Hiking Gap Mountain Trail South - panoramic view  tree outdoor landscape nature mountain sky autumn plant cloud background lake painting forest surrounded distance
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Hiking in Gap Mountain Trail South: trails, map and practical info

Monadnock Region • New Hampshire

4.8 Appreciated by 21 hikers
François Dumaine
By François DumaineContributor since 2022Updated 21/05/2026
Difficulty
Moderate
Distance
3 km
Elevation
220 ft
Duration
1h25
Max altitude
442 ft

A moderate hike with 220 m elevation gain in New Hampshire's Monadnock Region, featuring panoramic views of Mount Monadnock from the summit. Allow 2 to 3 hours for this rewarding trail through diverse ecosystems and rocky terrain.

Recommended for :
Intermediate hikers

Ready to explore Gap Mountain Trail South? Here's everything you need to know before you go!

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Trail description

Description

Gap Mountain Trail South offers one of the most rewarding short hikes in New Hampshire's Monadnock Region, delivering impressive summit views for a relatively modest effort. This 2.4-mile round trip trail strikes an ideal balance between accessibility and adventure, making it a standout choice whether you're introducing kids to hiking or seeking a quick escape into nature without committing to an all-day expedition.

The trailhead sits off Bullard Road with convenient parking nearby, putting you just steps away from entering a world of mixed hardwood and coniferous forest. The initial stretch winds through dense woodland where the canopy filters sunlight into dappled patterns across the forest floor. You'll notice the terrain gradually transitioning from soft earth to increasingly rocky sections as you gain elevation toward the summit.

The Hiking Experience

What sets Gap Mountain Trail South apart from other moderate hikes in the region is how quickly the landscape opens up as you climb. The trail maintains a steady but manageable grade for most of the journey, though several sections become noticeably steeper as you approach the summit. These steeper pitches require sturdy footwear with good traction, especially when conditions are wet or during winter months when ice can form on the rocks.

The rocky terrain becomes more prominent in the upper sections, creating natural stepping stones and occasional scrambles that add just enough challenge to keep things interesting. These granite outcroppings hint at the spectacular views waiting at the summit, where the forest gives way to open ledges and panoramic vistas.

From the summit, hikers are treated to sweeping views of Mount Monadnock dominating the eastern horizon, along with the rolling hills and valleys that define this corner of New Hampshire. The elevated perspective reveals the intricate patchwork of forests, fields, and small communities that characterize the Monadnock Region, creating photo opportunities that capture both the intimate details of the landscape and its grand scope.

Wildlife and Natural Features

The diverse ecosystem along Gap Mountain Trail South supports an impressive variety of plant and animal life throughout the seasons. Spring brings an explosion of wildflowers carpeting the forest floor, including trilliums, wild violets, and various ferns unfurling in the warming weather. Summer months showcase the full green canopy while offering glimpses of butterflies and the occasional deer moving through the underbrush.

Birdwatchers will find plenty to observe along the trail, from common songbirds in the lower elevations to raptors that can sometimes be spotted soaring above the summit. The changing elevations and habitat types create opportunities to encounter different species as you progress up the mountain.

Autumn transforms Gap Mountain into a showcase of New England foliage, with maples, birches, and oaks creating a brilliant tapestry of reds, oranges, and golds. This seasonal display, combined with the clear autumn air, makes fall one of the most popular times to tackle this trail.

Seasonal Considerations

Each season brings distinct advantages and challenges to Gap Mountain Trail South. Winter hiking and snowshoeing open up entirely different perspectives on the landscape, as snow transforms the familiar forest into a serene wonderland. The bare trees reveal views that remain hidden during leafy months, and the summit takes on an almost alpine character under snow cover.

Winter conditions do require additional preparation and appropriate gear. The rocky sections that provide good footing in summer can become treacherous when icy, and the shorter daylight hours demand earlier starts. However, experienced winter hikers often find this season offers the most solitude and some of the most dramatic photographic opportunities.

Spring hiking means dealing with mud season and potentially challenging trail conditions, but also rewards hikers with rushing streams, emerging wildflowers, and the energy of a landscape coming back to life. Summer provides the most predictable conditions and longest daylight hours, though it also brings the heaviest trail traffic.

Planning Your Visit

The moderate difficulty rating reflects the trail's steep sections and rocky terrain rather than its length. Most hikers complete the round trip in 2 to 3 hours, including time to enjoy the summit views and perhaps have a snack while taking in the scenery. This timing makes Gap Mountain Trail South perfect for a morning or afternoon adventure that leaves plenty of time for other activities.

Weather conditions can change quickly in the mountains, so checking the forecast before heading out is essential. Dressing in layers allows you to adjust as you warm up during the climb and cool down at the exposed summit. Even on warm days, the summit can be significantly cooler and windier than the trailhead.

Bringing adequate water and snacks is important, especially during warmer months or if you plan to spend extended time at the summit. The rocky terrain and steady climbing can be more demanding than the relatively short distance might suggest.

The Leave No Trace principles are particularly important on popular trails like Gap Mountain Trail South. Carrying out all trash, staying on designated trails, and respecting wildlife viewing distances help preserve the natural experience for future visitors. The trail's proximity to populated areas and its accessibility make it especially vulnerable to overuse impacts, so every hiker's commitment to responsible practices makes a difference.

Gap Mountain Trail South represents the best of New Hampshire hiking: accessible enough for families and newer hikers, challenging enough to feel like a real mountain experience, and rewarding enough to bring people back season after season.

Ready to go?

Everything you need to know before you go

Where?

Address
265 Upper Gap Mountain Rd, Troy, NH 03465, USA
GPS coordinates
42.8155113, -72.1503912
Phone
Not available

Starting Point

The gap mountain trail south is located in the White Mountain National Forest in New Hampshire. To get to the start of the trails, take Route 302 to Crawford Notch and turn onto the Zealand Road. The trailhead is located at the end of the road.

When?

Opening hours
From sunrise to sunset
Varies by season
Best season
Fall
Spectacular colors
Best time
Early morning
Less crowded
Weather (next days)
Loading

How much?

Entry fees
Adult
Not available
Child
What to bring?
Gear
  • Hiking shoes Essential
  • Layered clothing Essential
  • Rain jacket Essential
  • Trekking poles
  • Headlamp
Download the PDF checklist
Water & food
2L minimum
No water point on the trail
Bring energy snacks for a 4h+ hike
Good to know
Park rules
No dogs
Safety
Download the GPX before you go
Limited cellular coverage on the trail
Slippery after rain
Be careful on rocky sections
In an emergency
Emergency
911
Parking GPS
42.8155113, -72.1503912
Center
Not available

Hikers' opinions

4.8
1 Reviews
A
Anonymous
Jan 15, 2024
Great trail for a moderate workout with 220m of elevation gain. The 2-3 hour hike through the White Mountain National Forest offers beautiful views despite the lack of marked distance. Access requires payment and the Zealand Road approach is straightforward. Note that dogs aren't allowed and parking isn't free, so plan accordingly.

FAQ - Frequently asked questions

Everything you need to know
Moderate
220.00
442.00
1h25
No
No
The Gap Mountain Trail South typically takes 2 to 3 hours to complete. The actual time may vary depending on your hiking pace and trail conditions.
The Gap Mountain Trail South has an elevation gain of 220 m. This moderate elevation change makes it accessible to hikers with basic fitness levels.
No, dogs are not allowed on the Gap Mountain Trail South. Please respect this policy to protect local wildlife and maintain trail conditions.
The Gap Mountain Trail South is open from sunrise to sunset. Plan your hike accordingly to ensure you complete the trail before dark.
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Update : June 2026