This easement preserves a 75-foot wide strip of land including both sides of Lyon Brook as it passes through the Trussell Ridge development. The easement protects all land lying 25 feet westerly of Lyon Brook and 50 feet easterly of Lyon Brook. Six house lots are affected by this conservation easement requiring careful records regarding ownership. The New London Conservation Commission maintains the Lyon Brook trail that is protected by this easement. The New London Outing Club (NLOC) holds the easement for this parcel with Ausbon Sargent as backup grantee.

The south end of the Lyon Brook trail can be accessed from the Trussell Ridge development.