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
7 months
4 116
(92.8)
2 Dripping Springs Aquifer- Irvine Ranch Wildlands by birdcachers05
Orange county, CA
16 years
10 months
16 106
(99.5)
3 Coal Seam - Fremont Canyon by birdcachers05
Orange county, CA
21 years
2 months
32 66.2
(64.2)
4 Mini Moab -- Coal Canyon by 1962penny
Orange county, CA
11 years
8 months
19 61.7
(58.6)
5 The Sinks - Irvine Ranch Wildlands by birdcachers05
Orange county, CA
16 years
11 months
32 52.9
(51.3)
6 Santiago Creek Debris Flow Monitoring by DopeyDuck
Orange county, CA
18 years
5 months
39 47.2
(46.1)
7 Effects of Erosion upon Sandstone -- Coal Canyon by 1962penny
Orange county, CA
11 years
8 months
25 46.9
(45.1)
8 Crystal Cove Columnar Joints by H2O KLAN
Orange county, CA
10 years
5 months
32 32.6
(31.6)
9 Orange County's Zion by bluesnote
Orange county, CA
10 years
10 months
35 31.2
(30.3)
10 Cañada Road Geology by bluesnote
Orange county, CA
6 years
1 month
20 30.6
(29.1)
11 Chiquita Canyon Fossils by bluesnote
Orange county, CA
5 years
10 months
20 29.4
(28.0)
12 Santiago Canyon Limestone by bluesnote
Orange county, CA
10 years
4 months
36 28.7
(27.9)
12 Santiago Canyon Wind Caves by bluesnote
Orange county, CA
10 years
4 months
36 28.7
(27.9)
14 Stratification in Chino Hills by smccfamily
Orange county, CA
3 years
5 months
12 28.6
(26.4)
15 Christianitos South Trail - Capistrano Formation by chickwithbrains
Orange county, CA
7 years
2 months
27 26.6
(25.7)
16 1933 Long Beach Earthquake Epicenter by bluesnote
Orange county, CA
8 years
5 months
32 26.4
(25.6)
17 Laguna Beach - Wind Caves by bluesnote
Orange county, CA
10 years
6 months
42 25.0
(24.4)
18 Erosion by Groundwater -- at Arch Cove by 1962penny
Orange county, CA
11 years
11 months
49 24.4
(23.9)
19 Crystal Cove State Park - Hidden Canyon by bluesnote
Orange county, CA
10 years
9 months
46 23.5
(23.0)
20 Laguna Beach - Limestone by bluesnote
Orange county, CA
10 years
6 months
45 23.3
(22.8)
21 Crystal Cove State Park - Irvine Ranch by bluesnote
Orange county, CA
10 years
3 months
45 22.8
(22.3)
22 Carbondale by bluesnote
Orange county, CA
10 years
7 months
47 22.6
(22.1)
23 Red Rock Canyon - Whiting Ranch Wilderness Park by crawil
Orange county, CA
21 years 100 21.1
(20.9)
24 Crystal Cove State Park - Marine Terraces by bluesnote
Orange county, CA
9 years
11 months
49 20.3
(19.9)
25 Crystal Cove - Geology -> Biology by fastflyer
Orange county, CA
12 years
3 months
66 18.7
(18.4)
26 Rancho Mission Viejo Fossils by bluesnote
Orange county, CA
10 years
11 months
61 17.9
(17.6)
27 Santa Ana Mountains - Limestone Outcrop by bluesnote
Orange county, CA
10 years
10 months
61 17.8
(17.6)
28 Colors of Rocks/Minerals at Black Star Canyon by birdcachers05
Orange county, CA
16 years
11 months
98 17.3
(17.1)
29 Newport Back Bay by bluesnote
Orange county, CA
9 years
11 months
58 17.1
(16.8)
30 1000 Steps of Unconformity by 1962penny
Orange county, CA
11 years
11 months
71 16.9
(16.6)
31 Red Hill by bluesnote
Orange county, CA
10 years
3 months
63 16.3
(16.1)
32 El Modena Volcanics by JJG10101
Orange county, CA
13 years
11 months
86 16.3
(16.1)
33 Uncomfortable Unconformity -- Chino Hills SP by 1962penny
Orange county, CA
4 years
8 months
29 16.1
(15.6)
34 Aliso Creek Terminus by DIK22DAK
