Main Section

Run from below the Gnar Section to Idylwilde Dam.

Suggested river levels for paddling this section of the Big Thompson are between a bare minimum of 300cfs and a high of 1,100cfs. River conditions sourced from USGS 06660000, the Laramie River At Laramie Remember only watercraft are permitted at Main Section.

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Status	Too Low
Class Level	IV+ to V
Elevation	7,128 ft
Run Length	3.0 Mi
Streamflow Discharge	42 cfs
Gage Height	3.9 ft
Air Temperature	33°
River	Big Thompson
Reporting Streamgage	Laramie River At Laramie USGS 06660000

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Gage Height
Streamflow
Stage vs Discharge
Temperature

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Streamflow Discharge

Water Temperature

Stage vs Discharge

Weather Forecast

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Area Hydrology

Streamgauges
Snowpacks

Gauge	Streamflow	Stage
Ranch Creek Near Fraser USGS 09032000	4 cfs	4.6 ft
Big Thompson River At Loveland USGS 06741510	9 cfs	0.7 ft
Cherry Creek Below Cherry Creek Lake USGS 06713000	36 cfs	4.7 ft
South Platte River At Waterton USGS 06708000	21 cfs	0.6 ft
West Fork Clear Creek Abv Mouth Nr Empire USGS 06716100	17 cfs	4.3 ft
Grand River Ditch At La Poudre Pass USGS 09010000	-999 cfs	0.0 ft
South Platte River Below Union Ave USGS 06710247	89 cfs	11.2 ft
Boulder Creek At Mouth USGS 06730500	51 cfs	9.8 ft
Colorado River Bl Shadow Mountain Reservoir USGS 09015000	20 cfs	1.4 ft
South Platte R At 64Th Ave. Commerce City USGS 06714215	9 cfs	1.4 ft

