In 1921, U.S. Fish Commission personnel stocked Grebe Lake, at that time fishless, with the Montana strain Thymallus arcticus montanus of a lacustrine form  of Arctic Grayling.
 The original stocks came from Georgetown Lake near Anaconda, Montana.
 The fluvial form of Arctic Grayling was native to the Madison and Gibbon Rivers below Gibbon Falls.
 In an effort to re-establish grayling in western states, over 72 million grayling eggs were harvested from Grebe Lake between 1931 and 1956 and distributed to hatcheries.
Most lake dwelling grayling in the west today can be genetically traced to the Grebe Lake stocks,.
 Grebe Lake was closed to fishing until 1944 because of the fish culture operations at the lake.
 Wolf Lake 2 miles (3.2 km) west and Cascade Lake 3 miles (4.8 km) east also contain grayling.
In 1921, U.S. Fish Commission personnel stocked Grebe Lake, at that time fishless, with the Montana strain Thymallus arcticus montanus of a lacustrine form  of Arctic Grayling.  The original stocks came from Georgetown Lake near Anaconda, Montana.  The fluvial form of Arctic Grayling was native to the Madison and Gibbon Rivers below Gibbon Falls.  In an effort to re-establish grayling in western states, over 72 million grayling eggs were harvested from Grebe Lake between 1931 and 1956 and distributed to hatcheries. Most lake dwelling grayling in the west today can be genetically traced to the Grebe Lake stocks,.  Grebe Lake was closed to fishing until 1944 because of the fish culture operations at the lake.  Wolf Lake 2 miles (3.2 km) west and Cascade Lake 3 miles (4.8 km) east also contain grayling.
Grebe Lake