There are six separate mountain ranges within the forest including the Gallatin , Madison , Bridger , Crazy , Absaroka , and Beartooth Ranges . The Beartooth 's are home to Granite Peak , which at , is the highest point in Montana and also in the forest . Quake Lake on the Madison River is the site of the 1959 earthquake and landslide which formed the lake . A separate section of the forest north of Livingston , Montana is located in the Crazy Mountains which rise over above the great plains to the east . The forest includes two wilderness areas , the Absaroka – Beartooth ( ) and the Lee Metcalf ( )
1959 earthquake and landslide
1959 Hebgen Lake earthquake
Gallatin National Forest