Oregon Revised Statutes Public Lands § 271.715

(1) “Conservation easement” means a nonpossessory interest of a holder in real property imposing limitations or affirmative obligations the purposes of which include retaining or protecting natural, scenic, or open space values of real property, ensuring its availability for agricultural, forest, recreational, or open space use, protecting natural resources, maintaining or enhancing air or water quality, or preserving the historical, architectural, archaeological, or cultural aspects of real property.

(2) “Highway scenic preservation easement” means a nonpossessory interest of a holder in real property imposing limitations or affirmative obligations the purposes of which include retaining or protecting natural, scenic or open space values of property.

(3) “Holder” means:

(4) “Third-party right of enforcement” means a right provided in a conservation easement or highway scenic preservation easement to enforce any of its terms granted to a governmental body, charitable corporation, charitable association or charitable trust, which, although eligible to be a holder, is not a holder.