Bierstadt Albert Kern-s River Valley California Albert Bierstadt (1830-1902)

The picture has something of this: mist, tree, water, fog, wood, landscape, nature, dawn, outdoors, fall, river, lake, park, reflection, scenic, leaf, fair weather, summer.
Perhaps it’s a painting of people wading in a river in a mountainous area with a mountain range in the background and a few trees in the foreground.