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
4 months
4 110
(88.2)
2 Dripping Springs Aquifer- Irvine Ranch Wildlands by birdcachers05
Orange county, CA
16 years
8 months
16 104
(98.1)
3 Coal Seam - Fremont Canyon by birdcachers05
Orange county, CA
20 years
11 months
32 65.5
(63.5)
4 Mini Moab -- Coal Canyon by 1962penny
Orange county, CA
11 years
5 months
19 60.5
(57.4)
5 The Sinks - Irvine Ranch Wildlands by birdcachers05
Orange county, CA
16 years
8 months
32 52.1
(50.6)
6 Santiago Creek Debris Flow Monitoring by DopeyDuck
Orange county, CA
18 years
2 months
39 46.6
(45.5)
7 Effects of Erosion upon Sandstone -- Coal Canyon by 1962penny
Orange county, CA
11 years
5 months
25 46.0
(44.2)
8 Cañada Road Geology by bluesnote
Orange county, CA
5 years
10 months
17 34.6
(32.7)
9 Crystal Cove Columnar Joints by H2O KLAN
Orange county, CA
10 years
2 months
31 32.9
(31.9)
10 Orange County's Zion by bluesnote
Orange county, CA
10 years
8 months
35 30.5
(29.7)
11 Santiago Canyon Limestone by bluesnote
Orange county, CA
10 years
1 month
35 28.9
(28.1)
12 Chiquita Canyon Fossils by bluesnote
Orange county, CA
5 years
7 months
20 28.3
(26.9)
13 Santiago Canyon Wind Caves by bluesnote
Orange county, CA
10 years
1 month
36 28.1
(27.3)
14 Stratification in Chino Hills by smccfamily
Orange county, CA
3 years
2 months
12 26.7
(24.6)
15 Christianitos South Trail - Capistrano Formation by chickwithbrains
Orange county, CA
6 years
11 months
27 25.8
(24.9)
16 1933 Long Beach Earthquake Epicenter by bluesnote
Orange county, CA
8 years
2 months
32 25.7
(24.9)
17 Laguna Beach - Wind Caves by bluesnote
Orange county, CA
10 years
3 months
42 24.5
(23.9)
18 Erosion by Groundwater -- at Arch Cove by 1962penny
Orange county, CA
11 years
8 months
49 23.9
(23.4)
19 Crystal Cove State Park - Hidden Canyon by bluesnote
Orange county, CA
10 years
7 months
45 23.5
(23.0)
20 Laguna Beach - Limestone by bluesnote
Orange county, CA
10 years
3 months
45 22.8
(22.3)
21 Crystal Cove State Park - Irvine Ranch by bluesnote
Orange county, CA
10 years 45 22.3
(21.8)
22 Carbondale by bluesnote
Orange county, CA
10 years
4 months
47 22.1
(21.6)
23 Red Rock Canyon - Whiting Ranch Wilderness Park by crawil
Orange county, CA
20 years
10 months
99 21.0
(20.8)
24 Crystal Cove State Park - Marine Terraces by bluesnote
Orange county, CA
9 years
8 months
49 19.8
(19.4)
25 Monterey Formation - Newport Back Bay by DIK22DAK
Orange county, CA
9 months 4 19.0
(15.2)
26 Crystal Cove - Geology -> Biology by fastflyer
Orange county, CA
12 years
1 month
66 18.3
(18.1)
27 Santa Ana Mountains - Limestone Outcrop by bluesnote
Orange county, CA
10 years
7 months
60 17.8
(17.5)
28 Rancho Mission Viejo Fossils by bluesnote
Orange county, CA
10 years
8 months
61 17.5
(17.3)
29 Colors of Rocks/Minerals at Black Star Canyon by birdcachers05
Orange county, CA
16 years
8 months
98 17.0
(16.9)
30 1000 Steps of Unconformity by 1962penny
Orange county, CA
11 years
8 months
70 16.8
(16.5)
31 Newport Back Bay by bluesnote
Orange county, CA
9 years
8 months
58 16.7
(16.4)
32 El Modena Volcanics by JJG10101
Orange county, CA
13 years
9 months
86 16.0
(15.8)
33 Red Hill by bluesnote
Orange county, CA
10 years 63 16.0
(15.7)
34 Uncomfortable Unconformity -- Chino Hills SP by 1962penny