Snotel Site	Snowpack	24hr Change
wellington 0.4 nw, co SNOTEL CO-LR-952	1.7"	0"
fcl 3.0 w, co SNOTEL CO-LR-284	3.84"	3.18"
fcl 2.3 nw, co SNOTEL CO-LR-311	3.29"	2.75"
bellvue 5.9 w, co SNOTEL CO-LR-4	5.28"	3.53"
englewood #2 SNOTEL ENLC2	0.54"	0"
Phantom Valley SNOTEL 688	20"	3"
rollinsville 1.7 e, co SNOTEL CO-GL-25	3.69"	2.36"
cr66 SNOTEL GEYC2	0.62"	0"
fcl 2.55 ne, co SNOTEL CO-LR-340	2.76"	2.36"
Windy Peak SNOTEL 872	34"	-1"
fort collins 4.6 n, co SNOTEL CO-LR-762	2.53"	2.2"
erie 1.7 wnw, co SNOTEL CO-BO-285	0.64"	0"
broomfield 3.2 nne, co SNOTEL CO-BR-32	0.69"	0"
florissant 5.0 n, co SNOTEL CO-TL-19	0.62"	0.09"
woodland park 1.1 nnw, co SNOTEL CO-TL-28	0.11"	0.05"
fort collins 5.4 wsw, co SNOTEL CO-LR-623	5.32"	4.46"
fort collins SNOTEL FORC2	3.19"	2.72"
boulder 1.5 nnw, co SNOTEL CO-BO-496	1.01"	0"
berthoud 4.4 wsw, co SNOTEL CO-LR-922	3.24"	2.91"
fort lupton 7.4 nw, co SNOTEL CO-WE-326	0.11"	0"
greeley 2.6 w, co SNOTEL CO-WE-171	0.59"	0"
tabernash 2.7 nw, co SNOTEL CO-GR-68	0.36"	0"
denver 6.1 wsw, co SNOTEL CO-JF-3	0.35"	0"
rollinsville 1.1 ssw, co SNOTEL CO-GL-17	12.99"	2.67"
conifer 3.2 sw, co SNOTEL CO-JF-53	4.5"	2.5"
longmont 3.3 sw, co SNOTEL CO-BO-507	0.51"	0"
greeley 4.6 wnw, co SNOTEL CO-WE-318	0.65"	0"
Hourglass Lake SNOTEL 1122	41"	6"
cabin creek SNOTEL GCRC2	20.91"	4.1"
longmont 8.2 ese, co SNOTEL CO-WE-203	0.12"	0"
ralston reservoir SNOTEL GDNC2	2.39"	2.25"
Willow Park SNOTEL 870	58"	3"
lyons 4.8 n, co SNOTEL CO-LR-50	6.67"	5.46"
longmont 3.0 sw, co SNOTEL CO-BO-435	0.48"	0"
colorado springs 6.9 ne, co SNOTEL CO-EP-282	0.68"	0"
cripple creek,co SNOTEL CRIC2	0.07"	0"
Berthoud Summit SNOTEL 335	59"	6"
estes park 1.8 s, co SNOTEL CO-LR-767	6.5"	3.31"
evergreen 5 w, co SNOTEL CO-CC-2	5.48"	3.83"
evergreen SNOTEL EVGC2	3.45"	2.63"
virginia dale 7.2 ssw, co SNOTEL CO-LR-672	4.86"	3.73"
nederland 5.8 e, co SNOTEL CO-BO-57	4.54"	2.66"
Never Summer SNOTEL 1031	49"	7"
estes park 3.3 ssw, co SNOTEL CO-LR-247	7.49"	3.73"
glen haven 1.2 n, co SNOTEL CO-LR-868	5.65"	2.58"
highlands ranch 3.2 ese, co SNOTEL CO-DG-74	2.17"	0"
aurora 5 se SNOTEL AUOC2	0.49"	0"
grant SNOTEL GRTC2	7.58"	2.98"
lakewood 1.7 sw, co SNOTEL CO-JF-333	0.47"	0"
lake george 7.2 wnw, co SNOTEL CO-PK-39	1.35"	0.15"
boulder 2.9 s, co SNOTEL CO-BO-4	0.96"	0"
erie 1.7 wnw, co SNOTEL CO-BO-455	0.72"	0"
lafayette 2.5 nw, co SNOTEL CO-BO-222	0.4"	0"
gleneagle 0.4 wnw, co SNOTEL CO-EP-61	1.02"	0"
fcl 2.2 nw, co SNOTEL CO-LR-273	3.22"	2.7"
longmont 2.1 n, co SNOTEL CO-BO-143	0.49"	0"
University Camp SNOTEL 838	55"	4"
fort collins 5.5 s, co SNOTEL CO-LR-1100	3.84"	3.27"
arvada 3.5 wnw, co SNOTEL CO-JF-457	0.53"	0"
aurora 4.0 sse, co SNOTEL CO-AR-259	0.42"	0"
