Mount Washington Cog Railway

Scenic railway · New Hampshire

Autumn foliage at Mount Washington Cog Railway
Photo: King of Hearts / Wikimedia Commons, CC BY-SA 4.0

The world's first mountain-climbing rack railway has hauled passengers up Mount Washington's west slope since 1869. Biodiesel and vintage steam locomotives grind up a 37% grade past treeline, fall color giving way to alpine tundra near the 6,288-foot summit.

Best for: Historic rail trip to the summit

Don’t miss

  • Operating since 1869
  • Steam and biodiesel locomotives
  • Climbs above treeline to New England's highest summit
2026 Forecast

Color nearby peaks: September 28–October 2

Color builds from September 13 · mostly bare by October 21

Color starts: September 13Peak: September 30Bare: October 21AugustDecember

Sampled at Mount Washington Cog Railway’s own coordinates and elevation (1174 m) rather than a regional average.

This window comes from 4 weather points across New Hampshire, nudged 3 days later to match 1 published peak date from almanac.com. This year's weather has the peak running 2 days earlier than a normal year. How the forecast works

When to go to Mount Washington Cog Railway

The color window runs about 26 days, holding until around October 9. Against New Hampshire overall, that is 13 days earlier. Most of that is elevation. It sits at 3,852 ft.

Mount Washington Cog Railway on the map

Drag the date slider to see when color reaches this corner of New Hampshire, or tap a pin for that stop’s own peak window.

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Frequently asked

When does Mount Washington Cog Railway peak in 2026?
Peak color is predicted for September 28–October 2 (best estimate September 30). Color starts around September 13 and is mostly bare by October 21.

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