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Hiking trails & Routes
Hampden County
Holyoke

T. Bagg, NET/MM and Keystone Trail Loop

Routes
Hiking trails & Routes
Hampden County
Holyoke

T. Bagg, NET/MM and Keystone Trail Loop

Hard

1

hikers

T. Bagg, NET/MM and Keystone Trail Loop

02:21

7.37km

220m

Hiking

The T. Bagg, NET/MM and Keystone Trail Loop is a difficult 4.6-mile (7.4 km) hiking route in Mount Tom State Reservation. You will gain 721 feet (220 metres) in elevation over an estimated 2 hours and 20 minutes. This challenging loop combines diverse terrain for an engaging outdoor experience.

What…

Last updated: June 9, 2026

Tips

Includes segments that may be dangerous

Parts of this route comprise highly technical, difficult, or hazardous terrain. Specialist equipment and prior experience is required.

After 2.59 km for 47 m

After 3.92 km for 368 m

After 4.44 km for 703 m

After 5.50 km for 288 m

Waypoints

A

Start point

Parking

Get Directions

1

220 m

Bray Lake

Highlight • Lake

Bray Lake is a peaceful lake in the Mount Tom State Reservation. It is a popular spot with picnic tables and overlooks for you to enjoy. Although you will probably …

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2

3.27 km

Stone Crusher remains

Highlight • Historical Site

The historic Stone Crusher off Christopher Clark Road crushed basalt from the mountain's steep western cliffs. A raised truck's spinning wheels powered the crusher via connected belts. Workers shoveled loose …

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3

5.22 km

Goat Peak

Highlight • Summit

Although Goat Peak is certainly not the tallest mountain in the Mount Tom Range at just 822 feet, it is still a worthy stop in large part due to the …

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B

7.37 km

End point

Parking

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Way Types & Surfaces

Way Types

4.26 km

1.30 km

1.14 km

401 m

213 m

Surfaces

3.10 km

2.47 km

1.18 km

565 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (230 m)

Lowest point (50 m)

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Weather

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Today

Friday 17 July

29°C

14°C

0 %

Additional weather tips

Max wind speed: 6.0 km/h

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Frequently Asked Questions

Where can I park and access the trailhead for this loop?

The Mount Tom State Reservation has several parking areas. For a loop incorporating the T. Bagg, NET/M-M, and Keystone Trails, you would typically start from a parking area along Reservation Road. The T. Bagg Trail, for instance, starts directly from Reservation Road, providing an entry point to the interconnected trail system.

What is the difficulty level of this hike?

This loop is rated as difficult. It combines sections of the T. Bagg Trail (intermediate), the New England National Scenic Trail (NET)/Metacomet-Monadnock Trail (M-M) which is moderate to strenuous with significant elevation changes and rugged terrain, and the easier Keystone Trail. Hikers should be prepared for steep climbs, rocky sections, and considerable elevation gains and losses.

Is this a single, officially marked loop trail?

No, the "T. Bagg, NET/MM and Keystone Trail Loop" is not a single officially named or marked trail. Instead, it's a combined hiking experience that utilizes interconnected trails within the Mount Tom State Reservation. These trails, including the T. Bagg Trail, sections of the NET/M-M Trail, and the Keystone Trail, are well-documented and allow hikers to create their own loops.

What kind of terrain can I expect on this route?

You can expect diverse terrain. The T. Bagg Trail ascends over a rocky spine. The NET/M-M Trail section rides the skyline along steep west-facing basalt cliffs, offering rugged paths and significant elevation changes. The Keystone Trail, in contrast, features short climbs over loose rock and winds through wooded areas. During winter, sections of the NET/M-M can become icy and muddy.

What are the main points of interest along the way?

This route offers several notable points of interest. You'll pass by Bray Lake, the Stone Crusher remains, and the Goat Peak observation tower, which provides panoramic views of the Connecticut River Valley. Along the NET, you can also find Dry Knoll with views of the Oxbow, and the ruins of the Eyrie House, a 19th-century mountaintop hotel, accessible via a short side hike.

When is the best time of year to hike this loop?

Spring and fall are generally excellent for hiking this loop, offering pleasant temperatures and vibrant foliage. Mid-September is particularly special for hawk migration viewing at Mount Tom State Reservation. Winter hiking is possible but requires appropriate gear like ice spikes due to potentially icy and muddy conditions on the NET/M-M sections.

Are dogs allowed on this trail?

Yes, dogs are generally allowed on trails within the Mount Tom State Reservation. However, they must be kept on a leash at all times. Please remember to clean up after your pet to help keep the trails enjoyable for everyone.

Are there any permits or entrance fees required for this hike?

As of current information, there are no specific permits required for hiking these trails. However, the Mount Tom State Reservation, where this loop is located, may have parking fees or other regulations. It's always best to check the official Massachusetts DCR website (mass.gov) for the most up-to-date information on park fees and regulations before your visit.

Is there access to water along the route?

Yes, there is a spring-fed water fountain located at the historic CCC-built Visitor Center within the Mount Tom State Reservation, which is accessible from the NET. However, it's always recommended to carry sufficient water for your entire hike, especially on a difficult route like this.

What gear should I bring, especially in winter?

For this difficult hike, sturdy hiking boots with good ankle support are essential. Bring plenty of water, snacks, a map, and navigation tools. If hiking during winter months, ice spikes are highly recommended for sections of the NET/M-M Trail due to potential ice and mud. Layered clothing is advisable year-round due to elevation changes and exposure.

Does the trail intersect other well-known paths?

Yes, this route extensively uses sections of other well-known paths. Approximately 46% of the route follows the Metacomet - Monadnock Trail and the New England National Scenic Trail. Additionally, about 29% is on the NET/M&M Trail (white), 28% on the T. Bagg Trail, and 23% on the Kay Bee Trail.

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