From Billings to Glendive, the Yellowstone River's cottonwood galleries peak in mid- to late October—a quiet eastern Montana season many mountain visitors miss entirely.

Photo: NPS/Jim Peaco / Wikimedia Commons / Public Domain
This is Montana's second fall color act: gold ribbons through gray sagebrush plains after the high country sleeps.
Black Cottonwood

Photo: Forest Service - Northern Region / Wikimedia Commons / CC BY 2.0
Viewing notes
Map pins mark public viewing hubs—not private ranches or closed tribal land. Fall color is weather-dependent; chase elevation downhill from late September peaks to late-October river corridors.
Viewing ethics
This guide is for viewing and photography only. Stay on durable surfaces, respect wildlife closures, and never collect branches or needles on federal or tribal land.
Visitor Access
- Nearest town: Glendive
- Color focus: Cottonwood Corridors
- Best season: Peak mid- to late October along the eastern Yellowstone
- Access: Seven Sisters WMA, fishing-access sites, and BLM river breaks. Much bottomland is private—use signed public access only.
- Reminder: National Parks and Montana State Parks prohibit collecting plants. View from designated routes and pullouts.