Idaho Rivers
Live Conditions

Henrys Fork

Idaho86 miles
Primary Flow
cfs
Gauge Height
ft
Water Temp
°F
Air Temp
°F
Basin SWE
in avg
Daylight
sunrise
5-Day Trend
 

River Profile

86 mi
Headwater
Mouth
Island Park Dam → Last ChanceIsland Park DamLast Chance · 0.1 mi
Last Chance → Wood Road 16Last ChanceWood Road 16 · 13.2 mi
Wood Road 16 → Riverside CampgroundWood Road 16Riverside Campground · 2.7 mi
Riverside Campground → Grandview CanyonRiverside CampgroundGrandview Canyon · 12.7 mi
Grandview Canyon → Stone BridgeGrandview CanyonStone Bridge · 8.8 mi
Stone Bridge → AshtonStone BridgeAshton Reservoir · 4.5 mi
Ashton → Ashton DamAshton ReservoirAshton Dam · 0.2 mi
Ashton Dam → Ora BridgeAshton DamOra Bridge · 4.7 mi
Ora Bridge → Vernon BridgeOra BridgeVernon Bridge · 4.7 mi
0
10
20
30
40
50
60
70
80
Gauge(4)
Boat Ramp(10)
Rapid(3)
Whitewater
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30-Day Flow History

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7-Day Outlook

Forecast

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Your History · Henrys Fork

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Segments
9 segments
SegmentMilesRiver MileCFSStatusFloat Est.Rapids
Island Park DamLast Chance
0.1RM 0.00.10:02hrs
Last ChanceWood Road 16
13.2RM 0.113.33:46hrs
Wood Road 16Riverside Campground
2.7RM 13.316.00:46hrs
Riverside CampgroundGrandview Canyon
12.7RM 16.028.73:38hrs3max VI
Grandview CanyonStone Bridge
8.8RM 28.737.52:31hrs
Stone BridgeAshton Reservoir
4.5RM 37.542.01:17hrs
Ashton ReservoirAshton Dam
0.2RM 42.042.20:03hrs
Ashton DamOra Bridge
4.7RM 42.246.91:21hrs
Ora BridgeVernon Bridge
4.7RM 46.951.61:21hrs

Basin Snowpack

SNOTEL 16
  • Beaver Creek
    7,820 ft
    --
    --%
  • Black Bear
    8,160 ft
    --
    --%
  • Carrot Basin
    9,200 ft
    --
    --%
  • Clover Meadow
    8,770 ft
    --
    --%
  • Crab Creek
    6,870 ft
    --
    --%
  • Grassy Lake
    7,330 ft
    --
    --%

Quick Facts

Total Length
86 miles
Gauge Stations
5
Boat Ramps
12

Elevation Profile

Elevation data not yet available for this river.

Boat Ramps & Access

10 ramps
  • RM 0

    Island Park Dam

    Ramp Parking Restroom
  • RM 0

    Last Chance

    Ramp Parking Restroom
  • RM 13

    Wood Road 16

    Ramp Parking Restroom
  • RM 16

    Riverside Campground

    Ramp Parking Restroom
  • RM 29

    Grandview Canyon

    Ramp Parking Restroom
  • RM 38

    Stone Bridge

    Ramp Parking Restroom
  • RM 42

    Ashton Reservoir

    Ramp Parking Restroom
  • RM 42

    Ashton Dam

    Ramp Parking Restroom
  • RM 47

    Ora Bridge

    Ramp Parking Restroom
  • RM 52

    Vernon Bridge

    Ramp Parking Restroom
Fishing Intel

Current Hatches

Blue-Winged Olive
Caddis
Stonefly
Pale M. Dun
Midge
J
F
M
A
M
J
J
A
S
O
N
D

Recommended Flies — Late June

RS2 Emerger
#20-22 · Olive/Gray
Sparkle Dun BWO
#18-20 · Olive
Zebra Midge
#18-22 · Black/Red
Pat's Rubber Legs
#6-10 · Brown/Black
Pheasant Tail
#16-20 · Natural
Egg Pattern
#14-16 · Peach/Orange
Float Time Estimates
  • Island Park DamLast Chance
    0.1 mi
    --
    --:--
    hrs:min
  • Last ChanceWood Road 16
    13.2 mi
    --
    --:--
    hrs:min
  • Wood Road 16Riverside Campground
    2.7 mi
    --
    --:--
    hrs:min
  • Riverside CampgroundGrandview Canyon
    12.7 mi
    --
    --:--
    hrs:min
  • Grandview CanyonStone Bridge
    8.8 mi
    --
    --:--
    hrs:min
  • Stone BridgeAshton Reservoir
    4.5 mi
    --
    --:--
    hrs:min
  • Ashton ReservoirAshton Dam
    0.2 mi
    --
    --:--
    hrs:min
  • Ashton DamOra Bridge
    4.7 mi
    --
    --:--
    hrs:min
  • Ora BridgeVernon Bridge
    4.7 mi
    --
    --:--
    hrs:min

Notable Rapids

VI

Upper Mesa Falls

River mile 27.5

VI

Lower Mesa Falls

River mile 28.3

V

Sheep Falls

River mile 24.9

Season Timing
Fishing
Floating
Runoff
J
F
M
A
M
J
J
A
S
O
N
D

Regulations & Alerts

Spring Runoff Advisory

Water levels rising due to snowmelt. Exercise caution on all sections.

Browns Canyon National Monument

Special management area. No motorized boats permitted.

Catch & Release

Browns Canyon section: catch & release only for all trout species.

Bag & Possession Limits

Standard CO regulations: 4 trout per day, only 1 over 16".

Shuttle Distances

Island Park DamLast Chance

0.1 mi

river miles (driving distance varies)

Last ChanceWood Road 16

13.2 mi

river miles (driving distance varies)

Wood Road 16Riverside Campground

2.7 mi

river miles (driving distance varies)

Riverside CampgroundGrandview Canyon

12.7 mi

river miles (driving distance varies)

Grandview CanyonStone Bridge

8.8 mi

river miles (driving distance varies)

Stone BridgeAshton Reservoir

4.5 mi

river miles (driving distance varies)

Ashton ReservoirAshton Dam

0.2 mi

river miles (driving distance varies)

Ashton DamOra Bridge

4.7 mi

river miles (driving distance varies)

Ora BridgeVernon Bridge

4.7 mi

river miles (driving distance varies)

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