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An easy-to-follow loop with a few spurs. Trailhead info at bottom of this post.

This classic Mount Tammany trail loop hike combines the steep, scrambly Red Dot Trail ascent with a gentler descent along the Blue Dot Trail, offering a full-on mountain experience in just a few miles.

The Red Dot climb is short and intense—expect to gain over 1,200 feet of elevation in under 1.5 miles. But the payoff at the top is immediate: open ledges, panoramic views, hawks soaring on thermals, and the wide Delaware River winding far below.

From there, the Blue Trail brings you down gradually through dense forest and past Dunfield Creek, a lovely, shaded stream that’s perfect for cooling off on a summer day. The full loop is well-maintained, well-marked, and one of the most popular in New Jersey for good reasons: it’s dramatic, it’s beautiful, and it’s highly rewarding.

This is a true mountain loop, not a walk in the woods. The footing is rocky, the Red Dot climb can be punishing in the heat, and the trails get crowded, especially on weekends. But if you go early, or off-season, you’ll understand why Mount Tammany has become a rite of passage for Northeast hikers.

Table of Contents

Is Mount Tammany a difficult hike?

How hard is Mount Tammany?

Mount Tammany Hike Time

Mount Tammany Trail Elevation Gain

Mount Tammany Trail Notes & Gallery

Descent

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Frequently Asked Questions

Is Mount Tammany a difficult hike?

Mount Tammany is a short but steep and rocky hike. The Red Dot Trail ascends more than 1,200 feet in under 1.5 miles, with several scrambly sections and little shade. While the trail is well-marked and manageable for fit hikers, it can feel strenuous (especially in hot or icy conditions). Proper footwear and water are essential.

How hard is Mount Tammany?

It’s harder than it looks. The Red Dot Trail starts climbing almost immediately and doesn’t let up until you reach the summit. There’s some rock scrambling involved, and the trail can be slick when wet. That said, the full Red Dot / Blue Dot loop is only about 3.5 miles, and the descent is much gentler. For experienced hikers, it’s a fun challenge. For beginners, it may feel quite tough but very doable with breaks.

Mount Tammany Trail

The Mount Tammany hiking trail includes…

Steep and rocky ascent

Fantastic views along the way and from the lookout

An easier, mellower descent

Dunfield Creek is lovely

A full breakdown is provided below in the hike notes with 10 photos.

Mount Tammany Hike Time

Allow 2½-3 hours for this hike.

Mount Tammany Trail Elevation Gain

The elevation gain for this hike is 1196 feet (apx 365 meters).

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Mount Tammany Trail Notes & Gallery

Here is the Mount Tammany AllTrails track of the exact route I hiked for this trail guide.

Begin at the parking lot and look for the start of the Red Dot Trail to Mount Tammany.

There are some great views of Mount Minsi on the way up Mount Tammany trail…

View of Mount Minsi from Mount Tammany

View of Mount Minsi from Mount Tammany

Spot the hiker…

View of Mount Minsi from Mount Tammany

Mount Tammany Trail Lookout

Just below the summit, look for a spur to your right and head down this rocky section…

Hikers heading down to the big view

This is the big view, made extra famous from Instagram…

Looking across the Delaware Water Gap from Mount Tammany

Mount Tammany

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Descent

From here, you can head up over the summit. All the hard work is done and the descent is easy-peasy.

Blue Dot Trail

When you get down to the flats, take a few minutes to explore this section around Dunfield Creek…

Dunfield Creek

Dunfield Creek

It must be delightful, here, on a hot summer day. Great spot to cool off!

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The Hudson Highlands are the closest in terms of terrain and iconic water views.

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Mount Tammany Trail via Red Dot and Blue Dot Loop Trailhead

Large lot with another large lot slightly to the east.

Google Maps Location: 40.971863, -75.123199

The map below shows the exact topographic location of the trailhead

Cell Service

Good throughout. My network is Verizon. YMMV.

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The parent mountain for this hike is Mount Tammany .