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    • Become a Member
    • Sponsorships
    • Other Ways to Support
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    • Overview
    • CCC/POW
    • Medina Sandstone and the Hamlin CCC Camp
    • Geologic History
    • Yanty Marsh
  • Contact
  • About Friends
    • Who We Are
    • What We Do
    • Board Members
  • Projects
    • Friends of Hamlin Beach SP Activities
    • Birds
    • Gardens
    • Community
    • State-Wide Events
    • Accessibility
  • Events
  • Support
    • Become a Member
    • Sponsorships
    • Other Ways to Support
    • Donate
  • History
    • Overview
    • CCC/POW
    • Medina Sandstone and the Hamlin CCC Camp
    • Geologic History
    • Yanty Marsh
  • Contact
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  • About
    • Who We Are
    • What We Do
    • Board Members
    • Who We Are
    • What We Do
    • Board Members
  • Projects
    • Friends of Hamlin Beach SP Activities
    • Birds
    • Gardens
    • Community
    • State-Wide Events
    • Accessibility
    • Friends of Hamlin Beach SP Activities
    • Birds
    • Gardens
    • Community
    • State-Wide Events
    • Accessibility
  • Events
  • History
    • Overview
    • CCC/POW
    • Medina Sandstone and the Hamlin CCC Camp
    • Geologic History
    • Yanty Marsh
    • Overview
    • CCC/POW
    • Medina Sandstone and the Hamlin CCC Camp
    • Geologic History
    • Yanty Marsh
  • Support
    • Become a Member
    • Sponsorships
    • Other Ways to Support
    • Donate
    • Become a Member
    • Sponsorships
    • Other Ways to Support
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Park History

Geologic History

The formation of Lake Ontario

Like much of the geography of Western New York, Lake Ontario and the area of Hamlin Beach State Park were formed when the last glaciers receded about 10,000 years ago. Melting water accumulating at the southern edge of the ice sheet formed Lake Warren, a large lake which covered most of western New York State. As the glacier melted further, this lake disappeared and the water ran into an area north of the present-day Ridge Road, US Route 104. It then formed Lake Dawson, located in the vicinity of the basin now called Lake Ontario.

The glacier shelf that blocked the eastern end of Lake Dawson finally disappeared and the waters mixed with the salt water of the Atlantic Ocean, creating a salt-water body called the Gilbert Gulf. As years passed, the weight of the ice diminished and the land in the St. Lawrence Region rose, separating the ocean from the inland waters, creating Lake Iroquois. The sand and gravel from the shores of this lake provided the base of the aforementioned Ridge Road. The lake continued to grow and spilled over this landmass, cutting through the land and creating the St. Lawrence River. As fresh water diluted the salty body, the lake became fresh. The body of water that formed is Lake Ontario.

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If you prefer, you can mail a check to:

Friends of Hamlin Beach State Park
P.O. Box 65
Hamlin, NY 14464

Please make checks out to the Friends of Hamlin Beach SP.

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Friends of Hamlin Beach State Park members benefit the park in dozens of ways. Learn more.

Volunteer

Bluebird monitoring, maintaining gardens, crafts and educational events. Learn more.

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Your generosity helps us to preserve, conserve, and improve and develop the park. Learn more.

Upcoming Events

  • Invasive Swallowwort Removal

    August 26, 2026  10:00 am - 11:30 am
    Area 5 West end

    Invasive Swallowwort Removal
    Take action to protect pollinator habitat! European Swallowwort is an aggressive, non-native plant that disrupts the food web by outcompeting native species. Each stem pulled or cut helps to restore habitat and prevent the spread of this invasive species. How much swallowwort do you think we can remove? We'll weigh our bags at the end of the morning to find out! 

