A Wealthy Couple Built A 1,000-Acre New Jersey Estate That Later Belonged To A King

Well, this property certainly didn’t have an ordinary ownership history.

What began as an enormous country estate created by a wealthy couple eventually passed into royal hands, giving this corner of New Jersey a backstory involving money, society, sprawling acreage, and an actual king.

The original estate encompassed roughly 1,000 acres, creating the sort of private retreat that belonged to another era.

Its story didn’t end when those early owners were gone. The property later became associated with King Hassan II of Morocco, adding another remarkable chapter before eventually entering its modern life.

Today, the landscape is far removed from the private world in which it began, yet pieces of that grand history remain woven through the property.

Mansions are impressive enough. Mansions with royal chapters? Now we’re getting somewhere.

A Name Spelled Backward

Here is a little puzzle I love sharing with friends. Read the word Natirar backward and you get Raritan, the name of the river that winds right through the property.

The couple who built the estate chose the name as a nod to that water.

The North Branch of the Raritan River runs for roughly two miles across the land. It is the quiet thread that ties the whole place together, from the woods to the open fields.

Stand near the banks for a minute and the sound of moving water does most of the talking.

Knowing the name trick changes how the walk feels. Suddenly the river is not just scenery, it is the reason the place has an identity at all.

Kids especially get a kick out of spelling it out loud.

So start your visit near the river if you can. Watch the light on the water, listen for birds, and let the name sink in.

It is a small detail, yet it sets the tone for everything else you will discover on the grounds.

The Couple Who Dreamed Big

Back in 1905, a merchant and insurance executive and his wife, an heiress with a generous spirit, began buying land in these hills. They did not stop at a farm or two.

Piece by piece, the estate grew to about 1,000 acres.

That land now stretches across parts of Bedminster, Peapack-Gladstone, and Far Hills. Honestly, it is hard to picture one household owning so much countryside.

Yet here it is, still mostly open and green.

What strikes me most is the patience behind it. Building an estate this size took years of steady planning, and the result still shapes the view today.

The fields you cross on the trails are part of that original vision.

Their story is not only about wealth, though. The wife cared deeply about helping others, and that kindness became part of the estate’s purpose, as you will see a bit later.

It gives the place a warmer feel than many grand properties.

Keep that in mind as you roam. Every hill carries a trace of their ambition.

A Tudor Mansion on the Hill

Brick, limestone, and a slate roof. That is the recipe for the grand house finished in 1912, and it still looks stately from a distance.

The Tudor-style mansion has about 40 rooms and covers roughly 33,000 square feet. It was designed by the architects Guy Lowell and Henry Hardenbergh, two big names of their day.

Inside, oak paneling and detailed molded plaster ceilings show off serious craftsmanship.

Quick tip before you plan a peek. Regular park visitors cannot drive up to the mansion unless they are attending an event or have an invitation.

The surrounding parkland, however, is open to everyone.

Even from the trails, the building makes an impression. It sits high, watching over the valley like it has for more than a century.

I like spotting its rooftop through the trees and imagining the early days when carriages rolled up the drive.

Bring binoculars if you enjoy architecture. The lines of the roof and chimneys are worth a closer look, and the view pairs nicely with the wide countryside below.

Kindness Built Into the Land

Not every mansion story comes with a big heart, but this one does. In 1908, the lady of the estate opened a convalescent retreat for women who needed rest and recovery, free of charge.

She had faced health struggles herself, and she knew how much quiet healing time mattered.

The retreat first ran out of Maple Cottage, one of the farmhouses on the grounds. After her death, and following her wishes, it moved into the main mansion in 1949.

There it kept serving women for several more decades.

That detail changed how I see the whole property. The big house was not only a showpiece.

For many years, it was a calm place where people got better.

You can still sense that restful spirit on the grounds today. Long views, soft breezes, and benches along the paths invite you to slow down.

It feels like the land remembers its old job.

So take a seat for a while. Rest here has a long history, and you are simply continuing the tradition.

When a King Came Calling

Now for the twist that made me grin. The husband’s will said the estate should be sold 50 years after his death, and in 1983 it went on the market.

The buyer was King Hassan II of Morocco.

His sons were attending Princeton University at the time, which helps explain the interest. Still, the king reportedly visited only a handful of times.

He is said to have never even spent a night in the mansion.

Imagine owning a huge New Jersey hilltop estate and barely using it. It sounds almost like a movie plot, yet it is part of the real record.

