New Jersey is a densely populated and developed state, but that doesn’t mean it doesn’t still have some surprises waiting for explorers. You’ll find one of them in Hillsborough Township, where you can have a great time on this underrated day trip in New Jersey. First, you’ll start with a hike on Roaring Rocks Trail – a 3.6-mile loop trail in the heart of Sourland Mountain Preserve. There, you’ll encounter some of the state’s most beautiful landscapes without the crowds of some of the most popular state parks. When you’re done hiking, you’re only about a mile away from the Hillsborough Star Diner – a charming, old-school eatery on the outskirts of the mountain catering to weary travelers looking for some hearty food. It’s the perfect way to spend a day in New Jersey if you love nature and good food.

Sourland Mountain Preserve is full of trails, but the Roaring Rocks Trail is one many people may not have heard of.
Carol Liang/AllTrails
This 3.6-mile trail connects with the Devil's Half-Acre and Tributary Trail, and is open year-round.
Rotisseriecelery/AllTrails
Considered a moderately challenging route, it features easy terrain but has an elevation gain of 587 feet - so bring your hiking boots.
Frank Bords/AllTrails
Along the way, you'll encounter some beautiful bodies of water and peaceful trails filled with flora. Dogs are welcome, but must be on a leash.
Luis Arturo Roman/AllTrails

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The trail is even more peaceful at night, but you might be ready to get on to your next destination - because you're hungry!
Craig Goldstein/AllTrails
The Hillsborough Star Diner is an old-school institution located just over a mile outside of the preserve.
Akanksha Bhatt/Google Local
The diner still looks like a classic one, preserved with much of its original decor and unique memorabilia.
Akanksha Bhatt/Google Local
If you stop by here before your trek, you'll find some of the best omelets in the entire state offered for breakfast.
Prajakatta Mulay/Google Local
But if you come here after your hike, the Hillsborough Star Diner will appease your hunger with delicious, over-the-top burgers and rich dinner specialties.
A Marshal/Google Local

Have you taken this underrated day trip in New Jersey before? Let us know about your experiences on the Roaring Rocks Trail in Sourland Mountain Preserve, or tell us what you ate at the Hillsborough Star Diner in the comments section! You can find out about the latest offerings at the diner by visiting the official Facebook page. If you’re looking for a more laid-back day trip the kids will love, why not head to Red Bank to explore this arcade and chocolate shop?

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Featured Addresses
Sourland Mountain Preserve, 421 E Mountain Rd, Hillsborough Township, NJ 08844, USA
Hillsborough Star Diner, 842 US-206, Hillsborough Township, NJ 08844, USA