Mount Monadnock via Marlboro and Dublin Trail
Mount Monadnock via Marlboro and Dublin Trail
3.4
(9)
28
hikers
03:41
10.5km
540m
Hiking
Embark on a moderate hike up Mount Monadnock via the Marlboro and Dublin Trail, covering 6.5 miles (10.5 km) with an elevation gain of 1785 feet (544 metres). As you ascend, the forest changes from hardwoods to spruce, and open ledges start to offer increasingly wide views. The Marlboro Trail…
Last updated: April 23, 2026
Waypoints
Way Types & Surfaces
Way Types
6.04 km
3.18 km
1.28 km
Surfaces
6.06 km
4.42 km
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Elevation
Highest point (910 m)
Lowest point (370 m)
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Weather
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Today
Thursday 28 May
21°C
12°C
53 %
Additional weather tips
Max wind speed: 23.0 km/h
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This route was planned by komoot.
The full route, combining the Marlboro and Dublin Trails, is approximately 10.5 km (6.5 miles) and typically takes around 3 hours and 41 minutes to complete. However, depending on your pace and stops, the round trip can range from 3 to 5 hours.
Both trails feature challenging terrain. You'll encounter a mix of packed earth, dirt, roots, and significant rock/ledge sections. Expect steep climbs and rock scrambling, especially on the Marlboro Trail, which has steep rock slabs requiring hands-on climbing. The Dublin Trail also becomes steeper and rockier after its initial well-graded path.
As you ascend, the forest transitions, and open ledges provide increasingly panoramic views. The Marlboro Trail offers expansive views into the valley earlier due to its exposed sections. The Dublin Trail's views are mostly obscured until you reach the area just below Jim's Junction. The treeless summit of Mount Monadnock provides stunning 360-degree views stretching into Vermont, Massachusetts, and Connecticut on a clear day, with Boston and the White Mountains visible.
No, this route is considered challenging and is not recommended for beginners. Both the Marlboro and Dublin Trails involve significant elevation gain over a relatively short distance, with steep sections and rock scrambling that require good physical fitness and some hiking experience.
No, dogs are not permitted on either the Marlboro or Dublin Trails, or anywhere within Monadnock State Park.
Yes, reservations are now required for day use, including hiking, at Mount Monadnock. It's essential to plan ahead and secure your reservation before visiting Monadnock State Park.
Parking for these trails is typically available at their respective trailheads. However, specific parking details and availability can vary, and reservations are required for day use at Mount Monadnock. The Dublin Trail is generally known for being a less crowded option compared to trails originating from the State Park headquarters, which might influence parking availability.
The best time to hike depends on your preferences. Spring and fall offer cooler temperatures and beautiful foliage, but can also bring unpredictable weather. Summer is popular but can be hot and crowded. Winter hiking is possible but requires specialized gear and experience due to ice and snow. Always check weather conditions before you go.
Yes, the route incorporates sections of several trails. You will hike along the Dublin Trail and the Marlboro Trail, which eventually merge near the summit. The route also briefly touches upon the Monadnock-Sunapee Greenway and the Marian Trail.
Monadnock State Park requires reservations for day use, including hiking. Dogs are not permitted on any trails. Hikers should stay on marked trails, pack out all trash, and be prepared for changing weather conditions. Always practice Leave No Trace principles to protect the natural environment.
The Dublin Trail is generally known for being a less crowded option compared to trails originating directly from the main Monadnock State Park headquarters. While still challenging, it can offer a slightly more serene experience during peak times.