Orange county, CA
1 year
3 months
8 15.8
(14.0)
35 Arch Cove (Cactus Point)-- Littoral Caves & Arches by 1962penny
Orange county, CA
11 years
11 months
80 15.0
(14.8)
36 Dana Point Harbor Breakwater by bluesnote
Orange county, CA
8 years
6 months
58 14.7
(14.5)
37 Hardened Terrestrial Vegetation by Forest_Cat
Orange county, CA
8 years 55 14.6
(14.3)
38 Barbara's Lake-Laguna Coast Wilderness Park by mschiman
Orange county, CA
18 years
10 months
130 14.5
(14.4)
39 San Clemente Wetlands - Hydrology by bluesnote
Orange county, CA
11 years 77 14.4
(14.2)
40 Monterey Formation - Newport Back Bay by DIK22DAK
Orange county, CA
11 months 7 14.1
(12.4)
41 San Clemente Wetlands - Geobiology by bluesnote
Orange county, CA
11 years
1 month
79 14.0
(13.9)
42 Crystal Cove - A Gap In Time by fastflyer
Orange county, CA
12 years
3 months
88 14.0
(13.9)
43 Santa Ana River Terminus by bluesnote
Orange county, CA
8 years
6 months
63 13.6
(13.4)
44 Joints at the Top of the World by bluesnote
Orange county, CA
4 years
8 months
35 13.5
(13.1)
45 Crystal Cove State Park - Dolomite Nucleus by bluesnote
Orange county, CA
10 years
9 months
82 13.2
(13.0)
46 San Onofre Breccia – Aliso Point Earthcache by crawil
Orange county, CA
21 years
2 months
171 12.4
(12.3)
47 Crystal Cove - Giant Concretions by fastflyer
Orange county, CA
12 years
3 months
100 12.3
(12.2)
48 Metamorphic Throne by bluesnote
Orange county, CA
5 years
5 months
45 12.2
(11.9)
49 Montanoso Bioswale by bluesnote
Orange county, CA
8 years 67 12.0
(11.8)
50 "Sandstone Cliff Canyon of SC State Park Beach" by ckm8dude
Orange county, CA
4 years
10 months
41 11.9
(11.6)
51 Sand Canyon Fossils & Biomineralization by bluesnote
Orange county, CA
5 years
6 months
47 11.8
(11.6)
52 Aliso Creek Restoration by FebonioClan
Orange county, CA
8 months 6 11.8
(10.1)
53 Balboa Island Seawall by bluesnote
Orange county, CA
10 years
6 months
91 11.6
(11.4)
54 Crystal Cove #3 -- Not All It's Cracked Up To Be by 1962penny
Orange county, CA
12 years
2 months
106 11.5
(11.4)
55 Pecten Reef - Aliso Viejo by crawil
Orange county, CA
21 years
2 months
189 11.2
56 Sienna Botanica by bluesnote
Orange county, CA
6 months 5 11.1
(9.22)
57 Steps Through Time by bluesnote
Orange county, CA
8 years
5 months
79 10.7
(10.6)
58 North Ridge at Chino Hills State Park by 1962penny
Orange county, CA
6 years
3 months
59 10.7
(10.5)
59 Newport Boulevard Bioswale by penzee
Orange county, CA
11 years
2 months
105 10.7
(10.6)
60 San Joaquin Marsh and Wildlife Sanctuary by Tissa1020 & Foxhound
Orange county, CA
21 years
2 months
199 10.7
(10.6)
61 Turtle Rock by bluesnote
Orange county, CA
3 years
2 months
30 10.6
(10.3)
62 Angel's Basalt by bluesnote
Orange county, CA
2 years
10 months
28 10.3
(9.97)
63 Seasonal Beach Sand Cycles - Crystal Cove by crawil
Orange county, CA
21 years
2 months
208 10.2
(10.1)
64 Fossils Under Our Feet by mpark65
Orange county, CA
8 years
5 months
84 10.1
(9.95)
65 San Juan Capistrano Earthquake & Reservoir by bluesnote
Orange county, CA
12 years
8 months
130 9.78
(9.70)
66 Crystal Cove #2 -- Monterey Formations by 1962penny
Orange county, CA
12 years
4 months
129 9.61
(9.53)
67 Capistrano Formation - Dana Point by bluesnote
Orange county, CA
10 years
10 months
114 9.58
(9.49)
