Parks, Recreation and Historic Preservation

Emma Treadwell Thacher Nature Center

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87 Nature Center Way
Voorheesville, NY 12186
Latitude 42.655132
Longitude -74.042389

The Emma Treadwell Thacher Nature Center opened in July 2001 and is located in Thompson's Lake Campground at Thacher State Park. The center offers year-round educational programs for school groups, youth organizations, clubs and the general public. Exhibits and displays include a geologic model of the Helderberg Escarpment, a live honeybee observation hive, bird viewing area, fossils, furs and other hands-on collections. Trails for hiking and skiing lead from the nature center to the lake, through woodlands and fields.

Learn more, watch WMHT's doccumentary: The Great Ledge 

Not allowed inside Nature Center.

Hours of Operation

  • Nature Center is open year-round, 9 am to 5 pm
    Closed on Mondays and holidays.

Program Descriptions

Experience Thacher Nature Center (year round):

This is a great program for first time visitors of all ages! Our hands on exhibits include lie turtles, honeybee observation hive, animal furs and skulls, bird observation window with binoculars, microscope, fossils and more! Students will explore the Nature Center through a written find and seek activiity. This program includes a nature walk through gfiled and forest habitats.

Busy Bees (May-October):

Learn about the lifecycle of the honeybee, and the important role they play in the antural world. Observe a real beehive to see the queen, drones and workers as they busily do their jobs. Try on beekeeping equipment to learn how beekeepers tend to their hives.

Geology of the Indian Ladder Trail (May-October):

New York was underwater 400 million years ago. See and learn about fossils, limestone, and the process that created the Helderberg Escarpment. Follow the trail down the cliff, under waterfalls and over underground streams. Suitable for elementary through high school earth science studies. Can be combined with a visit to the Nature Center.

Getting to Know Birds (year round):

Birds are everywhere, from the forest to an urban street! Learn the habits of some of the birds that frequent our feeders, or your schoolyard. Topics could include beginning birding techniques, bird adaptations, bird songs and more.

Seasons and Senses (year round):

This program is ideal for preschoolers and grades K-1. Children use their senses to explore the natural world and learn about the current season. Program includes sensory activities, exploration of the Nature Center and a nature walk.

Lifecycle of a Tree (year round)

The forest ecosystem is a community that depends on trees. Learn about the lifecycle of a tree, from seed to rotted log. Activities may include: build-your-own living tree, play habitat hotel, or get to know the trees in our forest or your schoolyard using identification keys,

Animals in Winter (winter only):

Winter can be a harsh season for wildlife, but animals have many different ways of surviving the cold months. Find out who remains active, who hibernates, and who skips town! Learn to look for evidence of animal life in thet racks and other signs they leave behind. If conditions are good, we'll strap on snowshoes and take an exciting invigorating walk on the Nature Center's trails or in your schoolyard.


To schedule a field trip or outreach program in your classroom, please call 518-872-0800 or email Megan Mansfield at

Sat 03 Jun
National Trails Day
Saturday, June 3, 2017 08:30 AM - 12:30 PM
Emma Treadwell Thacher Nature Center
(518) 872-0800

If you love to use the great trails at Thacher Park, this is the time to show your appreciation. Come and help out with trail maintenance projects for the morning and stay for lunch, compliments of the Friends of Thacher Park. Call 872-1237 to register or for more information.

Sun 04 Jun
Explore a Bog at Thacher Nature Center
Sunday, June 4, 2017 02:00 PM
Emma Treadwell Thacher Nature Center
(518) 872-0800

What is the nature of a bog? Who lives there? What kinds of plants exist in a bog? We will explore these questions and more. Smell the fragrance of sweet gale, see native iris in bloom, and search for carnivorous sundews. Learn how a Pitcher Plant "eats". There is a lot to explore in our constructed bog. Call 872-0800 to register.

Sat 10 Jun
Tales Told by the Rocks
Saturday, June 10, 2017 10:00 AM
Emma Treadwell Thacher Nature Center
(518) 872-0800

Explore the basics of Thacher Park geology! Beneath our feet lies the story of a time long, long ago. A very different environment existed here 400 million years ago. Find out what makes the park so special, and then take a walk to check out some limestone landscape features and look for ancient fossils. Meet at Thacher Visitor Center. Call 872-0800 to register.

Sun 11 Jun
Explore the Bluebird Trail at Thacher Nature Center
Sunday, June 11, 2017 02:00 PM
Emma Treadwell Thacher Nature Center
(518) 872-0800

Want to see an Eastern Bluebird? Sneak a peek at some Tree Swallow hatchlings? Our Bluebird Trail winds through fields and woods with homes for over 25 nesting pairs of birds. Join us as we check on our nest boxes and record data on nesting birds. Bring binoculars and be prepared to walk on uneven terrain. Call 872-0800 to register.

Sat 17 Jun
Helderberg History Walk
Saturday, June 17, 2017 10:00 AM
Emma Treadwell Thacher Nature Center
(518) 872-0800

Join historian Tim Albright on a hike through time in the Helderbergs. Learn about the cultural history of the Indian Ladder Region, from early settlement by the Dutch in the 18th century to the creation of the park in the 20th century. Meet at the new Thacher Visitor Center for an introduction, and then head out for an easy walk sprinkled with interesting tales of days gone by. Call 872-0800 to register.

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Did You Know? We're #1! Our nature center made the top 20 list of places to take kids in the Capital District!