After the king passed away in 1999, ownership went to his son, King Mohammed VI. The property stayed in royal hands until 2003.

That is two decades of a quiet countryside estate belonging to a faraway monarchy.

Next time you are strolling past the fields, try telling a friend that a king once owned the ground under your feet. Their reaction is half the fun.

Handed Back to the Public

Good news arrived in 2003. Somerset County purchased 491 acres of the estate to protect it as open space, keeping those rolling hills safe from heavy development.

Today the county park covers about 404 acres. It is open daily from early morning into the evening, so sunrise walkers and after-work strollers both get their turn.

That kind of access to former royal land feels like a real gift.

The park mixes woods, lawns, meadows, and river frontage. You can wander without a plan and still find something lovely around each bend.

Some sections are shaded, while others open up under big skies.

What I appreciate most is how natural it all feels. The county kept the character of the countryside instead of turning it into something flashy.

Wildflowers and tall grasses get to do their own thing.

If you have a free morning, this is where to spend it. Pack water, wear sturdy shoes, and give yourself time.

A place saved for everyone deserves an unhurried visit.

Loops, Gravel, and Big Views

Lace up and pick a loop. The trail system includes several connected loops, ranging from short strolls to longer outings of a few miles if you link them together.

Many paths are flat and covered in packed gravel, which makes for easy walking. Some are paved, and certain routes work for wheelchairs.

A few sections climb hills, so there is a little challenge for anyone who wants it.

Leashed dogs are welcome, and you will see plenty of happy pups. Trash cans are placed along the way, which keeps things tidy.

Benches pop up too, perfect for catching your breath.

One practical note. After heavy rain, parts of the trails can get muddy, so waterproof shoes are smart.

Sharp gravel on some routes also makes sturdy soles a good idea.

Autumn is a showstopper here, with the hills turning shades of orange and gold. Spring brings fresh green and wildflowers.

Honestly, any season works, as long as you bring curiosity and comfy socks.

Old Barns With Long Memories

Tucked around the grounds are farm buildings older than the mansion itself. Some date from the mid-1700s to the mid-1800s, long before the estate took shape.

They remind you that this land was working farmland first. Families raised crops and animals here, and their buildings still stand as quiet proof.

I find that humbling in the best way.

Not every structure is open to the public. Even so, spotting them from the paths adds a rich layer to the walk.

Weathered wood and old stone have a charm new buildings rarely match.

Photographers love these spots. The rustic textures look great against open fields and soft evening light.

Many couples even choose the park as a backdrop for engagement photos.

Here is a fun idea for families. Challenge kids to count the old buildings they can see along the way, and talk about what life might have looked like back then.

It turns a simple hike into a small history lesson without anyone noticing.

Food From the Farm Next Door

Hungry after all that walking? Part of the estate is home to Ninety Acres, a restaurant and cooking school known for its farm-to-table approach.

Much of the produce comes from the estate’s own farm. That means vegetables travel a very short distance from soil to plate.

The menu changes with the seasons, so each visit can taste a little different.

The restaurant sits inside a renovated carriage house. Rustic beams and cozy touches blend with a polished modern feel.

It is the kind of room that makes you want to linger over dessert.

Next door, the cooking school offers classes for people who want to sharpen their kitchen skills. Learning to cook with fresh local ingredients in a historic setting is a pretty memorable way to spend an afternoon.

It also makes a thoughtful gift for a food-loving friend.

Reservations are a smart move, especially on weekends. Pair a morning hike with a leisurely meal and you have yourself a near-perfect day in the countryside.

New Chapters for an Old Estate

History here keeps moving forward. In 2017, the mansion’s Great Room and Ballroom reopened for receptions and events, and the house became a sought-after wedding venue with sweeping hillside views.

More recently, a full-service spa opened on the estate in the fall of 2024. It adds a calm, restorative option to the dining and event spaces.

Relaxation fits right in on land once devoted to healing.

What I admire is the balance. The original oak paneling and plaster ceilings were preserved while the spaces were updated for modern guests.

Old craftsmanship and new comforts share the same roof.

Meanwhile, the public park keeps serving walkers, runners, and families every day. The estate even hosts high school cross-country meets.

That mix of grand and everyday life gives Natirar a lively, welcoming spirit.

From a couple’s dream to a king’s property to a place everyone can enjoy, this corner of New Jersey has lived many lives. Plan your visit to Natirar at 2 Main St, Peapack, NJ 07977.