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Hiking trails & Routes
United States
Massachusetts
Middlesex County

Egg Rock Trail

Easy

3.2

(23)

38

hikers

Egg Rock Trail

00:21

1.37km

0m

Hiking

Hike the easy 0.9-mile Egg Rock Trail in Concord, Massachusetts, to see the historic confluence of the Assabet and Sudbury rivers.

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

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233 m

Simon Willard Woods

Nature Reserve

B

1.37 km

End point

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Way Types & Surfaces

Way Types

1.37 km

Surfaces

821 m

540 m

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Elevation

Elevation

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Weather

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Today

Monday 25 May

22°C

11°C

60 %

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Max wind speed: 15.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

Where is the Egg Rock Trail located and how do I access it?

The Egg Rock Trail is located in Concord, Massachusetts, USA, within the Simon Willard Woods conservation land. You can typically access it from the Simon Willard Woods parking area. The trail leads to a small, oval-shaped island at the confluence of the Assabet and Sudbury rivers.

What is the difficulty and length of this trail?

This trail is generally considered easy. The full loop is approximately 3.1 km (1.9 miles) long. The terrain is accessible by foot, though the island can become surrounded by water during periods of high river levels.

Are dogs allowed on the Egg Rock Trail?

Yes, dogs are generally welcome on the trail. However, it's always best to keep them on a leash and ensure you clean up after them to preserve the natural environment for all visitors.

Do I need a permit or pay an entrance fee to hike here?

No, you do not need a permit or to pay an entrance fee to access the Egg Rock Trail within Simon Willard Woods. It is part of Concord's conservation land, freely accessible to the public.

What is the best time of year to visit the Egg Rock Trail?

The trail can be enjoyed year-round. Spring offers lush greenery and flowing rivers, while autumn provides beautiful fall foliage. Summer is pleasant for hiking, but be mindful of potential high river levels. Winter can offer a serene, snowy landscape, but always check conditions before heading out.

What kind of terrain can I expect on the trail?

The terrain is typically accessible by foot. It leads to a small island, and during periods of high river levels, the island can become surrounded by water, potentially affecting accessibility to the rock itself.

What makes Egg Rock historically significant?

Egg Rock holds rich historical and cultural significance. An inscription on the rock commemorates Concord's 250th birthday, and it was a favored spot for historical figures like Henry David Thoreau and Ralph Waldo Emerson, who drew inspiration from its natural beauty.

Is the Egg Rock Trail suitable for families with children?

Yes, given its easy difficulty and relatively short loop, the trail is generally suitable for families with children. It offers an engaging outdoor experience with historical elements and river views.

Does this trail connect with other paths?

Yes, the route along the Egg Rock Trail also passes through sections of other official trails, including the Blue, Red, and Yellow trails, offering options for extending your hike.

What should I bring for a hike on this trail?

For this easy trail, comfortable walking shoes, water, and appropriate clothing for the weather are usually sufficient. During periods of high water, waterproof footwear might be beneficial. Don't forget your camera to capture the scenic river confluence and historical rock.

Are there any viewpoints or scenic spots along the way?

The primary scenic spot is Egg Rock itself, located at the confluence of the Assabet and Sudbury rivers. This unique meeting point of the rivers provides picturesque views of the surrounding natural landscape and the historic rock.

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