Maps & Publications

Flathead River Patrol Reports

Jump to: Middle Fork Reports | North Fork Reports

Note: Be aware that river conditions can change rapidly depending on weather and other factors. These condition reports are for reference only, and are not authoritative guides.

Cubic Feed per Second (CFS) and Water Depth are based on USGS Survey Stations near the river segment. Current stream-flow data can be found at https://waterwatch.usgs.gov/

How to Read the Hydrograph

 

Middle Fork Flathead River

Date (2020) Put-In Take Out Length (mi) Float Time (hrs) CFS* Water Depth (ft)* Observed Conditions
9/6 Moccasin Cr West Glacier 9 3.5 638 1,9
  • Water clear, little/no debris present.
  • Most rocks/obstacles exposed. All rock bars exposed.
  • Heavy craft may need to be pushed through some sections.
  • Slow water, reduced hydraulic effects. 
9/4 Blankenship House of Mystery 10.5 3 647 1.91
  • Water clear, little/no debris present.
  • Most rocks/obstacles exposed. All rock bars exposed.
  • Heavy craft may need to be pushed through some sections.
  • Slow water, reduced hydraulic effects. 
8/29 Moccasin Cr. Blankenship 13.5 5 785 2.05
  • Water clear, little/no debris present.
  • Most rocks/obstacles exposed. Many rocks near the surface. Most rock bars exposed.
  • Heavy craft may need to be pushed through some sections.
  • Slow water. Reduced hydraulic effects.
8/24 Blankenship House of Mystery 11 3 904 2.16
  • Water clear, little/no debris present.
  • Most rocks/obstacles exposed. Many rocks near the surface. Most rock bars exposed.
  • Heavy craft may need to be pushed through some sections.
  • Slow water. Reduced hydraulic effects.
8/23 Moccasin Cr. Blankenship 14 4 938 2.19
  • Water clear, little/no debris present.
  • Most rocks/obstacles exposed. Many rocks near the surface. Most rock bars exposed.
  • Heavy craft may need to be pushed through some sections.
  • Slow water. Reduced hydraulic effects.
8/15 Cascadilla West Glacier 16 4 1,060 2.29
  • Water clear, little/no debris present.
  • Most rocks/obstacles exposed. Many rocks near the surface. Most rock bars exposed.
  • Heavy craft may need to be pushed through some sections.
  • Slow water. Reduced hydraulic effects.
8/1 Paola Cascadilla 12 3 1,970 2.90
  • Water clear. Little/no debris present
  • Many rocks/obstacles exposed. Many rocks near the surface. Most rock bars exposed.
  • Slow water, reduced hydraulic effects
8/1 Essex Paola 7 2 1,970 2.90
  • Water clear. Little/no debris present
  • Many rocks/obstacles exposed. Many rocks near the surface. Most rock bars exposed.
  • Slow water, reduced hydraulic effects
7/27 Blankenship House of Mystery 10.5 2 2420 3.35
  • Water clear. Little/no debris present
  • Many rocks/obstacles exposed. Many rocks near the surface. Most rock bars exposed.
  • Slow water, reduced hydraulic effects
7/19 Paola Cascadilla 12 3.5 3110 3.47
  • Water clear. Little/no debris present
  • Many rocks/obstacles exposed. Many rocks near the surface. Most rock bars exposed.
  • Slow water, reduced hydraulic effects
7/19 Essex Paola 7 2 3110 3.47
  • Water clear. Little/no debris present
  • Many rocks/obstacles exposed. Many rocks near the surface. Most rock bars exposed.
  • Slow water, reduced hydraulic effects
7/19 Bear Cr Essex 4.5 1.5 3110 3.47
  • Water clear. Little/no debris present
  • Many rocks/obstacles exposed. Many rocks near the surface. Most rock bars exposed.
  • Strong hydraulic effects in a few locations.
7/18 Cascadilla West Glacier 10 3.5 2900 3.7
  • Low to moderate flow
  • Water clear. Little/no debris present
  • Many rocks/obstacles exposed. Many rocks near the surface. Most rock bars exposed.
  • Strong hydraulic effects in a few locations.
7/13 Spruce Park Bear Cr. 6.2 2 4490 4
  • Water clear. Little/no debris present
  • Many rocks/obstacles exposed. Many rocks near the surface. Many rock bars exposed.
  • Strong hydraulic effects in several locations.
7/12 Granite Cabin Spruce Park 9 4 4640 4.05
  • Water clear. Little/no debris present
  • Many rocks/obstacles exposed. Many rocks near the surface. many rock bars exposed.
  • Strong hydraulic effects in several locations.
  • Main channel partially obstructed by a strainer below the Lunch Creek series; passable channel still present.
7/11 Schafer Meadows Granite Cabin 12 5 4750 4.09
  • Water clear. Little/no debris present
  • Many rocks/obstacles exposed. Many rocks near the surface. many rock bars exposed.
  • Navigable channel generally available. Heavy craft may need to be pushed or lined through a few locations.
  • Strong hydraulic effects in several locations.
7/6
Cascadilla
Blankenship
21.5 3.75 790
2.15
  • Water starting to clear. Some debris present
  • Fast water with strong hydraulic effects in some locations.
  • Some rocks/obstacles and rock bars are exposed. Many rocks near the surface of the water.
  • Seasonally flooded vegetation mostly exposed.
  • At Nyack Flats, a number of trees/strainers are present, but aren't causing significant navigational challenges.
7/6 Paola Cascadilla 12 2.5 7900 5
  • Water starting to clear
  • Some rock bars exposed and some rocks/obstacles exposed
  • Many rocks just under the surface of the water
  • Strong hydraulic effects in a few locations
  • Seasonally flooded vegetation mostly exposed
7/6 Bear Cr. Paola 10.5 1.5 7900 5
  • Water starting to clear
  • No debris present
  • Some rock bars exposed and some rocks/obstacles exposed
  • Many rocks just under the surface of the water
  • Fast water with strong hydraulic effects in some locations
  • Seasonally flooded vegetation mostly exposed
6/21 Paola Bear Cr. 12 2 9900 5.63
  • Water starting to clear but still slightly murky
  • Few rocks/obstacles exposed, some rock bars exposed
  • Fast water with strong hydraulic effects in some locations
  • Seasonally flooded vegetation is mostly exposed
6/21 Bear Cr. Paola 10.5 2.5 9900 5.63
  • Moderate flow
  • water clear, no debris present
  • Some rocks exposed, many rock bars
  • Navigable channels available
  • Strong hydraulic effects in a few locations
  • Seasonally flooded vegetation mostly exposed
6/12 West Glacier Blankenship 5 0.75 10,000 5.65
  • High to moderate flow
  • Water starting to clear, still slightly murky
  • Few rocks or obstacles exposed
  • Very few rock bars exposed
  • Fast water and strong hydraulic effects in narrower areas
  • Seasonally flooded vegetation is mostly exposed

