3.0
(4)
70
hikers
01:05
4.04km
50m
Hiking
Embark on the Weir Hill Yellow Loop, an easy hiking route that guides you through diverse landscapes. You will wander through peaceful oak-hickory forests and along the shimmering shores of Lake Cochichewick. This 2.5-mile (4.0 km) loop involves a gentle elevation gain of 167 feet (51 metres) and takes approximately…
Last updated: April 23, 2026
Waypoints
Way Types & Surfaces
Way Types
4.03 km
< 100 m
Surfaces
3.76 km
276 m
< 100 m
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Elevation
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This route was planned by komoot.
The Weir Hill Yellow Loop is approximately 4 kilometers (2.5 miles) long and generally takes about 1 hour and 5 minutes to complete. This duration can vary based on your pace and how often you stop to enjoy the scenery.
The trail offers varied terrain, navigating a 'double-drumlin' which means you'll experience ascents and descents. Expect root-covered segments through oak-hickory forests, especially at higher elevations. Portions descend to Lake Cochichewick with recently added boardwalks, and you'll also encounter a stone railroad tunnel and the Stevens Pond causeway. The path transitions through wet meadows and rare barrens habitat along the lake's edge.
The Weir Hill Yellow Loop provides a 'grand tour along Lake Cochichewick' with 'wide-open views of the lake at several points'. From higher points like Half Mile Hill, you can enjoy 'spectacular views' and 'wide views across the Merrimack Valley', potentially seeing Mount Wachusett and Mount Monadnock in the distance. The trail also showcases diverse flora, including mature beech trees and large border oaks, and vibrant fall foliage is a particular highlight.
Yes, the Weir Hill Yellow Loop is considered 'family-friendly'. While it's rated as moderate due to uphill climbs from the 'double-drumlin' topography, there are also flat sections, particularly along the lake. It's a great option for those looking for an engaging yet manageable hike.
Parking is available at the Weir Hill Reservation. The main trailhead is typically well-marked from the parking area, providing direct access to the Yellow Loop and other trails within the reservation.
Yes, leashed dogs are welcome on the Weir Hill Yellow Loop trail. Please ensure your dog remains on a leash at all times and that you clean up after them to help maintain the natural beauty of the reservation for all visitors.
The Weir Hill Yellow Loop is beautiful year-round. However, it is particularly stunning during the fall when the foliage displays vibrant colors. Spring offers fresh greenery and blooming plants, while summer provides lush landscapes. Even in winter, with proper gear, the snow-covered scenery can be quite picturesque.
Weir Hill Reservation is managed by The Trustees of Reservations. While there are no specific permits required for hiking, non-members may be subject to a parking fee. It's advisable to check The Trustees' official website for the most current information on fees and regulations before your visit.
The trail is home to a diverse array of flora and fauna. You might spot over 40 butterfly species, and plants like yellow false indigo, mature beech trees, and large border oak trees. Conservation efforts maintain meadows to support local wildlife, offering a chance to observe various species in their natural habitat.
Yes, the trail features several points of interest. You'll encounter fragments of a former country club's stone foundation and old farm walls, adding a historical touch. A distinctive stone railroad tunnel is also a notable landmark, along with the Stevens Pond causeway and recently added boardwalks along Lake Cochichewick.
Yes, the Weir Hill Yellow Loop is part of an extensive trail system within Weir Hill Reservation. While hiking the Yellow Loop, you will also traverse sections of the Unmarked Trail, the Blue Trail, the Red Trail, and the Weir Hill Trail, offering opportunities to explore further if you wish.