Where is the place at that tom hanks is running in forrest gump?

Question

with the snow capped mountains and mirrored water

Answer 1

To be more specific, I believe it is Glacier National Park, Montana.

Answer 2

this is the list of locations according to IMDB

Ambassador Hotel - 3400 Wilshire Boulevard, Los Angeles, California, USA

(disco and strip club scenes)

Beaufort, South Carolina, USA

Biltmore Estate - 1 Approach Road, Asheville, North Carolina, USA

Blackfeet Indian Reservation, Montana, USA

(second unit)

Bluff Plantation - 3547 Combahee Road, Yemassee, South Carolina, USA

East Los Angeles College - 1301 Avenida Cesar Chavez, Monterey Park, California, USA

Flagstaff, Arizona, USA

Fripp Island, South Carolina, USA

Glacier National Park, Montana, USA

(mountain lake)

Grandfather Mountain, Linville, North Carolina, USA

(exteriors)

Grauman's Chinese Theater - 6925 Hollywood Blvd., Hollywood, Los Angeles, California, USA

Lincoln Memorial, National Mall, Washington, District of Columbia, USA

Marks Hall - 612 W. 35th Place, University of Southern California, Los Angeles, California, USA

(Jenny's dormitory)

Monument Valley, Utah, USA

Orange, California, USA

(where Tom Hanks sits waiting for the bus)

Paramount Studios - 5555 Melrose Avenue, Hollywood, Los Angeles, California, USA

(studio)

Pemaquid, Maine, USA

Port Clyde, Maine, USA

Pritchardville, South Carolina, USA

Santa Monica Pier, Santa Monica, California, USA

Savannah, Georgia, USA

The Ebell of Los Angeles - 743 South Lucerne Bouelvard, Los Angeles, California, USA

Twin Arrows, Arizona, USA

(smiley face scene)

University of Southern California, Los Angeles, California, USA

(college scenes)

Valley of the Gods, Mexican Hat, Utah, USA

Varnville, South Carolina, USA