    Participants are encouraged to bring their own tools and gloves, though all necessary tools, garbage bags, and prizes will be provided! These programs are 1 mile or less. Meet at the front left of the Area 5 parking area. Join us for one, some, or all of these programs, which will meet between 10:00am-11:30am on the following dates:
    Friday, August 21
    Wednesday, August 26
    Friday, August 28

  • Invasive Swallowwort Removal

    August 28, 2026  10:00 am - 11:30 am
    Area 5 West end

    Invasive Swallowwort Removal
    Take action to protect pollinator habitat! European Swallowwort is an aggressive, non-native plant that disrupts the food web by outcompeting native species. Each stem pulled or cut helps to restore habitat and prevent the spread of this invasive species. How much swallowwort do you think we can remove? We'll weigh our bags at the end of the morning to find out! 

    Participants are encouraged to bring their own tools and gloves, though all necessary tools, garbage bags, and prizes will be provided! These programs are 1 mile or less. Meet at the front left of the Area 5 parking area. Join us for one, some, or all of these programs, which will meet between 10:00am-11:30am on the following dates:
    Friday, August 21
    Wednesday, August 26
    Friday, August 28

  • Seasonal Saunter

    August 29, 2026  12:00 pm - 2:00 pm

    SEASONAL SAUNTER
    Slow down and enjoy what each season has to offer, on our journey to better understand and appreciate the natural world. Join us on one or all of this series of guided walks at Hamlin Beach and Lakeside State Parks, where we will explore the many wonders each walk holds. Walks at Hamlin Beach State Park are on Saturdays, are 1 mile or less, are approximately two hours long and meet at 12:00pm at the front left of
    the Area 5 parking area. Leashed, well-behaved dogs are welcome to join.
    The dates of the walks at Hamlin are as follows:
    Saturday, August 1 
    Saturday, August 29
    Saturday, September 5

See All Events

Devil’s Nose

The most prominent feature of Hamlin Beach State Park is the bluff area at the West End, known as Devil’s Nose. The origin of its name is unknown but it is noted on maps dating to 1802.

The Nose was at one time 150 feet high and reached three quarters of a mile northward into the lake. The shoal or reef that extends beyond the Nose is over a mile and a half long and has been avoided by lake sailors for centuries.

Though tales of ships sunk off Devil’s Nose are unsubstantiated, ships have been stuck on the shoal and local legend has it that caves and passages near the Nose were used by smugglers during prohibition days.

High water and erosion forced the closing of the area to the public in the early 1970’s due to dangerous conditions but has been reopened with the trails further away from the shoreline. Please avoid the cliff edge as it is severely undercut and dangerous. The Devil’s Nose, as it has for centuries, still remains a landmark for sailors as they pass on the lake to the north.

Hamlin Beach Becomes a State Park

Northwest Park was developed as part of the Monroe County Parks System in 1928, and became Hamlin Beach State Park some ten years later, on January 1, 1938. Its establishment was primarily in demand of local residents and others who came to enjoy the clear water and sandy beaches.

Much of the construction of the park can be traced to the work of the Civilian Conservation Corp (CCC), who broke ground for their camp at the southeast corner of the park in June, 1935. During the next six years, the young men of the CCC constructed six buildings in the park and reclaimed some 90 acres of swamp area in the east woods of the park.

Development during the post-war years brought the parking lot capacity to some 2,500 cars. Work on the extension of the Lake Ontario State Parkway brought more and more visitors to the park. By 1962 the park included more than 1,100 acres. During 1967 a 264-site camping area was added.

High lake waters caused a continual problem with erosion, to the point where the destructive storms in the spring of 1973 resulted in major erosion of all the beaches in the park. Emergency state and federal funding helped complete a project to repair and replace the beaches and stabilize the area to prevent further damage. The work was completed in 1975. Also, during these years some 700,000 trout and salmon were stocked in the waters offshore. In 1977 the first stages of an environmental education center in the Yanty Creek Marsh area were completed, resulting in the Yanty Creek Nature Trail located at the east end of the park. This trail, just short of a mile in length, is a self-guided trail.

Today, the State Park at Hamlin Beach meets the recreational needs of residents throughout Monroe and Orleans Counties as well as Western New York State.  Picnic areas are used by patrons for group outings, company picnics and reunions. Visitors can enjoy this unique resource for recreation and relaxation.

Friends of Hamlin Beach State Park
P.O. Box 65
Hamlin, NY 14464

Park Office #: 585.964.2462

Email: fohbsp@gmail.com

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