Filter Plant


Filter Plant is THE beginner run in Northern Colorado.

Suggested river levels for paddling this section of the Cache La Poudre River are between a bare minimum of 350cfs and a high of 2,000cfs. River conditions sourced from USGS 06752280, the Cache La Poudre R Ab Boxelder C Remember only watercraft are permitted at Filter Plant.

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Whitewater Rapids

Obstacles on the river run
Mad Dog
Class II to III

Area Hydrology

Gauge Streamflow Stage
St. Vrain Creek Below Longmont
USGS 06725450
-999,999 cfs ft
Big Dry Creek At Westminster
USGS 06720820
3 cfs 1.5 ft
South Platte R At 64Th Ave. Commerce City
USGS 06714215
21 cfs 1.6 ft
Harvard Gulch At Colorado Blvd.
USGS 06711570
0 cfs 9.5 ft
Clear Creek Abv West Fork Clear Creek Nr Empire Co
USGS 06715000
11 cfs 3.5 ft
Berthoud Pass Ditch At Berthoud Pass
USGS 09021500
-999 cfs 0.0 ft
Buckhorn Creek Near Masonville
USGS 06739500
7 cfs 6.6 ft
Big Thompson River At Loveland
USGS 06741510
6 cfs 0.7 ft
St Vrain Cr Blw Boulder Cr At Hwy 119 Nr Longmont
USGS 06730525
87 cfs 9.7 ft
Cherry Creek Below Cherry Creek Lake
USGS 06713000
28 cfs 4.6 ft
Snotel Site Snowpack 24hr Change
la porte 10.0 nnw, co
SNOTEL CO-LR-567
0.66" -0.17"
longmont 1.8 e, co
SNOTEL CO-BO-361
2.08" -0.26"
laramie 1se
SNOTEL ADFW4
2.76" 0.13"
fort collins 3.4 n, co
SNOTEL CO-LR-653
1.17" -0.03"
nederland 4.8 ene, co
SNOTEL CO-BO-110
7.64" -0.8"
hygiene,co
SNOTEL HGIC2
1.81" -0.22"
florissant 5.0 n, co
SNOTEL CO-TL-19
1.29" -0.42"
westminster 1.6 ne, co
SNOTEL CO-AD-153
2.2" -0.33"
fcl 3.0 sw, co
SNOTEL CO-LR-391
4.53" -0.06"
denver/stapleton
SNOTEL DUAC2
1.81" -0.24"
greeley 2.6 w, co
SNOTEL CO-WE-171
2.2" -0.09"
Black Mountain
SNOTEL 1161
30" 0"
denver 6.1 wsw, co
SNOTEL CO-JF-3
2.6" -0.39"
black forest 6wnw
SNOTEL BKFC2
0.72" 0.57"
lakewood 2.2 ese, co
SNOTEL CO-JF-179
2.49" -0.36"
fort lupton 7.4 nw, co
SNOTEL CO-WE-326
1.52" -0.13"
aurora 2.1 ese, co
SNOTEL CO-AR-313
1.71" -0.29"
woodland park 1.1 nnw, co
SNOTEL CO-TL-28
0.35" -0.27"
nunn 6.5 ne, co
SNOTEL CO-WE-409
0.14" -0.1"
evergreen
SNOTEL EVGC2
3.35" -0.53"
fcl 3.0 w, co
SNOTEL CO-LR-284
3.51" -0.03"
evergreen 2.0 ese, co
SNOTEL CO-JF-395
3" -0.53"
fort collins 9.6 se, co
SNOTEL CO-LR-630
3.47" -0.09"
loveland 1.5 n, co
SNOTEL CO-LR-40
4.91" -0.11"
hudson 4.8 wsw, co
