Loneliest Earthcaches
Orange county
California

Total records: 112, Page 1 of 2
Rank Geocache Age Finds cCP
(nfCP)
1 Silver Sliver at Ortega Mine (Old Dominion Mine) by 1962penny
Orange county, CA
4 years
6 months
4 113
(90.0)
2 Dripping Springs Aquifer- Irvine Ranch Wildlands by birdcachers05
Orange county, CA
16 years
9 months
16 105
(98.7)
3 Coal Seam - Fremont Canyon by birdcachers05
Orange county, CA
21 years 32 65.8
(63.8)
4 Mini Moab -- Coal Canyon by 1962penny
Orange county, CA
11 years
6 months
19 60.9
(57.9)
5 The Sinks - Irvine Ranch Wildlands by birdcachers05
Orange county, CA
16 years
9 months
32 52.4
(50.8)
6 Santiago Creek Debris Flow Monitoring by DopeyDuck
Orange county, CA
18 years
3 months
39 46.9
(45.7)
7 Effects of Erosion upon Sandstone -- Coal Canyon by 1962penny
Orange county, CA
11 years
6 months
25 46.3
(44.5)
8 Cañada Road Geology by bluesnote
Orange county, CA
5 years
11 months
18 33.2
(31.5)
9 Crystal Cove Columnar Joints by H2O KLAN
Orange county, CA
10 years
3 months
32 32.2
(31.2)
10 Orange County's Zion by bluesnote
Orange county, CA
10 years
9 months
35 30.8
(29.9)
11 Chiquita Canyon Fossils by bluesnote
Orange county, CA
5 years
8 months
20 28.7
(27.3)
12 Santiago Canyon Limestone by bluesnote
Orange county, CA
10 years
2 months
36 28.3
(27.6)
12 Santiago Canyon Wind Caves by bluesnote
Orange county, CA
10 years
2 months
36 28.3
(27.6)
14 Stratification in Chino Hills by smccfamily
Orange county, CA
3 years
3 months
12 27.4
(25.3)
15 Christianitos South Trail - Capistrano Formation by chickwithbrains
Orange county, CA
7 years 27 26.1
(25.2)
16 1933 Long Beach Earthquake Epicenter by bluesnote
Orange county, CA
8 years
3 months
32 26.0
(25.2)
17 Laguna Beach - Wind Caves by bluesnote
Orange county, CA
10 years
4 months
42 24.7
(24.1)
18 Erosion by Groundwater -- at Arch Cove by 1962penny
Orange county, CA
11 years
9 months
49 24.1
(23.6)
19 Crystal Cove State Park - Hidden Canyon by bluesnote
Orange county, CA
10 years
8 months
45 23.7
(23.2)
20 Laguna Beach - Limestone by bluesnote
Orange county, CA
10 years
4 months
45 23.0
(22.5)
21 Crystal Cove State Park - Irvine Ranch by bluesnote
Orange county, CA
10 years
1 month
45 22.5
(22.0)
22 Carbondale by bluesnote
Orange county, CA
10 years
5 months
47 22.3
(21.8)
23 Monterey Formation - Newport Back Bay by DIK22DAK
Orange county, CA
10 months 4 21.2
(17.0)
24 Red Rock Canyon - Whiting Ranch Wilderness Park by crawil
Orange county, CA
20 years
11 months
99 21.1
(20.9)
25 Crystal Cove State Park - Marine Terraces by bluesnote
Orange county, CA
9 years
9 months
49 20.0
(19.6)
26 Crystal Cove - Geology -> Biology by fastflyer
Orange county, CA
12 years
2 months
66 18.5
(18.2)
27 Santa Ana Mountains - Limestone Outcrop by bluesnote
Orange county, CA
10 years
9 months
60 17.9
(17.6)
28 Rancho Mission Viejo Fossils by bluesnote
Orange county, CA
10 years
9 months
61 17.7
(17.4)
29 Colors of Rocks/Minerals at Black Star Canyon by birdcachers05
Orange county, CA
16 years
9 months
98 17.1
(16.9)
30 1000 Steps of Unconformity by 1962penny
Orange county, CA
11 years
9 months
70 16.9
(16.7)
31 Newport Back Bay by bluesnote
Orange county, CA
9 years
9 months
58 16.9
(16.6)
32 Disneyland’s Esplanade by bluesnote
Orange county, CA
1 year
3 months
8 16.2
(14.4)
33 Red Hill by bluesnote
