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Top hotspots

Top regions sorted by number of observed species
Rank Region Species Species
1 Lake Almanor--Hwy 36 Causeway
228
2 Sierra Valley--Marble Hot Springs Rd.
211
3 Lake Almanor
207
4 Chester railroad grade
205
5 Feather River mouth--riparian area
203
6 Lake Almanor--Feather River mouth
197
7 Sierra Valley (PLU Co.)
188
8 Sierra Valley--Marble Hot Springs Rd. bridge
184
9 Quincy WTP
181
10 Lake Davis
173
11 Sierra Valley--Harriet Ln. (PLU Co.)
166
12 Antelope Lake
162
13 Indian Valley (PLU Co.)
157
14 Thompson Valley Ponds
157
15 Hansen's Pond
153
16 Spanish Creek and Greenhorn Creek confluence
152
17 Leonhardt Ranch--Learning Landscapes site
150
18 American Valley--Dillinger Pond
149
19 American Valley--Quincy Junction Rd. at Bell Ln.
149
20 Grizzly Creek Ranch
149
21 Indian Valley--Stampfli Ln.
149
22 Plumas Eureka SP
147
23 Round Valley Reservoir
145
24 Feather River College
143
25 Frenchman Lake
141
26 Madora Lake
141
27 Chandler Rd. west--Bengard Ranch area
140
28 Gansner Park
138
29 Humbug Valley
138
30 Chandler Rd.
137
31 Chester WTP
136
32 Lake Almanor--Peninsula
136
33 Graeagle Mill Pond
134
34 Sierra Valley--Dyson Ln.
133
35 Sierra Valley--Dotta Guidici Rd.
131
36 Feather River College--Spanish Creek
130
37 Snake Lake
129
38 Taylorsville
129
39 Lake Almanor--Goose Bay
128
40 Lake Almanor--North Shore Campground
126
41 Lake Almanor--Prattville
125
42 Sierra Valley--Hwy A23 (PLU Co.)
125
43 Carmen Valley
124
44 Indian Valley--N Valley Rd.- west of Keddie Ridge
123
45 Maddalena Ranch
123
46 Willow Lake (PLU Co.)
123
47 Red Clover Valley
122
48 Heart K Ranch
121
49 Lake Almanor--Super Ditch
121
50 Lassen Volcanic NP--Drakesbad Guest Ranch
121
51 Quincy Junction Rd.--tennis court ponds and willows
117
52 Chat Corner--Hwy 89 at Arlington Rd.
115
53 Oakland Camp
115
54 Frazier Falls Trail
114
55 Island Ranch
114
56 Spanish Ranch Rd.
114
57 Bear Lakes Loop Trail
113
58 Frenchman Lake Dam
112
59 Lake Almanor--Canyon Dam Boat Ramp
112
60 Portola area
110
61 Chilcoot Pocket
108
62 Lake Almanor--off Last Chance Camp Rd.
108
63 Lake Davis--Coot Bay
108
64 Lake Almanor--adjacent to airport
107
65 Lake Davis--Eagle Pt.
107
66 Last Chance Creek Campground Rd.
105
67 Lake Davis--west
104
68 Lake Almanor--Bailey Creek
103
69 Lake Davis Dam
103
70 Last Chance Lake
101
71 Sierra Valley--Hwy A23 at Middle Fork Feather River
101
72 stakeout Brambling, Quincy (2021-22)
100
73 Lake Davis--Camp 5
99
74 Little Antelope Creek inflow
99
75 Little Grass Valley Reservoir
97
76 Beckwourth Pass (PLU Co.)
96
77 Frenchman Lake Rd.
96
78 Indian Valley--North Arm Rd.
96
79 Lake Almanor--public beach
96
80 Lake Almanor--old ranch house ruins
95
81 Clear Creek Marsh
94
82 Little Last Chance Canyon
93
83 Mill Creek Rd. and Trilogy Ln.
93
84 Sierra Valley--Roberti Ranch (restricted access)
93
85 Indian Valley--Fickardt Pt.
92
86 Lake Almanor--Poor Man's Pt.
92
87 Lassen Volcanic NP--Warner Creek Meadows
92
88 Last Chance Watershed--Clark's Creek
91
89 Sierra Valley--Beckwourth Genesse Rd.
90
90 Bucks Lake
89
91 Indian Valley--North Arm
89
92 Sierra Valley--Green Gulch Ranch pond
89
93 Sierra Valley--Power Station
89
94 UC Forestry Camp
89
95 Antelope Lake Dam
88
96 Last Chance Watershed--Willow Creek
88
97 Little Schneider Creek ponds
87
98 Lone Rock Valley
87
99 Quincy Junction Rd.--Chandler Heights
87
100 Indian Creek--Antelope Lake Dam to Babcock Crossing
86