Mount Tammany
Trail · New Jersey
From the Dunnfield Creek lot in Worthington State Forest, a 3.5-mile loop climbs Mount Tammany for New Jersey's classic view of the Delaware River slicing through the Kittatinny Ridge, part of the roughly 70,000-acre Delaware Water Gap National Recreation Area established in 1965.
Don’t miss
Peak: October 21–October 25
Color builds from October 8 · mostly bare by November 14
Method: daily ERA5 temperatures drive a photoperiod + chilling phenology model, sampled at Mount Tammany’s own coordinates and elevation (120 m) rather than a regional average. Estimates, not promises — check locally before you plan a trip around it.
Mount Tammany on the map
More things to do in New Jersey
Terhune Orchards
OrchardColor nearby peaks November 2
Farmed since the 1920s and family-run as an orchard since 1975, this roughly 200-acre Princeton-area farm and winery holds Fall Festival weekends through September and October with pick-your-own apples across 34 varieties, pumpkins, and a corn maze.
Don’t miss: Fall Festival weekends · 34 pick-your-own apple varieties · On-site winery
Alstede Farms
FarmColor nearby peaks October 27
On 600 acres of preserved Chester farmland, Alstede's corn maze covers more than 10 acres and three miles of paths beneath a lookout bridge, with night 'Harvest Moon' maze runs alongside pick-your-own pumpkins and apples every fall since 1982.
Don’t miss: 10-acre corn maze with lookout bridge · Night harvest-moon maze hours · Pick-your-own pumpkins and apples
High Point State Park
State parkPeak October 18
A 220-foot veterans' monument built in 1928-30 marks New Jersey's highest elevation at 1,803 feet, with panoramic Sussex County views reaching toward the Poconos and Catskills. It's one of the state's most rewarding fall-foliage overlooks.
Don’t miss: New Jersey's highest point · 220-ft veterans monument · Views toward the Poconos and Catskills
Six Flags Great Adventure Fright Fest
Haunted attractionColor nearby peaks November 6
Six Flags Great Adventure trades daytime crowds for fog-lit scare zones once Fright Fest starts, with live shows and pay-to-enter haunted mazes worked by costumed actors across the Jackson park. Regular coasters like Nitro keep running after dark, so a scare and a loop on a roller coaster fit into the same night.
Don’t miss: Fog-lit scare zones · Pay-to-enter haunted mazes · Rides running after dark
Plan from a city
Frequently asked
- When does Mount Tammany peak in 2026?
- Peak color is predicted for October 21–October 25 (best estimate October 23). Color starts around October 8 and is mostly bare by November 14.
- What is Mount Tammany best for?
- New Jersey's best foliage overlook.
- How do I get to Mount Tammany?
- The closest city is New York City, about 61 mi away. It's part of New Jersey's fall lineup.
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