monument 2.1 ene, co SNOTEL CO-EP-17	1.21"	0"
co st forest st park SNOTEL CSFC2	2.29"	2.25"
monument 3s SNOTEL DMDC2	0.81"	0"
nederland 2.61 nne, co SNOTEL CO-BO-75	6.13"	3.25"
Michigan Creek SNOTEL 937	36"	0"
lyons 0.3 nne, co SNOTEL CO-BO-146	4.7"	4.13"
lafayette 0.4 wsw, co SNOTEL CO-BO-8	1.24"	0"
parker 3.5 wnw, co SNOTEL CO-DG-292	1.18"	0"
westminster 2.3 sse, co SNOTEL CO-AD-225	1.17"	0"
wellington 0.8 sw, co SNOTEL CO-LR-1008	1.71"	0"
estes park 10.5 se, co SNOTEL CO-LR-1019	9.48"	6.28"
fcl 3.0 sw, co SNOTEL CO-LR-391	4.4"	3.7"
Copeland Lake SNOTEL 412	10"	4"
wellington 3.7 wnw, co SNOTEL CO-LR-918	1.69"	0"
Wild Basin SNOTEL 1042	43"	0"
allens park 1.5 ese, co SNOTEL CO-BO-22	12.21"	7.12"
loveland 2.3 nw, co SNOTEL CO-LR-854	4.56"	3.82"
windsor 3.0 sse, co SNOTEL CO-WE-507	1.01"	0"
fcl 5.6 e, co SNOTEL CO-LR-393	2.6"	0"
erie 1.5 nne, co SNOTEL CO-WE-511	0.16"	0"
nederland 4.8 ene, co SNOTEL CO-BO-110	4.98"	2.77"
fcl 7.9 ene, co SNOTEL CO-WE-250	2.59"	0"
Rawah SNOTEL 1032	23"	6"
evergreen 3.4 wnw, co SNOTEL CO-CC-22	5.47"	3.88"
nederland 3.7 ene, co SNOTEL CO-BO-296	5.43"	2.94"
carr 0.6 s, co SNOTEL CO-WE-127	1.58"	0"
highlands ranch 1.1 ene, co SNOTEL CO-DG-165	1.96"	0"
laramie 1se SNOTEL ADFW4	0.79"	0.21"
denver 0.4 e, co SNOTEL CO-DN-175	0.43"	0"
fort collins 0.9 n, co SNOTEL CO-LR-849	3.15"	2.71"
fort collins 4.2 s, co SNOTEL CO-LR-758	1.94"	0"
fort collins 2.8 wsw, co SNOTEL CO-LR-75	4.19"	3.52"
windsor 3.8 wsw, co SNOTEL CO-LR-845	1.73"	0"
boulder 2.1 w, co SNOTEL CO-BO-437	1.53"	1.22"
evergreen 4.2 sse, co SNOTEL CO-JF-157	4.54"	3.17"
Jackwhacker Gulch SNOTEL 935	39"	3"
niwot 2.3 w, co SNOTEL CO-BO-248	0.67"	0"
red feather 5.9 ne, co SNOTEL CO-LR-329	5.57"	3.71"
lafayette 2.3 nw, co SNOTEL CO-BO-290	1.34"	0"
hygiene,co SNOTEL HGIC2	0.66"	0"
erie 1.6 ne, co SNOTEL CO-WE-209	0.14"	0"
black forest 6wnw SNOTEL BKFC2	1"	0"
littleton 6.4 w, co SNOTEL CO-JF-212	1.44"	1.19"
lov 3.4 s, co SNOTEL CO-LR-472	2.65"	2.06"
nederland 0.4 wnw, co SNOTEL CO-BO-322	5.74"	3.27"
fort collins 2.8 w, co SNOTEL CO-LR-1009	3.93"	3.29"
laporte 1.4 nw, co SNOTEL CO-LR-761	2.93"	2.46"
boulder 2.0 w, co SNOTEL CO-BO-380	1.43"	1.13"
fcl 1.7 se, co SNOTEL CO-LR-295	3.4"	2.91"
wheat ridge 2.8 wsw, co SNOTEL CO-JF-290	0.34"	0"
boulder 4.7 ene, co SNOTEL CO-BO-220	0.55"	0"
south platte river SNOTEL ANTC2	2.42"	-0.32"
cheyenne wfo SNOTEL CYSW4	1.95"	1.65"
cheesman SNOTEL CHEC2	1.02"	0"
Sawtooth SNOTEL 1251	63"	4"
laramie 7sse SNOTEL CMBW4	0.93"	0.33"
boulder 1.5 wnw, co SNOTEL CO-BO-490	1.41"	1.17"
golden 12.5 nw, co SNOTEL CO-JF-331	3.71"	2.56"
lafayette 0.8 wsw, co SNOTEL CO-BO-266	1.35"	0"
loveland 1.5 n, co SNOTEL CO-LR-40	3.95"	3.31"