SNOTEL CO-WE-187
2.21" -0.23"
fcl 2.3 nw, co
SNOTEL CO-LR-311
1.15" -0.09"
rollinsville 1.1 ssw, co
SNOTEL CO-GL-17
12.12" -0.67"
franktown 3e
SNOTEL FNKC2
1.66" -0.36"
boulder 2.2 nw, co
SNOTEL CO-BO-452
2.31" -0.36"
aspen springs amrad
SNOTEL ASIC2
3.83" 0.84"
windsor 3.8 wsw, co
SNOTEL CO-LR-845
1.54" -0.16"
cheyenne 7ne
SNOTEL GRAW4
1.04" -0.41"
fort collins 4.9 n, co
SNOTEL CO-LR-1020
2.06" -0.08"
High Lonesome
SNOTEL 1187
51" 0"
the pinery, co
SNOTEL CO-DG-294
1.34" -0.33"
broomfield 2.3 ssw, co
SNOTEL CO-JF-72
1.98" -0.25"
laramie 7sse
SNOTEL CMBW4
3.3" -0.2"
denver 0.4 e, co
SNOTEL CO-DN-175
1.49" -0.24"
parker 3.5 wnw, co
SNOTEL CO-DG-292
1.39" -0.26"
franktown 3.6 ese, co
SNOTEL CO-DG-293
1.52" -0.46"
aurora 4.0 sse, co
SNOTEL CO-AR-259
1.52" -0.29"
boulder 1.9 se, co
SNOTEL CO-BO-30
2.65" -0.37"
estes park 1.7 w, co
SNOTEL CO-LR-1115
9.21" -0.48"
elizabeth #2
SNOTEL ELAC2
1.81" -0.39"
virginia dale 7.2 ssw, co
SNOTEL CO-LR-672
0.16" -0.47"
wheat ridge 2.8 wsw, co
SNOTEL CO-JF-290
1.88" -0.3"
nederland 4.2 e, co
SNOTEL CO-BO-233
6.63" -0.9"
fort collins 1.1 wnw, co
SNOTEL CO-LR-863
3.31" -0.03"
grant
SNOTEL GRTC2
1.92" -0.29"
highlands ranch 2.5 ssw, co
SNOTEL CO-DG-178
2.67" -0.41"
boulder 2.9 s, co
SNOTEL CO-BO-4
2.63" -0.37"
boulder 4.7 ene, co
SNOTEL CO-BO-220
2.96" -0.38"
fort collins 4.2 s, co
SNOTEL CO-LR-758
4.53" -0.06"
thornton 2.1 n, co
SNOTEL CO-AD-100
2.16" -0.3"
boulder 1.5 nnw, co
SNOTEL CO-BO-496
2.45" -0.35"
evergreen 3.4 wnw, co
SNOTEL CO-CC-22
3.04" -0.59"
manitou springs 1.2 ese, co
SNOTEL CO-EP-175
0.11" -0.09"
gross reservoir
SNOTEL GRRC2
4.45" -0.85"
gleneagle 0.4 wnw, co
SNOTEL CO-EP-61
0.31" -0.22"
fcl 2.55 ne, co
SNOTEL CO-LR-340
1.17" -0.03"
boulder 4.7 e, co
SNOTEL CO-BO-67
2.56" -0.31"
fort collins 2.8 w, co
SNOTEL CO-LR-1009
4.3" -0.04"
lafayette 0.8 wsw, co
SNOTEL CO-BO-266
1.96" -0.24"
berthoud 4.4 wsw, co
SNOTEL CO-LR-922
3.46" -0.14"
allens park 1.5 ese, co
SNOTEL CO-BO-22
12.8" -0.81"
Windy Peak
SNOTEL 872
16" 1"
englewood 1.4 n, co
SNOTEL CO-AR-292
1.59" -0.22"
black forest 3.9 nne, co
SNOTEL CO-EP-66
0.24" -0.34"
littleton 6.4 w, co
SNOTEL CO-JF-212
2.33" -0.35"
conifer 5.7 sw, co
SNOTEL CO-JF-222
1.47" -0.32"
amrad
SNOTEL CNRC2
3.51" -0.63"
bailey
SNOTEL BLYC2
2.25" 0.62"
fcl 2.2 nw, co
SNOTEL CO-LR-273
2.83" -0.08"
boulder 2.0 w, co
