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Routes
Hiking trails & Routes
United States
Maine
Cumberland County
Westbrook

Mill Brook Preserve South Trail

Easy

4.6

(7471)

10,508

hikers

Mill Brook Preserve South Trail

00:30

1.89km

10m

Hiking

The Mill Brook Preserve South Trail offers a refreshing, easy 1.2-mile (1.9 km) loop through a surprisingly diverse natural landscape in Westbrook, Maine. You'll wander through mature forests with old-growth oaks and maples, traverse floodplain wetlands on boardwalks, and follow a spur trail right to the tranquil Mill Brook itself.…

Last updated: June 9, 2026

Waypoints

A

Start point

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1.48 km

Mill Brook Preserve South

Nature Reserve

B

1.89 km

End point

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Way Types & Surfaces

Way Types

1.89 km

Surfaces

1.88 km

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Elevation

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Weather

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Today

Tuesday 21 July

24°C

14°C

78 %

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Max wind speed: 17.0 km/h

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Frequently Asked Questions

Where can I park for the Mill Brook Preserve South Trail?

Parking is available at the trailhead. The area is shared with apartment residents, so please be mindful of local parking regulations and respect the shared space.

Is the Mill Brook Preserve South Trail dog-friendly?

Yes, dogs are welcome on the trail! However, they must be kept on a leash, especially at the trailhead, as it's a shared space with local residents.

What is the best time of year to hike this trail?

The trail is enjoyable year-round. Spring, particularly late May and early June, offers the unique spectacle of the alewife fish migration. It's also suitable for snowshoeing and cross-country skiing in winter.

Are there any entrance fees or permits required for the Mill Brook Preserve South Trail?

No, there are no entrance fees or permits required to access the Mill Brook Preserve South Trail. It's free and open to the public.

Is the trail suitable for beginners or families with children?

Absolutely! This trail is rated as easy to moderate and is considered suitable for all ages. Its 'lollipop' loop design makes it less strenuous than some other trails in the area, perfect for a family outing.

What is the terrain like on the trail?

The terrain primarily features a dirt or forest floor surface. You'll walk through forested uplands and wetlands, with some sections possibly including boardwalks or bog bridging. Expect to see majestic old-growth oaks and maples.

How long does it typically take to complete the hike?

The Mill Brook Preserve South Trail is approximately 1.9 kilometers (1.2 miles) long. Most hikers can complete it in about 30 minutes, depending on their pace and how often they stop to enjoy the scenery.

Is the Mill Brook Preserve South Trail a loop?

Yes, it is a 'lollipop' loop trail. This means there's an initial short path that leads to the main loop, bringing you back to where you started.

What unique natural features or wildlife can I expect to see?

The preserve is famous for the annual alewife fish migration from Casco Bay to Highland Lake, typically in late May and early June. You'll also encounter old-growth oaks and maples, and a spur trail leads to the serene Mill Brook. Keep an eye out for horses at a nearby farm near the start of the walk.

Does the trail connect with other paths?

Yes, a small portion of this route overlaps with the Sebago to the Sea Trail.

Can I use the trail for activities other than hiking?

Yes, in addition to hiking, the trail is also suitable for running, snowshoeing, and cross-country skiing, making it a versatile outdoor destination.

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