Trail Overview

Mount Tammany Trail — Delaware Water Gap, New Jersey is a 4.0 miles-mile loop trail in Delaware Water Gap, NJ, New Jersey, gaining 1500 ft feet on a Rock, dirt surface as a loop returning to the trailhead via a different path. Typical completion time: 3–4 hours.

Trail at a Glance

  • Distance: 4.0 miles miles · Loop
  • Elevation Gain: 1500 ft feet
  • Difficulty: Hard
  • Surface: Rock, dirt
  • Season: Year-round
  • Time: 3–4 hours
  • Fee: Free (parking fee)
  • Dogs: Yes (leash)
  • Permit: None

What to Expect

The trail begins in Delaware Water Gap, NJ and showcases the natural character of New Jersey. The Rock, dirt surface is manageable for most hikers, and the route is clearly marked throughout. At Hard difficulty, this trail rewards the effort with scenery and experiences that define outdoor recreation in New Jersey.

The 1500 ft-foot elevation change shapes the experience. The ascent builds steadily before the turnaround or loop completion returns you to the trailhead. Stay alert for wildlife and changing weather conditions common to New Jersey trails.

Planning Your Visit

Fee: Free (parking fee). Dogs not permitted. Permit required: None. Arrive early on weekends to secure parking. Bring at least 2 liters of water per person and energy-dense snacks. Layered clothing is essential for mountain and high-elevation environments.

What to Pack

  • Water: 2+ liters per person
  • Navigation: Download the GPX file before heading out
  • Sun protection: Sunscreen, hat, sunglasses
  • Layers: Wind layer and warm mid-layer
  • First aid: Basic kit with blister care

Getting There

The trailhead for Mount Tammany Trail — Delaware Water Gap, New Jersey is located in Delaware Water Gap, NJ, New Jersey. Confirm current conditions with the managing agency before your visit. Download the GPX file for navigation.

Leave No Trace

Stay on the designated trail, pack out all waste including food scraps and pet waste, keep dogs leashed, and respect wildlife by maintaining distance. Your care preserves these trails for future visitors.

Download the GPX File

Free GPX download available on this page. Load it into Garmin, Gaia GPS, AllTrails, or any compatible navigation app before leaving cell service.