This approximately 14-acre preserve encompasses the summit of Barrett Hill. Rebecca Stickney donated the property to the land trust in 1998 with the intention of protecting the natural scenic conditions. The preserve has a narrow easement right of way situated on Barrett Hill Road adjacent to CMP pole # 27. The property has no trails and no parking area. 

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The entire preserve has been cut in the past but has now grown in with oak, beech, and maple.  The property also contains several rock outcroppings.

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Surrounding the Stickney Preserve on the southern slope of Barrett Hill are blueberry barrens. Both the barrens and wooded hilltop can be seen from the Union Town Common.