The trunk glacier roared down Little Cottonwood Canyon, carving out the enormous U-shaped valley, removing 300-400 feet of rock along the sides of the old valley.
| The spectacular U-shaped glacial valley of Little Cottonwood Canyon |
The trunk glacier roared down Little Cottonwood Canyon, carving out the enormous U-shaped valley, removing 300-400 feet of rock along the sides of the old valley.
| The spectacular U-shaped glacial valley of Little Cottonwood Canyon |