4 months		 20 66.9
(63.7)
15 E14 by bassocantor
San Mateo county, CA		 13 years
2 months		 20 65.9
(62.8)
16 WarNinjas Hacked YamJerky's Game! by WarNinjas
San Mateo county, CA		 10 years
10 months		 17 63.8
(60.3)
17 Frustration #2 by caccbag
San Mateo county, CA		 13 years
6 months		 22 61.6
(58.9)
18 Admirable Anthologies by Dr. Flonase
San Mateo county, CA		 4 years
2 months		 7 59.6
(52.1)
19 E11 by bassocantor
San Mateo county, CA		 13 years
3 months		 23 57.8
(55.4)
20 E13 by bassocantor
San Mateo county, CA		 13 years
2 months		 23 57.5
(55.1)
21 Liz and Her Five Brothers and Three Sisters by kindredlaugh
San Mateo county, CA		 18 years 32 56.5
(54.8)
22 Fun with Ron by mcpuke
San Mateo county, CA		 20 years
3 months		 36 56.4
(54.9)
23 How to Create A Puzzle Cache by caccbag
San Mateo county, CA		 15 years
1 month		 27 56.1
(54.1)
24 Cachetaways by caccbag
San Mateo county, CA		 13 years
4 months		 24 55.8
(53.5)
25 Tower of Power (RASH) by Dr. Flonase
San Mateo county, CA		 6 years 11 54.9
(50.4)
26 11 - I by caccbag
San Mateo county, CA		 14 years
1 month		 26 54.4
(52.4)
27 (5 x 50) - (GC378D3 Animals) x (# of Knees = Foot) by caccbag
San Mateo county, CA		 14 years
8 months		 27 54.4
(52.4)
28 Frogger's Revenge by caccbag
San Mateo county, CA		 13 years
6 months		 25 54.0
(52.0)
29 She turned me into a NEWT! by Michael_SFBA
San Mateo county, CA		 20 years
11 months		 39 53.8
(52.4)
30 Out on a Limb by deadley
San Mateo county, CA		 10 years
7 months		 20 53.3
(50.8)
31 Fishing for Clues by HackinHiker
San Mateo county, CA		 4 years
2 months		 8 52.9
(47.0)
32 Gone with the Wind by crawburr
San Mateo county, CA		 15 years
1 month		 29 52.2
(50.5)
33 Zombie Hunter - Final Zombie Challenge by caccbag
San Mateo county, CA		 15 years
1 month		 29 52.2
(50.4)
34 Turkey! by Dr. Flonase
San Mateo county, CA		 5 years
7 months		 11 51.4
(47.1)
35 Even Moreso than Castor by Rogue Ramblers
San Mateo county, CA		 13 years
9 months		 27 51.1
(49.3)
36 Zig Zag by greenusagi
San Mateo county, CA		 9 years
8 months		 19 51.1
(48.5)
37 Time To Kill by caccbag
San Mateo county, CA		 15 years
1 month		 30 50.3
(48.7)
38 DON'T BE CROSS - GET CACHE by caccbag
San Mateo county, CA		 14 years
5 months		 29 49.9
(48.2)
39 The Bismarck by caccbag
San Mateo county, CA		 13 years
4 months		 27 49.6
(47.9)
40 Sam's Bonus View by Michael_SFBA
San Mateo county, CA		 18 years
4 months		 37 49.6
(48.3)
41 YEM by hrc333
San Mateo county, CA		 12 years
10 months		 26 49.6
(47.8)
42 Caesar's Clock by Dr. Flonase
San Mateo county, CA		 4 years
5 months		 9 49.4
(44.5)
43 A Contract Game by caccbag
San Mateo county, CA		 13 years
7 months		 28 48.5
(46.9)
44 Where Are You? by Dr. Flonase
San Mateo county, CA		 5 years
9 months		 12 48.4
(44.6)
45 Furball by caccbag
San Mateo county, CA		 13 years
5 months		 28 48.0
(46.3)
46 Cliff Knowles by caccbag
San Mateo county, CA		 12 years
11 months		 27 47.9
(46.2)
47 Olfactory Hues by hrc333
San Mateo county, CA		 12 years
10 months		 27 47.7
(46.0)
48 Cost Accounting by kindredlaugh
San Mateo county, CA		 17 years
7 months		 37 47.6
(46.4)
49 Entrance to Arastradero Preserve? by naala007
San Mateo county, CA		 10 years
10 months		 23 47.2
(45.3)
50 La Música Otra Vez by Dr. Flonase
San Mateo county, CA		 4 years
2 months		 9 47.2
(42.5)
51 Static by jimbexleyspeed
San Mateo county, CA		 18 years
10 months		 40 47.2
(46.0)
52 WarNinjas Deadleyest catch! by WarNinjas
San Mateo county, CA		 11 years
8 months		 25 47.0
(45.2)
53 Constant Confusion by beefezard
San Mateo county, CA		 12 years
2 months		 26 46.8
(45.1)
54 Pirate Randolph Scott by caccbag
San Mateo county, CA		 11 years
8 months		 25 46.7
(44.9)
55 Fencing by Dr. Flonase
San Mateo county, CA		 4 years
2 months		 9 46.6
(42.0)
56 Even Moreso by jimbexleyspeed
San Mateo county, CA		 13 years
10 months		 30 46.3
(44.8)
57 Major Inconvenience by crawburr
San Mateo county, CA		 21 years
2 months		 46 46.0
(45.1)
58 War"Ninjas" Challenge by WarNinjas
San Mateo county, CA		 12 years
10 months		 28 46.0
(44.4)
59 Jenny at Thornewood OSP by Dr. Flonase