Orange county, CA
10 years
1 month
63 16.1
(15.9)
34 El Modena Volcanics by JJG10101
Orange county, CA
13 years
10 months
86 16.1
(15.9)
35 Uncomfortable Unconformity -- Chino Hills SP by 1962penny
Orange county, CA
4 years
6 months
29 15.6
(15.1)
36 Arch Cove (Cactus Point)-- Littoral Caves & Arches by 1962penny
Orange county, CA
11 years
9 months
80 14.8
(14.6)
37 Dana Point Harbor Breakwater by bluesnote
Orange county, CA
8 years
4 months
57 14.8
(14.5)
38 San Clemente Wetlands - Hydrology by bluesnote
Orange county, CA
10 years
11 months
75 14.6
(14.4)
39 Barbara's Lake-Laguna Coast Wilderness Park by mschiman
Orange county, CA
18 years
8 months
130 14.4
(14.3)
40 Hardened Terrestrial Vegetation by Forest_Cat
Orange county, CA
7 years
10 months
55 14.3
(14.1)
41 San Clemente Wetlands - Geobiology by bluesnote
Orange county, CA
10 years
11 months
77 14.2
(14.0)
42 Aliso Creek Terminus by DIK22DAK
Orange county, CA
1 year
1 month
8 14.0
(12.5)
43 Crystal Cove - A Gap In Time by fastflyer
Orange county, CA
12 years
2 months
88 13.9
(13.7)
44 Santa Ana River Terminus by bluesnote
Orange county, CA
8 years
4 months
63 13.3
(13.1)
45 Joints at the Top of the World by bluesnote
Orange county, CA
4 years
7 months
35 13.1
(12.8)
46 Crystal Cove State Park - Dolomite Nucleus by bluesnote
Orange county, CA
10 years
8 months
82 13.0
(12.9)
47 San Onofre Breccia – Aliso Point Earthcache by crawil
Orange county, CA
21 years
1 month
171 12.3
48 Crystal Cove - Giant Concretions by fastflyer
Orange county, CA
12 years
2 months
100 12.2
(12.1)
49 Metamorphic Throne by bluesnote
Orange county, CA
5 years
4 months
44 12.1
(11.9)
50 Sand Canyon Fossils & Biomineralization by bluesnote
Orange county, CA
5 years
5 months
46 11.8
(11.5)
51 Montanoso Bioswale by bluesnote
Orange county, CA
7 years
10 months
67 11.8
(11.6)
52 "Sandstone Cliff Canyon of SC State Park Beach" by ckm8dude
Orange county, CA
4 years
9 months
41 11.6
(11.3)
53 Balboa Island Seawall by bluesnote
Orange county, CA
10 years
4 months
90 11.5
(11.4)
54 Crystal Cove #3 -- Not All It's Cracked Up To Be by 1962penny
Orange county, CA
12 years 106 11.4
(11.3)
55 Pecten Reef - Aliso Viejo by crawil
Orange county, CA
21 years 187 11.3
(11.2)
56 San Joaquin Marsh and Wildlife Sanctuary by Tissa1020 & Foxhound
Orange county, CA
21 years 199 10.6
(10.5)
57 Newport Boulevard Bioswale by penzee
Orange county, CA
11 years 105 10.5
(10.4)
58 Steps Through Time by bluesnote
Orange county, CA
8 years
3 months
79 10.5
(10.4)
59 Turtle Rock by bluesnote
Orange county, CA
3 years 29 10.5
(10.1)
60 North Ridge at Chino Hills State Park by 1962penny
Orange county, CA
6 years
2 months
59 10.5
(10.3)
61 Seasonal Beach Sand Cycles - Crystal Cove by crawil
Orange county, CA
21 years 208 10.1
62 Fossils Under Our Feet by mpark65
Orange county, CA
8 years
3 months
84 9.90
(9.78)
63 Angel's Basalt by bluesnote
Orange county, CA
2 years
9 months
28 9.83
(9.49)
64 San Juan Capistrano Earthquake & Reservoir by bluesnote
Orange county, CA
12 years
6 months
130 9.67
(9.60)
65 Crystal Cove #2 -- Monterey Formations by 1962penny
Orange county, CA
12 years
3 months
128 9.57
(9.50)
66 Capistrano Formation - Dana Point by bluesnote
Orange county, CA
10 years
9 months
114 9.45
(9.37)
67 Dana Point's Hidden Gem by H2O KLAN
