Montana Fish, Wildlife & Parks is alerting the public to angling restrictions on the Big Hole and Jefferson Rivers effective Friday, July 3 as a result of high water temperatures. Restrictions on other southwest Montana rivers are likely in the near future.

The restrictions beginning Friday will close the following rivers to fishing daily from 2 pm - midnight until conditions improve:

  • The entire length of the Big Hole river except for Dickey Bridge to Maiden Rock FAS
  • The entire length of the Jefferson River

Regional Fisheries Manager Travis Horton says biologists are keeping a close eye on all area rivers as we continue to see above average temperatures and low flows. Horton told MT FWP, quote,

Not only does this heat stress our fish, but the low water reduces available habitat. We cannot control those elements, but we can ask anglers to reduce their impact.


As restrictions are implemented, FWP recommends anglers seek out opportunities for fishing waters less susceptible to fish kills (i.e. high mountain lakes and reservoirs). For up-to-date information on restrictions related to drought, visit fwp.mt.gov/news/restrictions/

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