![A shelter on the bank of a lake reflecting trees and sky (Instagram@kaitlyncasso)](/sites/default/files/styles/hero_1600x745/public/images/2023-06/Osbournedale-Fall-Shelter-Reflect-Instagram%40kaitlyncasso.jpg?h=dde83e1f&itok=18UA1AWO)
Osbornedale State Park
Derby, CT![A person posing on a picnic table (Instagram@its_benji_bish)](/sites/default/files/styles/square_338x338/public/images/2023-06/Osbournedale-PicnicTable-Pose-Instagram%40its_benji_bish.jpg?h=e509a6ea&itok=j67-eAiX)
![Red fall trees (Instagram@b_perkins203)](/sites/default/files/styles/square_338x338/public/images/2023-06/Osbournedale-Fall-Foliage-Instagram%40b_perkins203.jpg?h=e0338d45&itok=TGe9UkD1)
![A person sleeping in a hammock near the lake (Instagram@madeyoulookwellness)](/sites/default/files/styles/square_338x338/public/images/2023-06/Osbournedale-Hiking-Camping-Hammock-Instagram%40madeyoulookwellness.jpg?h=be28a4de&itok=z8LU_SP1)
![A closeup of mushrooms (Instagram@spored_outta_my_mind)](/sites/default/files/styles/square_338x338/public/images/2023-06/Osbournedale-Mushrooms-Hiking-Instagram%40spored_outta_my_mind.jpg?h=97a8b622&itok=v1Rv4ogv)
![pond water reflecting fall trees (Flickr@Nd-Onyeaso)](/sites/default/files/styles/square_338x338/public/images/2023-06/Osbournedale-Fall-Pond-Flickr%40Nd-Onyeaso.jpg?h=1bdc7593&itok=PcMevIHR)
![Hiking boots in fall leaves (Instagram@beth_scanion)](/sites/default/files/styles/square_338x338/public/images/2023-06/Osbournedale-Fall-Boots-Instagram%40beth_scanlon.jpg?h=db6cda31&itok=cvF5A1nn)
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![A group of people under a shelter at the park](/sites/default/files/styles/square_338x338/public/images/2023-06/Osbournedale-Group-Shelter-Instagram%40teamincct.jpg?h=00678232&itok=UjY4wLOD)
![A sunset over the pond and fall leaves on the grass (Flickr@Sunday-Drive)](/sites/default/files/styles/square_338x338/public/images/2023-06/Osbournedale-Pond-Sunset-Flickr%40Sunday-Drive.jpg?h=6350d78e&itok=lUZIpLyu)
![Winter fog on the lake (Instagram@thepatriciaclark)](/sites/default/files/styles/square_338x338/public/images/2023-06/Osbournedale-Winter-Fog-Instagram%40thepatriciaclark.jpg?h=dcd7f4fc&itok=C77MyGbr)
Main (203) 735-4311
![Aerial view of fall trees and town (Instagram@valley_aerial_optics)](/sites/default/files/styles/hero_1600x645/public/images/2023-06/Osbournedale-Aerial-Fall-Instagram%40valley_aerial_optics.jpg?h=317ad7d0&itok=PbBrQ-dg)
Overview
Know Before You Go
Places To Visit
Fishing
Geology
Osbornedale State Park is a great place for any geology enthusiast. Not only are there several different rock types exposed in the park, but also within the park's boundaries there are geologic folds, quarries, and abandoned mines. Additionally, families can enjoy the wonderful Kellogg Environmental Center that is on the park's property.
Rock Types Found on Main Trail:
Igneous (Diabase), Metamorphic (Schist, Gneiss)
Rock Units:
Carrington Pond Member (Ordovician): Interlayered rusty weathering schist and light gray gneiss; Harrision Gneiss (Ordovician): Medium-grained foliated gneiss
Minerals of Interest:
Quartz crystals, Biotite, Feldspar
Interesting Geologic Features:
Folds, Quarry, Mines, Dike, Parallel Fractures, Natural Spring
Hiking
Historic
Places To Visit
Other
Picnicking
Reserve an open air picnic shelter
- Online: Visit Reserve America
- By phone: 1-877-668-CAMP (2267)
- Learn more about our picnic shelter rental polices and reservation details
Field Trips
The Kellogg Environmental Center and Osborne Homestead Museum is available for groups to visit as part of organized educational programming provided by schools, camps and community organizations. Our education team offers hands-on, engaging educational programs and investigations, to encourage students to develop critical thinking skills to explore environmental and historical questions and issues. All programs are available for school, youth groups, and organizations and can be presented either on or off-site. Custom programs are available.
Winter
Additional Park Info
Free
Environmental Center
Parking
Picnic Tables
Restrooms
Yes, on leash
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