nederland 4.2 e, co SNOTEL CO-BO-233	4.68"	2.68"
loveland 2.7 e, co SNOTEL CO-LR-687	1.79"	0"
fort collins 3.7 s, co SNOTEL CO-LR-885	3.81"	3.26"
estes park,co SNOTEL ETSC2	5.8"	2.92"
aurora 2.1 ese, co SNOTEL CO-AR-313	0.5"	0"
lakewood 2.2 ese, co SNOTEL CO-JF-179	1.41"	0"
fort collins 1.2 nne, co SNOTEL CO-LR-1137	3.02"	2.59"
boulder 2.2 nw, co SNOTEL CO-BO-452	2.23"	1.87"
Bear Lake SNOTEL 322	57"	8"
fort collins 3.9 nne, co SNOTEL CO-LR-112	2.32"	0"
nunn 1.2 ene, co SNOTEL CO-WE-345	2.01"	0"
broomfield 2.3 ssw, co SNOTEL CO-JF-72	1.3"	0"
Crow Creek SNOTEL 1045	12"	0"
aurora south SNOTEL EAGC2	0.86"	0"
loveland 3.0 nne, co SNOTEL CO-LR-104	2.07"	1.51"
estes park 1.8 sse, co SNOTEL CO-LR-987	6.43"	3.25"
evergreen 6.5 wsw, co SNOTEL CO-CC-1	6.02"	4.06"
highlands ranch 2.5 ssw, co SNOTEL CO-DG-178	1.9"	0"
berthoud SNOTEL ERTC2	1.63"	1.33"
aspen springs amrad SNOTEL ASIC2	3.7"	2.65"
parker 2.1 wnw, co SNOTEL CO-DG-146	0.82"	0"
la porte 10.0 nnw, co SNOTEL CO-LR-567	3.42"	3.18"
longmont 1.8 ene, co SNOTEL CO-BO-352	0.38"	0"
longmont 5.1 e, co SNOTEL CO-WE-302	0.24"	0"
livermore 9.9 wsw, co SNOTEL CO-LR-897	5.22"	3.74"
bailey SNOTEL BLYC2	3.18"	1.1"
evergreen 2.0 ese, co SNOTEL CO-JF-395	3.84"	2.77"
Loveland Basin SNOTEL 602	60"	5"
Jones Pass SNOTEL 970	39"	6"
longmont 1.8 e, co SNOTEL CO-BO-361	0.34"	0"
arvada 4.7 w, co SNOTEL CO-JF-455	0.5"	0"
evergreen 1.3 nne, co SNOTEL CO-JF-424	3.68"	2.84"
highlands ranch 0.6 sse, co SNOTEL CO-DG-176	2.03"	0"
gross reservoir SNOTEL GRRC2	2.96"	2.16"
boulder 1.8 w, co SNOTEL CO-BO-491	1.53"	1.22"
westminster 1.6 ne, co SNOTEL CO-AD-153	1"	0"
firestone SNOTEL FSNC2	0.14"	0"
fcl 1.7 sw, co SNOTEL CO-LR-320	3.97"	3.34"
amrad SNOTEL CNRC2	5.56"	3.34"
fort collins 9.6 se, co SNOTEL CO-LR-630	1.66"	0"
boulder 1.6 s, co SNOTEL CO-BO-14	1.07"	0.99"
loveland 2.4 nw, co SNOTEL CO-LR-676	4.56"	3.82"
fort collins 4.9 n, co SNOTEL CO-LR-1020	2.44"	2.13"
ward 4.6 ne, co SNOTEL CO-BO-202	11.48"	6.42"
castle rock 1.7 ssw, co SNOTEL CO-DG-62	0.91"	0.89"
fort collins 1.1 wnw, co SNOTEL CO-LR-863	3.51"	2.97"
jamestown 2.5 sse, co SNOTEL CO-BO-343	6.12"	3.61"
denver 8 ssw, co SNOTEL CO-DN-30	0.99"	0"
fort collins 3.4 n, co SNOTEL CO-LR-653	2.76"	2.36"
buford 4se SNOTEL BFDW4	2.6"	2.07"
estes park 1.7 w, co SNOTEL CO-LR-1115	6.41"	2.99"
conifer 5.7 sw, co SNOTEL CO-JF-222	3.78"	1.72"
boulder 1.9 se, co SNOTEL CO-BO-30	0.7"	0"
loveland 2.8 wnw, co SNOTEL CO-LR-1109	4.93"	4.16"
georgetown SNOTEL GEOC2	4.14"	2.84"
boulder 4.7 e, co SNOTEL CO-BO-67	0.64"	0"
niwot 0.7 nnw, co SNOTEL CO-BO-338	0.55"	0"
littleton 6.0 w, co SNOTEL CO-JF-376	0.26"	0.13"
thornton 2.1 n, co SNOTEL CO-AD-100	0.26"	0"