Orange county, CA
4 years
5 months
28 15.8
(15.3)
35 Disneyland’s Esplanade by bluesnote
Orange county, CA
1 year
2 months
8 15.0
(13.4)
36 Arch Cove (Cactus Point)-- Littoral Caves & Arches by 1962penny
Orange county, CA
11 years
8 months
80 14.7
(14.5)
37 Dana Point Harbor Breakwater by bluesnote
Orange county, CA
8 years
3 months
57 14.6
(14.3)
38 San Clemente Wetlands - Hydrology by bluesnote
Orange county, CA
10 years
10 months
75 14.5
(14.3)
39 Barbara's Lake-Laguna Coast Wilderness Park by mschiman
Orange county, CA
18 years
7 months
130 14.3
(14.2)
40 Hardened Terrestrial Vegetation by Forest_Cat
Orange county, CA
7 years
9 months
55 14.2
(13.9)
41 San Clemente Wetlands - Geobiology by bluesnote
Orange county, CA
10 years
10 months
77 14.1
(13.9)
42 Crystal Cove - A Gap In Time by fastflyer
Orange county, CA
12 years
1 month
88 13.7
(13.6)
43 Santa Ana River Terminus by bluesnote
Orange county, CA
8 years
3 months
63 13.2
(13.0)
44 Crystal Cove State Park - Dolomite Nucleus by bluesnote
Orange county, CA
10 years
7 months
82 12.9
(12.7)
45 Aliso Creek Terminus by DIK22DAK
Orange county, CA
1 year 8 12.9
(11.5)
46 Joints at the Top of the World by bluesnote
Orange county, CA
4 years
6 months
35 12.9
(12.5)
47 San Onofre Breccia – Aliso Point Earthcache by crawil
Orange county, CA
21 years 171 12.3
(12.2)
48 Crystal Cove - Giant Concretions by fastflyer
Orange county, CA
12 years
1 month
100 12.1
(12.0)
49 Metamorphic Throne by bluesnote
Orange county, CA
5 years
2 months
44 11.9
(11.7)
50 Montanoso Bioswale by bluesnote
Orange county, CA
7 years
9 months
67 11.7
(11.5)
51 Sand Canyon Fossils & Biomineralization by bluesnote
Orange county, CA
5 years
4 months
46 11.6
(11.4)
52 Balboa Island Seawall by bluesnote
Orange county, CA
10 years
3 months
89 11.6
(11.4)
53 "Sandstone Cliff Canyon of SC State Park Beach" by ckm8dude
Orange county, CA
4 years
7 months
41 11.4
(11.1)
54 Crystal Cove #3 -- Not All It's Cracked Up To Be by 1962penny
Orange county, CA
11 years
11 months
106 11.3
(11.2)
55 Pecten Reef - Aliso Viejo by crawil
Orange county, CA
20 years
11 months
187 11.2
56 San Joaquin Marsh and Wildlife Sanctuary by Tissa1020 & Foxhound
Orange county, CA
20 years
11 months
198 10.6
(10.5)
57 Steps Through Time by bluesnote
Orange county, CA
8 years
2 months
78 10.5
(10.4)
58 Newport Boulevard Bioswale by penzee
Orange county, CA
10 years
11 months
105 10.5
(10.4)
59 North Ridge at Chino Hills State Park by 1962penny
Orange county, CA
6 years 59 10.3
(10.1)
60 Turtle Rock by bluesnote
Orange county, CA
2 years
11 months
29 10.2
(9.84)
61 Seasonal Beach Sand Cycles - Crystal Cove by crawil
Orange county, CA
20 years
11 months
208 10.1
(10.0)
62 Fossils Under Our Feet by mpark65
Orange county, CA
8 years
2 months
84 9.79
(9.68)
63 San Juan Capistrano Earthquake & Reservoir by bluesnote
Orange county, CA
12 years
5 months
129 9.68
(9.60)
64 Capistrano Formation - Dana Point by bluesnote
Orange county, CA
10 years
8 months
111 9.63
(9.54)
65 Dana Point's Hidden Gem by H2O KLAN
Orange county, CA
10 years
3 months
108 9.54
(9.45)
66 Angel's Basalt by bluesnote
Orange county, CA
2 years
7 months
28 9.50
(9.18)
67 Crystal Cove #2 -- Monterey Formations by 1962penny
Orange county, CA
12 years
1 month
