Walden Pond State Reservation

State park · Massachusetts

Autumn foliage at Walden Pond State Reservation
Photo: John Phelan / Wikimedia Commons, CC BY 4.0

Thoreau's kettle pond in Concord rings itself in oak, maple, and hickory color by mid-to-late October. The 1.7-mile shore path is an easy morning walk, with the clearest light early and the fewest people on a weekday.

Don’t miss

  • Shore path loop
  • Thoreau house site
2026 Forecast

Peak: October 19–October 23

Color builds from October 6 · mostly bare by November 11

Color starts: October 6Peak: October 21Bare: November 11AugustDecember

Method: daily ERA5 temperatures drive a photoperiod + chilling phenology model, sampled at Walden Pond State Reservation’s own coordinates and elevation (51 m) rather than a regional average. Estimates, not promises — check locally before you plan a trip around it.

Walden Pond State Reservation on the map

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Frequently asked

When does Walden Pond State Reservation peak in 2026?
Peak color is predicted for October 19–October 23 (best estimate October 21). Color starts around October 6 and is mostly bare by November 11.
How do I get to Walden Pond State Reservation?
The closest city is Boston, about 16 mi away. It's part of Massachusetts's fall lineup.

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