Tag Archives: upper Gibbon River drainage

Removal of nonnative fish from the upper Gibbon River drainage, which includes streams that flow out of Grebe, Wolf and Ice lakes, will cause some road and trail closures in Yellowstone National Park on September 2-13, 2019.

The war on nonnative fish in Yellowstone National Park continues next week, as rotenone will be applied to the Upper Gibbon River drainage to kill off remove nonnative rainbow trout and brook trout.