Rocky Mountains

1. Yellowstone National ParkIdaho, Montana, Wyoming
   Just past peakPeak 25 Sep best 24 to 27 Sep
2. Glacier National ParkMontana
   Just before peakPeak 28 Sep, larch 11 Oct best 27 to 30 Sep
3. Grand Teton National ParkWyoming
   Peak this weekendPeak 27 Sep best 26 to 29 Sep
4. Rocky Mountain National ParkColorado
   Just past peakPeak 22 Sep best 21 to 24 Sep

Pacific Northwest

1. North Cascades National ParkWashington
   Just before peakPeak 29 Sep, maple 8 Oct best 28 Sep to 1 Oct
2. Lake Roosevelt National Recreation AreaWashington
   Just before peakPeak 28 Sep best 27 to 30 Sep
3. Lake Chelan-Sawtooth WildernessWashington
   Just before peakPeak 28 Sep best 27 to 30 Sep
4. Tumwater Botanical AreaWashington
   Just before peakPeak 28 Sep, maple 7 Oct best 27 to 30 Sep

Northern Plains

1. Theodore Roosevelt National ParkNorth Dakota
   Just before peakPeak 1 Oct best 30 Sep to 3 Oct
2. GDU Canal LakesNorth Dakota
   Just before peakPeak 1 Oct best 30 Sep to 3 Oct
3. Fort Union Trading Post National Historic SiteNorth Dakota
   Just before peakPeak 30 Sep best 29 Sep to 2 Oct
4. J. Clark Salyer National Wildlife RefugeNorth Dakota
   Just before peakPeak 29 Sep best 28 Sep to 1 Oct

California

1. Sequoia National ParkCalifornia
   Just before peakPeak 1 Oct best 30 Sep to 3 Oct
2. John Muir WildernessCalifornia
   Just before peakPeak 29 Sep best 28 Sep to 1 Oct
3. Hoover WildernessCalifornia
   Just before peakPeak 1 Oct best 30 Sep to 3 Oct

Great Lakes and Upper Midwest

1. Voyageurs National ParkMinnesota
   Just before peakPeak 29 Sep best 28 Sep to 1 Oct
2. Superior National ForestMinnesota
   Just before peakPeak 30 Sep best 29 Sep to 2 Oct
3. Agassiz WildernessMinnesota
   Just before peakPeak 1 Oct best 30 Sep to 3 Oct

Desert Southwest

1. Humboldt National ForestNevada
   Just before peakPeak 30 Sep best 29 Sep to 2 Oct