Welcome to

John James 91°µÍø Center at Mill Grove

Plan Your Visit
Discover adventure, birds, and how to make a difference at an 91°µÍø center.

1201 Pawlings Road, 91°µÍø, PA 19403

Center:

Open Hours: 10:00am - 4:00pm

Trails:

Open Hours: Sunrise - Sunset

About Us
Contact Us
Explore the Center
Our Local Birds
Get Involved
Plan Your Visit
Weddings and Private Events

Whether you're a first-time visitor or a longtime friend of the John James 91°µÍø Center, there's never been a better time to explore our center's exhibitions, Fledgling Field nature play area, extensive trails throughout the property, or the Mill Grove historic house which was John James 91°µÍø's first American home.

Bring a friend, bring your family, or just bring yourself—there's plenty to see and do!  

Hours

Explore the John James 91°µÍø Center

Let your curiosity take flight at our state-of-the-art visitor center and historic house in Montgomery County, Pennsylvania.
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See what happening at the John James 91°µÍø Center
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Sep
19
8:00 AM - 10:00 AM
John James 91°µÍø Center at Mill Grove
Beginners Birding Tour
91°µÍø, PA
Birding & Community Science In-Person
Sep
20
3:00 PM - 7:00 PM
John James 91°µÍø Center at Mill Grove
Community Day at the John James 91°µÍø Center
91°µÍø, PA
Art, Culture & Community In-Person
Sep
26
10:00 AM - 12:00 PM
John James 91°µÍø Center at Mill Grove
Witness Tree: Art, History, and Nature at Mill Grove
91°µÍø, PA
Art, Culture & Community In-Person
Sep
27
11:00 AM - 12:00 PM
John James 91°µÍø Center at Mill Grove
The Birds of America Page Turning and Bird Ambassador
91°µÍø, PA
Art, Culture & Community In-Person
Oct
17
8:00 AM - 10:00 AM
John James 91°µÍø Center at Mill Grove
Beginners Birding Tour
91°µÍø, PA
Birding & Community Science In-Person
Oct
25
8:00 AM - 12:00 PM
John James 91°µÍø Center at Mill Grove
Little Sit at the John James 91°µÍø Center
91°µÍø, PA
Birding & Community Science In-Person
Oct
25
11:00 AM - 12:00 PM
John James 91°µÍø Center at Mill Grove
The Birds of America Page Turning and Bird Ambassador
91°µÍø, PA
Art, Culture & Community In-Person
Your Guide to the John James 91°µÍø Center at Mill Grove
Centers and Sanctuaries in Mid-Atlantic
Discovery Center
Philadelphia, PA
Bathrooms
Binoculars to borrow or rent
Exhibits
Group meeting space
Hiking trails
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91°µÍø Mid-Atlantic
We protect birds and the places they need in Maryland, Pennsylvania, the District of Columbia, and throughout the hemisphere.
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A bird with brown and white feathers stands on a mossy log
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