Hike Pyramid Mountain — Tripod Rock & Bear Rock in New Jersey

What to bring

Day-hike essentials for this trail. As an Amazon Associate we earn from qualifying purchases.

LOWA Renegade EVO GTX MidGORE-TEX, 3 widths, resolableCheck price on Amazon →

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Osprey Talon 22ventilated back, pole carryCheck price on Amazon →

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TL;DR: Pyramid Mountain in Boonton, NJ is a 3.5-mile moderate loop with rocky terrain and a geological oddity — Tripod Rock, a glacial erratic balanced on three smaller stones. The rocky footing keeps things interesting without being dangerous. A local favorite for NJ hikers who want real terrain close to the suburbs.

What to Expect on the Trail

Pyramid Mountain Natural Historical Area sits in Morris County, about 40 minutes west of Manhattan. The main loop crosses rocky terrain through oak and hardwood forest to two geological highlights: Tripod Rock, a massive glacial boulder balanced improbably on three smaller stones, and Bear Rock, another oversized glacial deposit. The Rocky Trail section earns its name with sustained rocky footing that makes this feel like a mountain hike despite the modest elevation.

The trail network has multiple loop options. The standard Tripod Rock loop is about 3.5 miles with moderate elevation changes. The rocky sections demand attention but no scrambling. The footing is the main challenge — loose rocks and root tangles throughout keep you watching your step. On hot days, the exposed rock absorbs heat and makes paw pads and boot soles work harder.

How Hard Is This Trail, Really?

Moderate. The rocky terrain is real but never technical. No scrambling, no exposure, no sections that demand hands. The difficulty is sustained rocky footing for 3+ miles, which tires ankles faster than smooth trail. Hikers with trail experience call it easy. First-timers find the rocky sections more demanding than expected. Pyramid Mountain is a good stepping stone to harder NJ trails like Stairway to Heaven or Mount Tammany.

Before You Go

Pyramid Mountain Visitor Center is on Boonton Avenue in Montville Township. Free parking. Restrooms at the visitor center. Well-marked trails with color-blazed loops. Dogs are allowed on leash. The rocky footing can be tough on paw pads in summer heat. The drive from NYC is about 45 minutes. From northern NJ suburbs, 15-20 minutes.

Best Hiking Season

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Frequently Asked Questions

What is Tripod Rock at Pyramid Mountain?

Tripod Rock is a 160-ton glacial erratic balanced on three smaller boulders. Its alignment with the summer solstice sunset has led to speculation about whether the placement is natural or human-made.

Is Pyramid Mountain a good hike?

Yes. The 3.5-mile loop offers rocky ridgeline views, two unique glacial erratics (Tripod Rock and Bear Rock), and a mature forest setting. It is one of the best moderate hikes in north Jersey.

How far is Pyramid Mountain from NYC?

About 35 miles from midtown Manhattan, roughly 50 to 60 minutes via I-80 or Route 287. The preserve is in Montville Township, Morris County.

Is Pyramid Mountain free?

Yes. Parking and trail access are free. The visitor center is operated by Morris County Parks and has limited hours.

Plan Your Visit

Always check current conditions before heading out — trails close, roads wash out, and fees change.

Get Directions

Gear for this hike

Our day-hike checklist — the picks that show up again and again from tested gear roundups. As an Amazon Associate we earn from qualifying purchases.

LOWA Renegade EVO GTX MidGORE-TEX, 3 widths, resolableCheck price on Amazon →

Hydro Flask Wide Mouth 32ozinsulated, durableCheck price on Amazon →

Osprey Talon 22ventilated back, pole carryCheck price on Amazon →