Orange county, CA
10 years
4 months
110 9.45
(9.36)
68 Aliso Creek Restoration by FebonioClan
Orange county, CA
6 months 6 9.45
(8.10)
69 San Onofre Breccia – Dana Point Earthcache by crawil
Orange county, CA
21 years
1 month
226 9.33
(9.29)
70 Plaza de la Paz Fossils by DopeyDuck
Orange county, CA
18 years
8 months
207 9.05
(9.01)
71 Crystal Cove #1 -- Peperite by 1962penny
Orange county, CA
12 years
3 months
142 8.64
(8.58)
72 Anaheim Landing by bluesnote
Orange county, CA
5 years
8 months
67 8.54
(8.41)
73 Hydrogeology - Lake Mission Viejo by Chet13
Orange county, CA
1 year
5 months
17 8.47
(8.00)
74 Barton Mound by bluesnote
Orange county, CA
10 months 10 8.46
(7.69)
75 Tafoni and Honeycomb Weathering - Corona Del Mar by Joeman200
Orange county, CA
11 years
8 months
140 8.33
(8.28)
76 Sienna Botanica by bluesnote
Orange county, CA
5 months 5 8.27
(6.89)
77 Honeycombing at Laguna Beach by STNolan
Orange county, CA
9 years
7 months
119 8.11
(8.04)
78 Dripping Cave by DIK22DAK
Orange county, CA
10 months 11 8.04
(7.37)
79 Cave Rock by DIK22DAK
Orange county, CA
10 months 11 8.01
(7.35)
80 Brea Olinda -- Natural Oil Seepage by 1962penny
Orange county, CA
11 years
11 months
151 7.93
(7.88)
81 BHC #12: Early Oil Fields (Puente/Brea/Olinda) by 1962penny
Orange county, CA
11 years
7 months
148 7.84
(7.79)
82 Laguna Niguel Fossils by DIK22DAK
Orange county, CA
7 months 8 7.63
(6.78)
83 San Juan Creek Watershed - Oso Creek by bluesnote
Orange county, CA
5 years
2 months
70 7.42
(7.32)
84 Newport-Inglewood Fault - Huntington Beach Oil by bluesnote
Orange county, CA
2 years
9 months
38 7.24
(7.06)
85 Submerged River Valley - Upper Newport Bay by Tissa1020 & Foxhound
Orange county, CA
21 years 302 6.97
(6.94)
86 Former El Toro Marine Corps Air Station by DopeyDuck
Orange county, CA
21 years
1 month
304 6.94
(6.92)
87 Fossil Park by DopeyDuck
Orange county, CA
19 years
8 months
291 6.77
(6.74)
88 Newport Beach Erosion Control by bluesnote
Orange county, CA
10 years
4 months
155 6.69
(6.65)
89 Two Years Before the Mast by bluesnote
Orange county, CA
10 years
9 months
167 6.46
(6.42)
90 Aliso Village Beehive by bluesnote
Orange county, CA
1 year
1 month
18 6.01
(5.69)
91 Newport-Inglewood Fault - Seal Beach by bluesnote
Orange county, CA
1 year
10 months
31 5.93
(5.74)
92 Beach Berm Dam - Doheny State Beach by crawil
Orange county, CA
20 years
11 months
371 5.65
(5.63)
93 Ladera Town Center Spheres by bluesnote
Orange county, CA
5 months 8 5.58
(4.96)
94 California Scenario by bluesnote
Orange county, CA
1 year
5 months
28 5.31
(5.13)
95 Spirit of the Lima Bean by bluesnote
Orange county, CA
1 year
6 months
29 5.16
(4.99)
96 Weathering - AV Town Center Fountain by DIK22DAK
Orange county, CA
1 year 21 5.10
(4.87)
97 Newport Beach Wedge Giant Waves by penzee
Orange county, CA
11 years 219 5.05
(5.03)
98 Dana Cove Fault - Dana Point by Chet13
Orange county, CA
5 months 10 4.74
(4.31)
99 Nightshift by bluesnote
Orange county, CA
1 year
6 months
32 4.68
(4.54)
100 Mission Viejo Whale Fossil by DopeyDuck
Orange county, CA
19 years
8 months
459 4.29
(4.28)
Total records: 112, Page 1 of 2
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Statistics last updated Sunday, 12 July 2026 04:27:57 Eastern Daylight Time
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