SNOTEL CO-BO-380
3.02" -0.34"
monument 2.1 ene, co
SNOTEL CO-EP-17
1.03" -0.27"
cabin creek
SNOTEL GCRC2
13.32" -0.59"
niwot 2.3 w, co
SNOTEL CO-BO-248
4.41" -0.18"
Berthoud Summit
SNOTEL 335
40" 2"
loveland 2.7 e, co
SNOTEL CO-LR-687
3.09" -0.09"
fcl 7.9 ene, co
SNOTEL CO-WE-250
0.67" -0.04"
lafayette 2.5 nw, co
SNOTEL CO-BO-222
2.39" -0.28"
arvada 3.5 wnw, co
SNOTEL CO-JF-457
1.99" -0.19"
boulder 1.6 s, co
SNOTEL CO-BO-14
2.63" -0.36"
denver 8 ssw, co
SNOTEL CO-DN-30
1.9" -0.27"
aurora 5 se
SNOTEL AUOC2
3.43" 1.75"
Hourglass Lake
SNOTEL 1122
32" 0"
longmont 2.1 n, co
SNOTEL CO-BO-143
3.16" -0.16"
lakewood 1.7 sw, co
SNOTEL CO-JF-333
2.77" -0.41"
glen haven 1.2 n, co
SNOTEL CO-LR-868
3.38" -0.49"
nederland 2.61 nne, co
SNOTEL CO-BO-75
6.09" -0.82"
evergreen 1.3 nne, co
SNOTEL CO-JF-424
3.41" -0.5"
evergreen 5 w, co
SNOTEL CO-CC-2
3.01" -0.57"
estes park 1.8 s, co
SNOTEL CO-LR-767
7.3" -0.42"
littleton 6.0 w, co
SNOTEL CO-JF-376
2.7" -0.34"
arvada 3.8 w, co
SNOTEL CO-JF-240
2.02" -0.19"
loveland 2.8 wnw, co
SNOTEL CO-LR-1109
4.91" -0.12"
erie 1.5 nne, co
SNOTEL CO-WE-511
1.93" -0.2"
fcl 5.6 e, co
SNOTEL CO-LR-393
2.21" -0.05"
fort collins 2.8 wsw, co
SNOTEL CO-LR-75
3.8" -0.05"
nederland 3.7 ene, co
SNOTEL CO-BO-296
8.84" -0.66"
nederland 5.8 e, co
SNOTEL CO-BO-57
8.83" -0.93"
lov 3.4 s, co
SNOTEL CO-LR-472
4.79" -0.09"
fort collins 0.9 n, co
SNOTEL CO-LR-849
3.62" -0.05"
ralston reservoir
SNOTEL GDNC2
2.64" -0.04"
windsor 3.0 sse, co
SNOTEL CO-WE-507
1.78" -0.1"
nederland 0.4 wnw, co
SNOTEL CO-BO-322
8.42" -0.59"
fort collins 5.4 wsw, co
SNOTEL CO-LR-623
1.87" -0.26"
fcl 1.7 se, co
SNOTEL CO-LR-295
3.71" -0.05"
eaton 1.8 se, co
SNOTEL CO-WE-441
1.71" -0.05"
broomfield 3.2 nne, co
SNOTEL CO-BR-32
2.03" -0.24"
boulder 1.5 wnw, co
SNOTEL CO-BO-490
4.84" -0.37"
estes park 1.8 sse, co
SNOTEL CO-LR-987
2.68" -0.56"
peyton 8.5 wsw, co
SNOTEL CO-EP-371
0.2" -0.18"
nunn 1.2 ene, co
SNOTEL CO-WE-345
0.31" -0.05"
loveland 2.4 nw, co
SNOTEL CO-LR-676
4.73" -0.09"
red feather 5.9 ne, co
SNOTEL CO-LR-329
0.51" -0.62"
lafayette 2.3 nw, co
SNOTEL CO-BO-290
2.28" -0.28"
arvada 2.1 sse, co
SNOTEL CO-JF-427
2.11" -0.31"
loveland 3.0 nne, co
SNOTEL CO-LR-104
3.42" -0.09"
westminster 2.3 sse, co
SNOTEL CO-AD-225
2.3" -0.34"
longmont 3.0 sw, co
SNOTEL CO-BO-435
2.52" -0.32"
firestone
SNOTEL FSNC2
1.5" -0.13"