San Mateo county, CA		 3 years
8 months		 8 45.9
(40.8)
60 Murrieta's Treasure by caccbag
San Mateo county, CA		 13 years
7 months		 30 45.3
(43.8)
61 A Ride Remembered by bassocantor
San Mateo county, CA		 8 years
7 months		 19 45.3
(43.0)
62 San Which? by Dr. Flonase
San Mateo county, CA		 5 years
4 months		 12 44.8
(41.3)
63 WarNinjas: OMG WOW YAY! by WarNinjas
San Mateo county, CA		 12 years
9 months		 29 44.2
(42.7)
64 Lamppost by Dr. Flonase
San Mateo county, CA		 6 years
2 months		 14 44.2
(41.2)
65 A Touch of Madness by hrc333
San Mateo county, CA		 11 years
5 months		 26 44.1
(42.5)
66 VFMW #11: BOB by hrc333
San Mateo county, CA		 10 years
6 months		 24 44.0
(42.3)
67 Eye Tests by Dr. Flonase
San Mateo county, CA		 5 years
3 months		 12 44.0
(40.6)
68 Traveling Daze by caccbag
San Mateo county, CA		 14 years
5 months		 33 43.7
(42.5)
69 Gateway to the Peninsula #11 by caccbag
San Mateo county, CA		 15 years
3 months		 35 43.6
(42.4)
70 Refining of a Fantasy by hrc333
San Mateo county, CA		 10 years
10 months		 25 43.6
(41.9)
71 VFMW #9: Buggin Out by hrc333
San Mateo county, CA		 10 years
10 months		 25 43.6
(41.9)
72 Take It Or Leave It - An Offer You Can't Refuse by caccbag
San Mateo county, CA		 13 years 30 43.6
(42.2)
73 Presidents on Money by Dr. Flonase
San Mateo county, CA		 6 years
1 month		 14 43.5
(40.6)
74 Ohlone Shellmounds of San Bruno Mountain by deadley
San Mateo county, CA		 5 years
2 months		 12 43.4
(40.1)
75 15 and 3 by Dr. Flonase
San Mateo county, CA		 5 years
7 months		 13 43.4
(40.3)
76 That's the Stuf by Dr. Flonase
San Mateo county, CA		 2 years
1 month		 5 42.5
(35.5)
77 High School Math #9 (revised) by kbseydel
San Mateo county, CA		 12 years
3 months		 29 42.4
(41.0)
78 Not a WarNinja but a Ninja Cache by flowerisland
San Mateo county, CA		 12 years
7 months		 30 42.1
(40.7)
79 OIAL 123: Lifetime by Dr. Flonase
San Mateo county, CA		 5 years 12 41.9
(38.7)
80 Intermediate Sudoku Strategies: Ghost Numbers by kindredlaugh
San Mateo county, CA		 14 years
11 months		 36 41.6
(40.5)
81 Rock, Paper, Scissors! ✂ by Psychoticjesters
San Mateo county, CA		 13 years
3 months		 32 41.4
(40.2)
82 Year of the Dragon by mblatch
San Mateo county, CA		 9 years
1 month		 22 41.3
(39.5)
83 Yacht Rock Intros by Dr. Flonase
San Mateo county, CA		 5 years
4 months		 13 41.1
(38.2)
84 Shame Difference? by Dr. Flonase
San Mateo county, CA		 2 years
10 months		 7 41.1
(36.0)
85 The World of Count Dracula by caccbag
San Mateo county, CA		 13 years
6 months		 33 40.9
(39.7)
86 Portola Highlands Nights by trevie
San Mateo county, CA		 4 years
6 months		 11 40.9
(37.5)
87 Qu¡t throw¡ng me off! by Psychoticjesters
San Mateo county, CA		 12 years
7 months		 31 40.6
(39.3)
88 High School Math #6 by kbseydel
San Mateo county, CA		 17 years
10 months		 44 40.5
(39.6)
89 Equidistant Among Three by JuniorWences
San Mateo county, CA		 4 years 10 40.4
(36.7)
90 Full Eights by Dr. Flonase
San Mateo county, CA		 6 years 15 40.2
(37.7)
91 Olympic Marathon by caccbag
San Mateo county, CA		 14 years 35 40.2
(39.1)
92 The Evil King by hrc333
San Mateo county, CA		 12 years 30 40.1
(38.8)
93 WarNinjas-Copying Deadleys Puzzle! by WarNinjas
San Mateo county, CA		 12 years
4 months		 31 40.0
(38.7)
94 The Trumpet! by Dr. Flonase
San Mateo county, CA		 1 year
11 months		 5 39.7
(33.1)
95 WarNinjas Spaced Out!👽 by WarNinjas
San Mateo county, CA		 12 years
7 months		 32 39.5
(38.3)
96 Initials by Dr. Flonase
San Mateo county, CA		 5 years
5 months		 14 39.2
(36.6)
97 The Spelling Police by caccbag
San Mateo county, CA		 14 years
9 months		 38 39.0
(38.0)
98 Find the Clues by beefezard
San Mateo county, CA		 12 years
5 months		 32 39.0
(37.8)
99 007 Car Farewell by bthomas
San Mateo county, CA		 12 years
9 months		 33 38.8
(37.6)
100 My Second Puzzle by mokelly
San Mateo county, CA		 16 years
2 months		 42 38.6
(37.7)
Total records: 497, Page 1 of 5
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Statistics last updated Tuesday, 01 September 2026 05:27:48 Eastern Daylight Time
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