Hiking Kasoag Lake Park and campground. - panoramic view tree outdoor landscape nature mountain sky autumn plant cloud background lake painting forest surrounded distance
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Hiking in the Kasoag Lake Park and campground.: trails, map and practical info

Thousand Islands-Seaway • New York

4.4 Appreciated by 2 hikers
François Dumaine
By François Dumaine • Contributor since 2022 • Updated 23/06/2026
Ready to go See map
Difficulty
Easy
Distance
2 km
Elevation
15 ft
Duration
45min

Kasoag Lake Park and Campground

Enjoy this 2.7-mile (4.3-km) loop trail near Altmar, New York. Generally considered an easy route. This trail is great for paddle sports, and it's unlikely you'll encounter many other people while exploring. The best times to visit this trail are April through October.

Recommended for :
Beginners

Ready to explore Kasoag Lake Park and campground.? Here's everything you need to know before you go!

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Trail description

Update distance reference from '2.4 km' to '4.3 km' in The Trail section:

The hiking here is straightforward and accessible. The main trail covers 4.3 km with only about 30 meters of elevation gain, making it an easy outing suitable for all ages and fitness levels. Most people complete the loop in around 40 minutes, though it's the kind of place where you'll naturally slow down — especially near the lake shore, where the views invite you to stop and take it in.

Recommended gear for this trail

LGPO Pick
Elixir Tour Mid WP
Salomon
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Daylite Plus 20L
Osprey
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Lightweight and versatile for day hikes
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Wide Mouth 1L
Nalgene
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Unbreakable and BPA-free — a hiking essential
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Trail Ergo Cork
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Comfortable cork grip for long ascents
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Actik Core 625
Petzl
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4.6 (1893 reviews)
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Ready to go?

Everything you need to know before you go

Where?

Address
603 County Rte 30, Williamstown, NY 13493, USA
GPS coordinates
43.4675012, -75.9240038
Phone
(315) 964-2348

Starting Point

The easiest way to get to the start of the trails at the Kasoag Lake Park and campground. in New York is to take exit 41 off of Interstate 81 and follow NY-3 east for about 9 miles. The park will be on your left.

When?

Opening hours
From sunrise to sunset
Varies by season
Best season
Fall
Spectacular colors
Best time
Early morning
Less crowded
Weather (next days)
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How much?

Entry fees
Adult
Not available
Child
—
What to bring?
Gear
Download the PDF checklist
Water & food
2L minimum
No water point on the trail
Bring energy snacks for a 4h+ hike
Good to know
Park rules
No dogs
Safety
Download the GPX before you go
Limited cellular coverage on the trail
Slippery after rain
Be careful on rocky sections
In an emergency
Emergency
911
Parking GPS
43.4675012, -75.9240038
Center
(315) 964-2348

Hikers' opinions

4.4
1 Reviews
A
Anonymous
Jan 15, 2024
Nice quiet spot for camping and hiking. The trails offer gentle terrain with minimal elevation gain of just 15 meters, making it perfect for families. Located conveniently off Interstate 81, the park provides a peaceful escape in the Thousand Islands-Seaway region. Plan for 4-6 hours to fully explore the area and enjoy the lake views.

FAQ - Frequently asked questions

Everything you need to know
Easy
15.00 m
45min
No
No
It takes 4 to 6 hours to fully explore Kasoag Lake Park and campground. The duration can vary depending on which activities you choose to do and how much time you spend at different areas within the park.
The elevation gain at Kasoag Lake Park and campground is 15 m. This minimal elevation change makes it accessible for visitors of various fitness levels.
No, dogs are not allowed at Kasoag Lake Park and campground. Please check with the park for their current pet policy before your visit.
No, there is no entrance fee for Kasoag Lake Park and campground. However, verify current fees and policies with the park before your visit.
Take exit 41 off of Interstate 81 and follow NY-3 east for about 9 miles. The park will be on your left.
Didn't find your answer?
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The Essential Hiking Checklist

Everything you need for your next hike. Bilingual, printable, 1 page.

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Update : June 2026