Diamond Mountain and Pine Meadow Lake Loop
Diamond Mountain and Pine Meadow Lake Loop
4.8
(9606)
13,268
hikers
03:42
13.1km
280m
Hiking
Embark on the Diamond Mountain and Pine Meadow Lake Loop, a moderate hike spanning 8.1 miles (13.1 km) with an elevation gain of 933 feet (284 metres). You can expect to complete this journey in about 3 hours and 41 minutes. As you hike, you will experience a diverse landscape,…
Last updated: April 23, 2026
Waypoints
Start point
Parking
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2.87 km
Highlight • Waterfall
Tip by
3.52 km
Ruins
Ruins
4.75 km
Highlight • Lake
13.1 km
End point
Way Types & Surfaces
Way Types
12.0 km
1.07 km
Surfaces
10.5 km
2.56 km
< 100 m
< 100 m
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Elevation
Highest point (360 m)
Lowest point (140 m)
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Weather
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Friday 10 July
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This route was planned by komoot.
The terrain on this loop is quite varied, offering a dynamic hiking experience. You'll traverse wooded sections, open rock slabs, and rocky stretches. Expect significant elevation changes with steep climbs and descents, and some sections even involve rock scrambles, particularly on the western side of Diamond Mountain. The route often follows the scenic Stony Brook, featuring streams and occasional waterfalls.
Yes, the loop includes some challenging sections. Hikers should be prepared for two steep climbs and one steep descent. The western side of Diamond Mountain, in particular, features rock scrambles that many find to be a fun, albeit demanding, part of the hike. Good fitness and sure-footedness are recommended for these parts.
The loop offers a variety of scenic points. Highlights include expansive vistas of Pine Meadow Lake, Lake Sebago, and Lake Wanoksink. You'll pass a beautiful waterfall and the picturesque Pine Meadow Lake Fire Ring. The trail also features glimpses of historical elements, such as ruins of an unfinished dam and other structures, and sometimes the remains of a Civilian Conservation Corps (CCC) headquarters.
Specific parking information for this loop often points to trailheads within Harriman State Park. It's advisable to check the park's official website or local hiking guides for the most current and precise parking locations, as options can vary and fill up quickly, especially on weekends.
Generally, there are no specific permits required to hike the Diamond Mountain and Pine Meadow Lake Loop itself. However, as it's located within Harriman State Park, standard park entrance fees or parking fees may apply depending on the specific access point and time of year. Always check the official Harriman State Park website for the most up-to-date information on fees and regulations.
The Diamond Mountain and Pine Meadow Lake Loop can be enjoyed in various seasons. Spring brings wildflowers and flowing streams, while autumn offers vibrant fall foliage. Summer is popular, but can be crowded, especially around Pine Meadow Lake. For a quieter experience and pleasant temperatures, late spring and early fall are often ideal.
Yes, winter hiking is possible on the Diamond Mountain and Pine Meadow Lake Loop, offering a different kind of beauty. However, conditions can be challenging with snow and ice, especially on rocky sections and steep climbs/descents. Proper winter hiking gear, including microspikes or snowshoes, is highly recommended for safety.
Yes, dogs are generally allowed on the Diamond Mountain and Pine Meadow Lake Loop. However, they must be kept on a leash at all times, as per Harriman State Park regulations. Be mindful of the rocky terrain and potential scrambles, which might be challenging for some dogs.
While the trail is considered moderate to moderately strenuous, some sections with steep climbs, descents, and rock scrambles might be challenging for younger children or those new to hiking. Families with older, experienced children who are comfortable with varied terrain and longer distances might enjoy it. Always assess your family's fitness level before attempting the full loop.
Yes, the route for the Diamond Mountain and Pine Meadow Lake Loop utilizes sections of several other official trails. You'll find yourself on parts of the Pine Meadow Trail, Raccoon Brook Hills Trail, Kakiat Trail, Reeves Brook Trail, and the 7 Hills Trail as you complete the loop.
When hiking in Harriman State Park, it's important to follow Leave No Trace principles, pack out all trash, and stay on marked trails. Dogs must be leashed. Camping is generally restricted to designated areas, and fires are only permitted in established fire rings. Always check the official park website for the most current regulations before your visit.
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