*Middle Fork CFS and Water Depth from the USGS Survey Station at West Glacier (123585000)

 


 

North Fork Flathead River

Date (2020) Put-In Take Out Length (mi) Float Time (hrs) CFS* Water Depth (ft)* Observed Conditions
9/5 Big Creek Glacier Rim 10 4 701 1.83
  • Water clear, little/no debris present.
  • Most rocks/obstacles exposed. All rock bars exposed.
  • Heavy craft may need to be pushed through some sections.
  • Slow water, reduced hydraulic effects. 
8/30 Big Creek Glacier Rim 11 4 779 1.98
  • Water clear, little/no debris present.
  • Most rocks/obstacles exposed. Many rocks near the surface. Most rock bars exposed.
  • Heavy craft may need to be pushed through some sections.
  • Slow water. Reduced hydraulic effects.
8/23 Great Northern Flats Blankenship 11 3 906 2.13
  • Water clear, little/no debris present.
  • Most rocks/obstacles exposed. Many rocks near the surface. Most rock bars exposed.
  • Heavy craft may need to be pushed through some sections.
  • Slow water. Reduced hydraulic effects.
8/22 Coal Cr. Great Northern Flats 13.2 4 934 2.16
  • Water clear. Little/no debris present.
  • Most rocks/obstacles exposed. All rock bars exposed.
  • Most craft will need to be pushed through some sections.
  • Very slow water, minimal hydraulic effects.
8/21 Polebridge Coal Cr. 11 3 962 2.19
  • Water clear. Little/no debris present.
  • Most rocks/obstacles exposed. All rock bars exposed.
  • Most craft will need to be pushed through some sections.
  • Very slow water, minimal hydraulic effects.
8/21 Ford Polebridge 11 3 962 2.19
  • Water clear. Little/no debris present.
  • Most rocks/obstacles exposed. All rock bars exposed.
  • Most craft will need to be pushed through some sections.
  • Very slow water, minimal hydraulic effects.
8/9 Great Northern Flats Blankenship 11 3 1420 2.63
  • Water clear, little/no debris present.
  • Most rocks/obstacles exposed. Many rocks near the surface. Most rock bars exposed.
  • Heavy craft may need to be pushed through some sections.
  • Slow water. Reduced hydraulic effects.
8/9 Coal Cr. Great Northern Flats 14.5 3.5 1430 2.63
  • Low-Moderate Flow
  • Water clear, little/no debris present.
  • Most rocks/obstacles exposed. Many rocks near the surface. Most rock bars exposed.
  • Heavy craft may need to be pushed through some sections.
  • Slow water. Reduced hydraulic effects.
8/8 Polebridge Coal Cr. 10.5 3 1500 2.68
  • Low-Moderate Flow
  • Water clear, little/no debris present.
  • Many rocks/obstacles exposed. Most rock bars exposed.
  • Heavy craft will need to be pushed through some sections.
  • Slow water. Reduced hydraulic effects.
8/8 Ford Polebridge 11 4 1500 2.68
  • Water clear, little/no debris present.
  • Most rocks/obstacles exposed. Many rocks near the surface. Most rock bars exposed.
  • Heavy craft may need to be pushed through some sections.
  • Slow water. Reduced hydraulic effects.
7/31 Border Ford 14 3.5 1,820 2.93
  • Water clear, little/no debris present.
  • Many rocks/obstacles exposed. Many rocks near the surface. Most rock bars exposed.
  • Heavy craft may need to be pushed through some sections.
  • Slow water. Reduced hydraulic effects.
7/26 Sonderson Mdws Polebridge 5.4 1.75 2,240 3.23
  • Water clear, little/no debris present.
  • Many rocks/obstacles exposed. Many rocks near the surface. Most rock bars exposed.
  • Slow water. Reduced hydraulic effects.
7/25 Border Sonderson Mdws 18.5 4 2,340 3.3
  • Water clear, little/no debris present.
  • Many rocks/obstacles exposed. Many rocks near the surface. Most rock bars exposed.
  • Heavy craft may need to be pushed through some sections (above Ford).
  • Slow water. Reduced hydraulic effects.
7/24 Big Creek Blankenship 16 4 2420 3.35
  • Water clear, little/no debris present.
  • Many rocks/obstacles exposed. Many rocks near the surface. Most rock bars exposed.
  • Slow water. Reduced hydraulic effects.
7/24 Polebridge Big Cr. 18.5 5 2,420 3.35
  • Water clear, little/no debris present.
  • Some rocks/obstacles exposed. Many rocks near the surface. Most rock bars exposed.
  • Slow water. Reduced hydraulic effects.
  • The rule of thumb "stay river right to avoid log jams between Coal Creek and Camas Bridge" is holding true this year.
  • A number of log jams present between river mile 24 and 19 creating a very narrow but navigable channel at approximately river mile 21.5.

