Check before you leave
Missouri River (Canyon Ferry Dam to Toston / upper segments public FAS)
Central Montana / Missouri River system · Montana · the full record
Kept on this device only. Nothing about your trip is sent anywhere.
Reading official sources…
Cannot tell
Cannot tellDecided by: Closure check. Poor if any factor is poor. Otherwise cannot establish if access, launch or the closure check cannot be established, or if the trip needs a current reading that cannot be had. Otherwise conditional if any factor is conditional or unknown. Otherwise good.
Closure check
Cannot tellThe closure scan has not been read yet.
Missing: The live read
Current official data
Cannot tellThe official readings have not been read yet.
Missing: The live read
How this works on the water
Weather and water exposure
Cannot tellThe trip depends on weather or tide that cannot be read here.
Missing: The live read
Documented hazards
Fits with checksStanding hazards are documented; read them against the day.
strong current
Checks on the day
Fits with checks5 checks have to be done on the day.
Identify the exact FAS put-in and take-out (e.g. York's Islands → Toston) before travel. · Check current FWP regulations and any emergency rules for the planned segment. · Review USGS stage and NWS forecasts. · Confirm district assignment and any Exceptions to Standard Regulations (hoot-owl, spawning closures). · Same-day FWP check required at https://fwp.mt.gov/fish/regulations
Access certainty
Fits5 named public sites on the official page.
Toston Fishing Access Site (FWP — primary lower-corridor anchor for Canyon Ferry Dam–Toston planning) · York's Islands Fishing Access Site (FWP — south of Townsend / Hwy 287 corridor) · Fairweather and other published FWP FAS between Canyon Ferry Dam and Toston (select named site only) · Toston Fishing Access Site
Access for a shore trip
FitsNamed shore or pier access is on the official page.
Toston Fishing Access Site (FWP — primary lower-corridor anchor for Canyon Ferry Dam–Toston planning) · York's Islands Fishing Access Site (FWP — south of Townsend / Hwy 287 corridor) · Toston Fishing Access Site
Daylight and return
FitsNo times set; the sun times are printed.
sunset 19:14 at the water · civil dusk 19:44 at the water
How this works on the water
Regulations
FitsNo special rules are noted on the record. Read the standard rules on the agency's page on the day; Waterways does not read them.
Logistics
FitsNo logistics limits are recorded.
The check, in order
Record this check to see what changes next time.
- Closure languageCannot tell
Not read yet.
Official page - Official observationsCannot tell
Not read yet.
- WeatherCannot tell
Not read yet.
- The site for this tripCheck
Named shore or pier access is on the official page. Toston Fishing Access Site (FWP — primary lower-corridor anchor for Canyon Ferry Dam–Toston planning); York's Islands Fishing Access Site (FWP — south of Townsend / Hwy 287 corridor); Toston Fishing Access Site.
Official page - RegulationsCheck
Read today's rules on the agency page.
Regulations - On the dayCheck
Identify the exact FAS put-in and take-out (e.g. York's Islands → Toston) before travel.
Official page - On the dayCheck
Check current FWP regulations and any emergency rules for the planned segment.
Official page - On the dayCheck
Review USGS stage and NWS forecasts.
Official page - On the dayCheck
Confirm district assignment and any Exceptions to Standard Regulations (hoot-owl, spawning closures).
Official page - On the dayCheck
Same-day FWP check required at https://fwp.mt.gov/fish/regulations
Official page - Official accessEstablished
5 named sites as of the page read on 2026-09-24. Confirm the one you use is open today.
Official page - Record freshnessEstablished
The official page was last read automatically on 2026-09-24.
Official page - Daylight and returnEstablished
No times set; the sun times are printed. sunset 19:14 at the water · civil dusk 19:44 at the water.
Hypothetical · you set this
What changes if…
These change a copy of the evidence, never a reading. Nothing here is a forecast.