jamestown 2.5 sse, co
SNOTEL CO-BO-343
3.21" -0.64"
erie 0.5 se, co
SNOTEL CO-WE-392
1.96" -0.23"
castle rock 1.7 ssw, co
SNOTEL CO-DG-62
1.2" -0.28"
longmont 5.1 e, co
SNOTEL CO-WE-302
1.66" -0.16"
denver 3.2 sse, co
SNOTEL CO-DN-49
1.61" -0.3"
fort collins 1.2 nne, co
SNOTEL CO-LR-1137
2.72" -0.03"
arvada 4.7 w, co
SNOTEL CO-JF-455
2.12" -0.15"
aurora 4.2 nnw, co
SNOTEL CO-AD-127
2" -0.27"
greeley 4.6 wnw, co
SNOTEL CO-WE-318
1.68" -0.07"
niwot 0.7 nnw, co
SNOTEL CO-BO-338
2.83" -0.37"
Sawtooth
SNOTEL 1251
56" -1"
laporte 1.4 nw, co
SNOTEL CO-LR-761
1.1" -0.06"
fort collins 4.6 n, co
SNOTEL CO-LR-762
0.95" -0.07"
denver 1.1 ne, co
SNOTEL CO-DN-280
1.5" -0.24"
fcl 1.7 sw, co
SNOTEL CO-LR-320
4.69" -0.05"
conifer 3.2 sw, co
SNOTEL CO-JF-53
3.41" -0.48"
carr 0.6 s, co
SNOTEL CO-WE-127
0.3" -0.09"
boulder 2.1 w, co
SNOTEL CO-BO-437
2.33" -0.37"
Wild Basin
SNOTEL 1042
40" -2"
erie 1.7 wnw, co
SNOTEL CO-BO-455
1.97" -0.23"
highlands ranch 3.2 ese, co
SNOTEL CO-DG-74
1.45" -0.28"
erie 1.7 wnw, co
SNOTEL CO-BO-285
1.9" -0.24"
berthoud
SNOTEL ERTC2
2.02" -0.14"
thornton 2.3 sse, co
SNOTEL CO-AD-22
1.99" -0.27"
evans
SNOTEL ENSC2
1.12" -0.1"
evergreen 6.5 wsw, co
SNOTEL CO-CC-1
3.26" -0.56"
estes park 3.3 ssw, co
SNOTEL CO-LR-247
2.79" -0.63"
monument 3s
SNOTEL DMDC2
1.04" -0.29"
rollinsville 1.7 e, co
SNOTEL CO-GL-25
6.44" -0.69"
lyons 4.8 n, co
SNOTEL CO-LR-50
5.01" -0.21"
greeley 3.9 ene, co
SNOTEL CO-WE-3
1.82" -0.06"
Grizzly Peak
SNOTEL 505
42" 0"
colorado springs 5.7 wnw, co
SNOTEL CO-EP-37
0.29" -0.12"
longmont 1.8 ene, co
SNOTEL CO-BO-352
2.07" -0.25"
wellington 3.7 wnw, co
SNOTEL CO-LR-918
0.6" -0.06"
University Camp
SNOTEL 838
43" 1"
aurora 7.3 se, co
SNOTEL CO-AR-207
1.81" -0.34"
cr66
SNOTEL GEYC2
1.53" -0.06"
wellington 0.8 sw, co
SNOTEL CO-LR-1008
0.86" -0.05"
georgetown
SNOTEL GEOC2
3.14" -0.49"
Willow Park
SNOTEL 870
48" 1"
cheyenne wfo
SNOTEL CYSW4
1" -2"
wheat ridge 0.9 wsw, co
SNOTEL CO-JF-343
1.99" -0.28"
evergreen 4.2 sse, co
SNOTEL CO-JF-157
3.15" -0.57"
wellington 0.4 nw, co
SNOTEL CO-LR-952
0.84" -0.06"
parker 2.1 wnw, co
SNOTEL CO-DG-146
1.43" -0.28"
livermore 9.9 wsw, co
SNOTEL CO-LR-897
1.06" -0.6"
Echo Lake
SNOTEL 936
14" 1"
longmont 3.3 sw, co
SNOTEL CO-BO-507
2.55" -0.31"
black forest 3.8 w, co
SNOTEL CO-EP-396
0.24" -0.26"
cheesman
SNOTEL CHEC2
2.93" 1.16"
ward 4.6 ne, co