68 Dana Point's Hidden Gem by H2O KLAN
Orange county, CA
10 years
6 months
110 9.58
(9.49)
69 San Onofre Breccia – Dana Point Earthcache by crawil
Orange county, CA
21 years
2 months
226 9.40
(9.35)
70 Dripping Cave by DIK22DAK
Orange county, CA
1 year 11 9.31
(8.53)
71 Cave Rock by DIK22DAK
Orange county, CA
1 year 11 9.28
(8.51)
72 Plaza de la Paz Fossils by DopeyDuck
Orange county, CA
18 years
10 months
210 8.99
(8.95)
73 Barton Mound by bluesnote
Orange county, CA
11 months 11 8.96
(8.21)
74 Disneyland’s Esplanade by bluesnote
Orange county, CA
1 year
5 months
16 8.95
(8.42)
75 Crystal Cove #1 -- Peperite by 1962penny
Orange county, CA
12 years
4 months
142 8.74
(8.68)
76 Anaheim Landing by bluesnote
Orange county, CA
5 years
10 months
68 8.62
(8.50)
77 Tafoni and Honeycomb Weathering - Corona Del Mar by Joeman200
Orange county, CA
11 years
9 months
140 8.43
(8.37)
78 Hydrogeology - Lake Mission Viejo by Chet13
Orange county, CA
1 year
7 months
19 8.31
(7.90)
79 Honeycombing at Laguna Beach by STNolan
Orange county, CA
9 years
9 months
120 8.16
(8.09)
80 Brea Olinda -- Natural Oil Seepage by 1962penny
Orange county, CA
12 years
1 month
151 8.02
(7.97)
81 BHC #12: Early Oil Fields (Puente/Brea/Olinda) by 1962penny
Orange county, CA
11 years
8 months
148 7.93
(7.88)
82 Laguna Niguel Fossils by DIK22DAK
Orange county, CA
9 months 10 7.50
(6.82)
83 Newport-Inglewood Fault - Huntington Beach Oil by bluesnote
Orange county, CA
2 years
10 months
39 7.41
(7.23)
84 Ladera Town Center Spheres by bluesnote
Orange county, CA
7 months 8 7.32
(6.51)
85 San Juan Creek Watershed - Oso Creek by bluesnote
Orange county, CA
5 years
3 months
73 7.31
(7.21)
86 Submerged River Valley - Upper Newport Bay by Tissa1020 & Foxhound
Orange county, CA
21 years
2 months
303 6.99
(6.97)
87 Former El Toro Marine Corps Air Station by DopeyDuck
Orange county, CA
21 years
2 months
305 6.96
(6.94)
88 Fossil Park by DopeyDuck
Orange county, CA
19 years
10 months
292 6.79
(6.77)
89 Newport Beach Erosion Control by bluesnote
Orange county, CA
10 years
6 months
157 6.69
(6.65)
90 Two Years Before the Mast by bluesnote
Orange county, CA
10 years
11 months
169 6.46
(6.42)
91 Aliso Village Beehive by bluesnote
Orange county, CA
1 year
2 months
19 6.43
(6.11)
92 Newport-Inglewood Fault - Seal Beach by bluesnote
Orange county, CA
1 year
11 months
31 6.38
(6.18)
93 Beach Berm Dam - Doheny State Beach by crawil
Orange county, CA
21 years
1 month
373 5.65
(5.64)
94 California Scenario by bluesnote
Orange county, CA
1 year
7 months
29 5.61
(5.42)
95 Dana Cove Fault - Dana Point by Chet13
Orange county, CA
7 months 11 5.58
(5.11)
96 Alipaz Plaza - Flames by bluesnote
Orange county, CA
6 months 10 5.56
(5.05)
97 Spirit of the Lima Bean by bluesnote
Orange county, CA
1 year
7 months
30 5.46
(5.28)
98 100 Spectrum Center by bluesnote
Orange county, CA
5 months 9 5.20
(4.68)
99 Newport Beach Wedge Giant Waves by penzee
Orange county, CA
11 years
2 months
225 4.98
(4.96)
100 Nightshift by bluesnote
Orange county, CA
1 year
7 months
33 4.96
(4.82)
Total records: 112, Page 1 of 2
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Statistics last updated Tuesday, 01 September 2026 05:27:48 Eastern Daylight Time
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