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Routes
Hiking trails & Routes
Knox County

Clark Island Preserve loop

Routes
Hiking trails & Routes
Knox County

Clark Island Preserve loop

Easy

5.0

(1)

8

hikers

Clark Island Preserve loop

01:12

4.66km

20m

Hiking

Hike the easy 2.9-mile Clark Island Preserve loop in Maine, featuring coastal views, a saltwater quarry, and sandy beaches.

Last updated: February 26, 2026

Waypoints

A

Start point

Get Directions

1

4 m

Clark Island Preserve Trailhead

Highlight • Trail

You can park on 3rd Street and walk across the bridge to the preserve. The trails have forested mossy paths, old wharf foundations, and a swimming spot tucked away within an old water-filled quarry-turned-lagoon.

Tip by

2

899 m

The eastern loop of the preserve is forested and has lovely soft moss carpets along the trail. The eastern loop has much more access to the rocks along the shore.

Tip by

3

3.07 km

Quarry lagoon

Highlight • Lake

Bring a swimsuit to enjoy this lagoon just off the main trail! There are rocks that form stairs and jumping platforms into the water. The whole lagoon is sheltered by trees and is the site of an old quarry since filled with water.

Tip by

B

4.66 km

End point

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Way Types & Surfaces

Way Types

2.82 km

1.85 km

Surfaces

2.82 km

1.85 km

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Elevation

Elevation

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Thursday 7 May

12°C

8°C

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This route was planned by komoot.

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Frequently Asked Questions

Where is the trailhead for the Clark Island Preserve loop and where can I park?

The main trailhead for the Clark Island Preserve loop is conveniently located near the Craignair Inn and The Causeway restaurant in Saint George, Maine. Parking is typically available in designated areas close to the preserve entrance.

Is the Clark Island Preserve loop dog-friendly?

Yes, the Clark Island Preserve loop is dog-friendly! You are welcome to bring your canine companion, but please ensure they remain on a leash at all times to protect wildlife and ensure a pleasant experience for all visitors.

What is the best time of year to hike the Clark Island Preserve loop?

The Clark Island Preserve loop is enjoyable year-round, but the best time to visit is generally from spring through fall. During these seasons, you'll experience pleasant weather for hiking, swimming, and exploring the diverse landscapes. Winter hiking is also possible, but be prepared for colder conditions.

Are there any entrance fees or permits required for Clark Island Preserve?

No, there are no entrance fees or permits required to access Clark Island Preserve. It is maintained by the Maine Coast Heritage Trust and is open to the public for enjoyment.

What is the terrain like on this loop trail?

The terrain on this loop is generally easy and mostly flat, making it accessible for many. You'll encounter wide paths of mowed grass and gravel, as well as some footpaths through wooded areas. While mostly smooth, some sections might be a bit rougher underfoot.

Is the Clark Island Preserve loop suitable for beginners or families with children?

Absolutely! This loop is considered easy and is very suitable for beginners, children, and most fitness levels. Its mostly flat terrain and diverse scenery make it a great option for a family outing.

What kind of scenery and points of interest can I expect along the Clark Island Preserve loop?

The loop offers a diverse range of scenery, including sandy and rocky beaches, mossy forests, and old apple orchards. Key points of interest include the Quarry lagoon, which is a popular swimming spot, and coastal lookout points with sweeping Atlantic views. You'll also pass by a historic granite wharf.

How long does it typically take to hike the Clark Island Preserve loop?

The Clark Island Preserve loop typically takes about 1 hour and 10 minutes to complete. This duration can vary depending on your pace and how much time you spend enjoying the scenery or stopping at points of interest.

Are there opportunities for swimming or picnicking along the trail?

Yes, there are excellent opportunities for both! The preserve features attractive sandy beaches perfect for swimming, and the brackish Quarry lagoon is a popular spot for a dip. You'll also find picnic tables in scenic locations along the shore, ideal for a packed lunch.

Are there any amenities or places to eat near Clark Island Preserve?

Yes, the preserve is conveniently located near local amenities. The main trail starts close to the Craignair Inn and The Causeway restaurant. Additionally, the seasonal Clark Bar is just steps away from the island preserve, offering convenient options for food and drink after your hike.

Can I see wildlife or birds on the Clark Island Preserve loop?

Yes, the preserve boasts a diversity of wildlife habitats, making it a great spot for birdwatching. Keep an eye out for various bird species, and you might also spot other small creatures, especially along the beaches at low tide.

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