Drive down Glen Avenue in Millburn this July and the Locust Grove lot, the one that sits practically on top of the train station and empties straight onto the Rahway River loop, was gone behind construction fencing. Essex County Parks posted it plainly on the South Mountain Reservation page: the Locust Grove parking lot and the Fairy Trail closed starting July 6, 2026, and the posted window ran through the end of the month. For a stretch of high summer, the one loop that half of Short Hills treats as a default evening walk simply wasn't there.
That's a county maintenance notice, not news on its own. What it exposed is the actual claim worth making: Short Hills has far fewer free, walk-from-your-house nature loops than the town's reputation suggests. Losing one trailhead for a few weeks didn't just inconvenience dog walkers. It pushed people toward a genuinely small list of alternatives, and each one comes with its own real limitation. That's the part worth understanding before the next closure, construction delay, or crowded Saturday sends you looking for a plan B.
The trailhead everyone used without thinking about it
The Locust Grove entrance earned its default status honestly. It sits close enough to the Millburn train station that commuters use it as a warm-up walk before the platform, and the lot fills fast enough on weekend mornings that latecomers park across the street out of habit. The loop out of Locust Grove connects to the Rahway Trail, where small handmade fairy houses built from natural materials appear along the path, a detail that turns a plain river walk into something families specifically seek out with kids in tow.
None of that required a ticket, a reservation, or a drive to another town. It was the closest thing Short Hills had to a walk that asked nothing of you. That's precisely what made the July closure land differently than a typical trail advisory would.
What the county actually closed, and for how long
The scope matters here, because it's easy to assume the entire reservation shut down. It didn't. Essex County's notice named two specific things: the Locust Grove parking lot and the Fairy Trail section itself, both closed starting July 6 through the stated end date of July. The rest of South Mountain Reservation's roughly 2,110 acres, spanning sections of Millburn, Maplewood, and West Orange, stayed open on its normal schedule.
That's a meaningful distinction if you're planning around it. The reservation's other access points, including the Tulip Springs Road parking area that reaches Hemlock Falls and the wider Lenape Trail network, were never part of the closure. But knowing that requires checking the county page directly, since the closure notice sits on a maintenance update rather than anywhere a typical "things to do" list would mention it. Construction timelines also shift. If you're building a weekend around Locust Grove specifically, the smart move is to check Essex County's South Mountain Reservation page for the current status before you go, rather than assume the posted July window held exactly as written.
Where the walk actually went
With the default loop off the table, the choices left standing were narrower than most residents probably expected. Here's what was actually available, and what each one costs you in exchange:
| Option | Cost | Days and hours | The catch |
|---|---|---|---|
| Cora Hartshorn Arboretum & Bird Sanctuary | Free | Open daily, dawn to dusk, year-round | No on-site parking lot. Millburn Township ordinance bars parking on the side of Forest Drive South opposite the arboretum entirely, and the site itself asks visitors to loop around via Lupine Way to avoid three no-parking zones near the building. |
| Greenwood Gardens | $15 adults, $10 seniors and students, $5 children 3 to 12, free for members and children under 3 | Friday, Saturday, and Sunday only, 10 a.m. to 5 p.m., last entry 3:30 p.m., running May 1 through November 8 for the 2026 season | Closed four days a week. If your free time falls on a Tuesday evening, this option simply doesn't exist for you that week. |
| South Mountain Reservation via Tulip Springs Road | Free | Dawn to dusk, unaffected by the Locust Grove closure | It's a drive, not a walk. Most Short Hills streets don't put you within an easy stroll of this trailhead the way they do Locust Grove. |
Each of these is a legitimate place to spend an hour outside. None of them replaces what Locust Grove offered, which was proximity plus zero friction. Cora Hartshorn's 16.45 acres and roughly 3 miles of trails, including a kettle moraine and a natural amphitheater carved by glaciers, make for a genuinely good short walk, and the Cora Hartshorn Arboretum's own site is worth checking before you go simply because the street parking rules aren't optional suggestions. Greenwood Gardens' 28 acres of terraced gardens and fountains are worth the ticket price if your schedule lines up with its weekend-only hours, and the Greenwood Gardens season page lists the full 2026 calendar along with programs like guided birding walks and evening picnics under the sycamores.
The gap the closure actually exposed
Here's the part that outlasts July. Short Hills reads, from the outside, like a town with nature built into every corner: an arboretum, a historic garden, a piece of a 2,110-acre county reservation all within a few minutes of each other. That's true on a map. It's less true as a practical matter, because two of those three options come with real constraints that only surface once you try to use them on short notice. Cora Hartshorn has no parking lot at all, a fact that pushes visitors onto residential streets under a specific township ordinance. Greenwood Gardens operates on a three-day week, half the year at most.
The free, walk-from-your-door option was Locust Grove. It was the one place that asked nothing of you: no ticket, no schedule check, no street-parking calculation. Take that away for a month, even temporarily, and the town's actual walking inventory turns out to be smaller and more conditional than the postcard version suggests. That's worth knowing whether you're a longtime resident planning a Tuesday evening walk or someone weighing what daily life actually looks like in a town like this one.
Where the post-walk stop moved
The other change worth knowing about is smaller but touches the same daily routine. The Mall at Short Hills has added two food options in the past year that fit a walk-first, eat-after pattern better than the mall's older sit-down anchors. Eataly opened its first New Jersey location there in November 2025, a 17,000-square-foot space with quick-serve counters, a market stocked with imported Italian goods, and a 230-seat restaurant and bar called Eataly Ristorante, according to New Jersey Monthly's coverage of the opening. More recently, Pura Vida Miami opened at the mall in April 2026, bringing a menu built around avocado toast, açaí bowls, and cold-pressed juices, marking the Miami-based chain's first Garden State location according to NJ 101.5's report.
Neither replaces a sit-down dinner reservation, but both fit the after-walk window better than most of the mall's existing options did a year ago. If Locust Grove reopens on schedule and you're back to the old loop by late summer, a stop at either counter on the way out gives the walk a natural second half.
The practical takeaway
If you live in Short Hills and treat walking as part of your week, the July closure is a small reminder to keep more than one loop in rotation. Cora Hartshorn and the Tulip Springs side of South Mountain cost nothing and stay open regardless of what's happening at Locust Grove. Greenwood Gardens is worth the ticket on a weekend when the schedule allows. And before you build a plan around Locust Grove specifically, a quick check of the county's posted status saves you the drive.
Questions about what makes a specific Short Hills block or street work for daily life like this, whether you're already here or thinking about a move into town, are the kind of local detail Vinita Shukla spends her time on. You can find more on the town, its schools, and its housing stock on the Short Hills neighborhood guide, or reach out directly to schedule a free consultation.