Outdoor Recreation

Camp
Ski
Paddle

Campground	Campsites	Elevation
Narrows	5	6,470 ft
Meadow Park	None	5,349 ft
Reverends Ridge - Golden Gate State Park	106	9,105 ft
Peaceful Valley	17	8,552 ft
Dutch George	20	6,520 ft
Stove Prairie	9	6,068 ft
Kelly Flats	29	6,751 ft
Ansel Watrous	16	5,839 ft
Pinewood Reservoir	22	6,604 ft
Hermit Park Open Space	None	8,313 ft
Mountain Park	54	6,678 ft
Lower Narrows	8	6,470 ft
Flatiron Reservoir	None	5,483 ft
Kelly Dahl	46	8,615 ft

Ski Area	Snowpack	Air Temperature	5 Day Forecast
Ski Estes Park (Hidden Valley)	57"	27°	14.19"
Eldora Mountain Resort	26"	26°	14.44"
Echo Mountain Park	31"	22°	12.94"

River Run	Streamflow	Length	Class
Steven's Gulch to Bridges Take Out	56.4cfs	12.0 Mi	III- to IV+
Upper South Boulder Creek	11.0cfs	None Mi	V+
Tunnel 1 to Golden Whitewater Park	49.5cfs	None Mi	III- to III+
SSV - Confluence to Picnic Grounds	55.4cfs	5.0 Mi	V to V+
Filter Plant	1.66cfs	None Mi	II to III+
Lower Boulder Canyon	50.8cfs	None Mi	IV- to V-
Upper Narrows	56.4cfs	0.5 Mi	V- to V+
Gnar Section	141.0cfs	1.0 Mi	V+
Idledale to Morrison	23.7cfs	3.0 Mi	IV+ to V
October Hole	55.4cfs	None Mi	II
Lower Narrows	72.4cfs	0.5 Mi	V- to V+
Upper South Boulder Creek	11.0cfs	None Mi	V+
Golden Whitewater Park	1.66cfs	0.75 Mi	II+
Upper Clear Creek	49.5cfs	2.5 Mi	IV- to IV+
Filter Plant	1.66cfs	None Mi	II to III+
Lower North Fork	72.4cfs	11.0 Mi	III
NSV	55.4cfs	13.0 Mi	V+
Main Section	46.8cfs	3.0 Mi	IV+ to V
Rustic (Upper)	56.4cfs	20.0 Mi	III to III+
Middle Narrows	56.4cfs	1.0 Mi	IV to V-
Upper North Fork	69.7cfs	9.0 Mi	IV+ to V-

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MAIN SECTION

Whitewater Paddling

Main Section

Run Stats

Streamflow Discharge

Water Temperature

Stage vs Discharge

Weather Forecast

Area Hydrology

Outdoor Recreation

Snowpack depths, snowfall totals, and ski area snow forecasts

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