Black Canyon - Highway 34 To Grace Powerhouse


Due to negotiated dam releases (thanks to american whitewater org) this run is doable again.  You should be a good class IV boater befor attempting this run and expect some V conditions based on water level.

Suggested river levels for paddling this section of the Bear River are between a bare minimum of 450cfs and a high of 1,000cfs. River conditions sourced from USGS 10092700, the Bear River At Idaho-Utah State Line Remember only watercraft are permitted at Black Canyon - Highway 34 to Grace Powerhouse.

Disclaimer: Snoflo assumes no responsibility for errors or omissions in any of the content found here. You, the user assumes the entire risk associated with use of this data and content. terms of service

Whitewater Rapids

Obstacles on the river run
Boo Boo Rapid
Class V

Area Hydrology

Gauge Streamflow Stage
Grays Lake Outlet Nr Herman Id
USGS 13057500
0 cfs 1.7 ft
Bear River At Idaho-Utah State Line
USGS 10092700
636 cfs 10.0 ft
Blackfoot River Ab Reservoir Nr Henry Id
USGS 13063000
147 cfs 2.6 ft
Portneuf River At Topaz Id
USGS 13073000
169 cfs 2.7 ft
Blackfoot River Nr Shelley Id
USGS 13066000
112 cfs 5.6 ft
Snake River At Blackfoot Id
USGS 13062500
1,240 cfs 4.3 ft
Snake River Nr Irwin Id
USGS 13032500
2,690 cfs 5.5 ft
Willow Creek Bl Tex Creek Nr Ririe Id
USGS 13057940
116 cfs 3.0 ft
Marsh Creek Nr Mccammon Id
USGS 13075000
61 cfs 2.8 ft
Snake River Nr Shelley Id
USGS 13060000
2,490 cfs 5.4 ft
Snotel Site Snowpack 24hr Change
Emigrant Summit
SNOTEL 471
38" -2"
Temple Fork
SNOTEL 1013
22" -2"
Sheep Mtn.
SNOTEL 749
31" -1"
Franklin Basin
SNOTEL 484
38" -2"
Dry Bread Pond
SNOTEL 455
25" -2"
Horse Ridge
SNOTEL 533
24" -1"
Kilfoil Creek
SNOTEL 1145
16" -3"
Oxford Spring
SNOTEL 677
1" 0"
Giveout
SNOTEL 493
9" -1"
Somsen Ranch
SNOTEL 770
20" -2"
Tony Grove Lake
SNOTEL 823
49" -2"
Slug Creek Divide
SNOTEL 761
21" -2"
Bug Lake
SNOTEL 374
30" -2"
Usu Doc Daniel
SNOTEL 1098
56" 0"
Monte Cristo
SNOTEL 634
41" -2"
Garden City Summit
SNOTEL 1114
26" -1"
Ben Lomond Trail
SNOTEL 333
12" -2"
Sedgwick Peak
SNOTEL 741
37" -2"
Lightning Ridge
SNOTEL 1056
23" -3"
Klondike Narrows
SNOTEL 1115
24" -3"
Ben Lomond Peak
SNOTEL 332
44" 0"