7/13

Border Ford 14 3 4000 4.38
  • Water clear, little/no debris present.
  • Some rocks/obstacles exposed. Many rocks near the surface. Most rock bars exposed.
  • Heavy craft may need to be pushed through some sections.
  • Slow water. Reduced hydraulic effects.
7/11 Coal Cr Great Northern Flats 13 3.5 4300 4.4
  • Water clear, little to no debris present
  • Some rocks & obstacles are exposed with many rocks near the surface of the water
  • Many rock bars are exposed.
  • Seasonally flooded vegetation entirely exposed.
  • Slow water with reduced hydraulic effects.
6/28 Ford Polebridge 11 2 7290 5.71
  • Water starting to clear, still slightly murky.
  • Few rocks/obstacles exposed, some rock bars exposed.
  • Fast water. Strong hydraulic effects at a few locations.
  • Seasonally flooded vegetation mostly exposed.
6/28
Border Ford 14 2.5 7,290 5.71
  • Water starting to clear, still slightly murky.
  • Few rocks/obstacles exposed, some rock bars exposed.
  • Fast water. Strong hydraulic effects at a few locations.
  • Seasonally flooded vegetation mostly exposed.
6/26 Big Cr Glacier Rim 11 2 8070 5.99
  • Water starting to clear, still slightly murky, some debris present.
  • Few rocks/obstacles exposed, some rock bars exposed.
  • Fast water. Strong hydraulic effects at some locations.
6/26 Coal Cr Big Cr 10 2 8070 5.99
  • Water starting to clear, still slightly murky, some debris present.
  • Few rocks/obstacles exposed, some rock bars exposed.
  • Fast water. Strong hydraulic effects at a few locations.
  • Seasonally flooded vegetation partially exposed.
  • The rule of thumb "stay river right to avoid log jams" is holding true this year.
  • A number of log jams present between river mile 24 and 19 but no significant navigational challenges.
6/26 Polebridge Coal Cr 10 2 8070 5.99
  • Water starting to clear, still slightly murky, some debris present.
  • Few rocks/obstacles exposed, some rock bars exposed.
  • Fast water. Strong hydraulic effects at a few locations.
  • Seasonally flooded vegetation partially exposed.
  • A number of trees/log jams present, but no significant navigational challenges.

 

*North Fork CFS and Water Depth from the USGS Survey Station at Columbia Falls (123555000)





https://www.fs.usda.gov/detailfull/flathead/maps-pubs/?cid=fseprd589522&width=full