128 9.50
(9.43)
68 San Onofre Breccia – Dana Point Earthcache by crawil
Orange county, CA
21 years 226 9.29
(9.25)
69 Plaza de la Paz Fossils by DopeyDuck
Orange county, CA
18 years
7 months
207 9.01
(8.97)
70 Crystal Cove #1 -- Peperite by 1962penny
Orange county, CA
12 years
2 months
142 8.58
(8.52)
71 Anaheim Landing by bluesnote
Orange county, CA
5 years
7 months
67 8.41
(8.28)
72 Tafoni and Honeycomb Weathering - Corona Del Mar by Joeman200
Orange county, CA
11 years
6 months
140 8.27
(8.21)
73 Honeycombing at Laguna Beach by STNolan
Orange county, CA
9 years
6 months
119 8.03
(7.97)
74 Hydrogeology - Lake Mission Viejo by Chet13
Orange county, CA
1 year
4 months
17 7.94
(7.50)
75 Dripping Cave by DIK22DAK
Orange county, CA
9 months 10 7.94
(7.22)
76 Aliso Creek Restoration by FebonioClan
Orange county, CA
5 months 6 7.94
(6.81)
77 Cave Rock by DIK22DAK
Orange county, CA
9 months 10 7.91
(7.19)
78 Brea Olinda -- Natural Oil Seepage by 1962penny
Orange county, CA
11 years
10 months
151 7.87
(7.82)
79 BHC #12: Early Oil Fields (Puente/Brea/Olinda) by 1962penny
Orange county, CA
11 years
6 months
148 7.78
(7.72)
80 Barton Mound by bluesnote
Orange county, CA
9 months 10 7.56
(6.87)
81 San Juan Creek Watershed - Oso Creek by bluesnote
Orange county, CA
5 years
1 month
70 7.29
(7.19)
82 Newport-Inglewood Fault - Huntington Beach Oil by bluesnote
Orange county, CA
2 years
7 months
38 7.00
(6.82)
83 Submerged River Valley - Upper Newport Bay by Tissa1020 & Foxhound
Orange county, CA
20 years
11 months
301 6.96
(6.94)
84 Former El Toro Marine Corps Air Station by DopeyDuck
Orange county, CA
21 years 304 6.91
(6.89)
85 Fossil Park by DopeyDuck
Orange county, CA
19 years
7 months
290 6.76
(6.74)
86 Newport Beach Erosion Control by bluesnote
Orange county, CA
10 years
3 months
155 6.63
(6.59)
87 Two Years Before the Mast by bluesnote
Orange county, CA
10 years
8 months
163 6.56
(6.52)
88 Laguna Niguel Fossils by DIK22DAK
Orange county, CA
6 months 8 6.50
(5.78)
89 Sienna Botanica by bluesnote
Orange county, CA
3 months 5 6.46
(5.38)
90 Ladera Town Center Spheres by bluesnote
Orange county, CA
4 months 6 5.93
(5.08)
91 Newport-Inglewood Fault - Seal Beach by bluesnote
Orange county, CA
1 year
9 months
31 5.63
(5.46)
92 Beach Berm Dam - Doheny State Beach by crawil
Orange county, CA
20 years
10 months
371 5.62
(5.61)
93 California Scenario by bluesnote
Orange county, CA
1 year
4 months
25 5.59
(5.37)
94 Aliso Village Beehive by bluesnote
Orange county, CA
11 months 18 5.51
(5.22)
95 Dana Cove Fault - Dana Point by Chet13
Orange county, CA
4 months 7 5.48
(4.79)
96 Spirit of the Lima Bean by bluesnote
Orange county, CA
1 year
4 months
27 5.21
(5.03)
97 Newport Beach Wedge Giant Waves by penzee
Orange county, CA
10 years
11 months
216 5.08
(5.06)
98 Nightshift by bluesnote
Orange county, CA
1 year
4 months
30 4.69
(4.54)
99 Weathering - AV Town Center Fountain by DIK22DAK
Orange county, CA
11 months 21 4.67
(4.46)
100 Mission Viejo Whale Fossil by DopeyDuck
Orange county, CA
19 years
7 months
458 4.28
(4.27)
Total records: 112, Page 1 of 2
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Statistics last updated Tuesday, 09 June 2026 04:29:14 Eastern Daylight Time
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