Photos: Fall Colors in Boulder County

The sun illuminates drops of water on an aspen leaf by a small stream near Colo. 72 on Sept. 26, 2019.

Aspen trees at various stages of color are seen from Colo. 72 on Sept. 26, 2019.

A small aspen tree is illuminated by the sun through a tree near Colo. 72 on Sept. 26, 2019.

An aspen leaf sits on a rock by a small stream near Colo. 72 on Sept. 26, 2019.

The sun shines through the leaves in grove of aspen trees near Colo. 72 on Sept. 26, 2019.

A grove of aspen trees is seen from Colo. 72 on Sept. 26, 2019.

Aspen leaves litter the floor of a grove near Colo. 72 on Sept. 26, 2019.

Aspen trees along Colo. 72 near Ward on Sept. 26, 2019.

Aspen trees along Colo. 72 near Ward on Sept. 26, 2019.