SNOTEL CO-BO-202
11.51" -0.8"
lafayette 0.4 wsw, co
SNOTEL CO-BO-8
1.94" -0.25"
highlands ranch 1.1 ene, co
SNOTEL CO-DG-165
2.16" -0.37"
buford 4se
SNOTEL BFDW4
1.26" 0.14"
erie 1.6 ne, co
SNOTEL CO-WE-209
1.81" -0.18"
denver 2.1 ese, co
SNOTEL CO-DN-25
1.47" -0.27"
englewood #2
SNOTEL ENLC2
1.95" -0.29"
estes park 10.5 se, co
SNOTEL CO-LR-1019
4.69" -0.5"
Copeland Lake
SNOTEL 412
27" 2"
fort collins 5.5 s, co
SNOTEL CO-LR-1100
3.47" -0.1"
fort collins 3.9 nne, co
SNOTEL CO-LR-112
5.28" -0.04"
boulder 1.8 w, co
SNOTEL CO-BO-491
2.33" -0.37"
lyons 0.3 nne, co
SNOTEL CO-BO-146
3.1" -0.22"
Phantom Valley
SNOTEL 688
29" 3"
denver 2.6 ssw, co
SNOTEL CO-DN-231
1.45" -0.27"
aurora south
SNOTEL EAGC2
1.49" -0.28"
Laprele Creek
SNOTEL 571
19" -1"
Crow Creek
SNOTEL 1045
17" 1"
longmont 8.2 ese, co
SNOTEL CO-WE-203
3.2" -0.09"
highlands ranch 0.6 sse, co
SNOTEL CO-DG-176
2.13" -0.38"
lake george 7.2 wnw, co
SNOTEL CO-PK-39
0.21" -0.26"
fort collins 3.7 s, co
SNOTEL CO-LR-885
2.97" -0.09"
Deadman Hill
SNOTEL 438
49" 0"
Niwot
SNOTEL 663
35" 1"
bellvue 5.9 w, co
SNOTEL CO-LR-4
2.61" -0.44"

Outdoor Recreation

Campground Campsites Reservations Toilets Showers Elevation
Carter Lake - North Side Campgrounds None 5,792 ft
Carter Lake - South Side Campgrounds None 5,711 ft
Boulder County Fairground None 4,974 ft
Curt Gowdy State Park None 7,593 ft
Flatiron Reservoir None 5,483 ft
Pinewood Reservoir 22 6,604 ft
South Bay - Horsetooth Reservoir None 5,435 ft
Vedauwoo 28 8,288 ft
Inlet Bay - Horsetooth Reservoir None 5,437 ft
Meadow Park None 5,349 ft
Ansel Watrous 16 5,839 ft
Ski Area Snowpack Air Temperature 5 Day Forecast
River Run Streamflow Length Class
Filter Plant 3.92cfs None Mi II to III+
Middle Narrows 54.5cfs 1.0 Mi IV to V-
NSV 10.7cfs 13.0 Mi V+
Upper North Fork 0.2cfs 9.0 Mi IV+ to V-
Main Section 47.8cfs 3.0 Mi IV+ to V
Filter Plant 3.92cfs None Mi II to III+
Lower North Fork 54.5cfs 11.0 Mi III
Upper South Boulder Creek 5.57cfs None Mi V+
Upper South Boulder Creek 5.57cfs None Mi V+
Gnar Section 187.0cfs 1.0 Mi V+
Steven's Gulch to Bridges Take Out 54.5cfs 12.0 Mi III- to IV+
Lower Boulder Canyon 40.2cfs None Mi IV- to V-
Lower Narrows 54.5cfs 0.5 Mi V- to V+
SSV - Confluence to Picnic Grounds 10.7cfs 5.0 Mi V to V+
October Hole 10.7cfs None Mi II
Upper Narrows 54.5cfs 0.5 Mi V- to V+