164.886 Unlawful tree spiking; unlawful possession of substance that can damage certain wood processing equipment. (1) A person commits the crime of unlawful tree spiking if the person knowingly drives or places in any tree or saw log, without the prior consent of the owner thereof, any iron, steel or other substance sufficiently hard to damage saws or wood manufacturing or processing equipment with intent to cause inconvenience, annoyance or alarm to any other person.
(2) Except as provided in subsection (3) of this section, unlawful tree spiking is a Class C felony.
(3) Unlawful tree spiking that results in serious physical injury to another person is a Class B felony.
(4) Any person who possesses, with the intent to use in violation of subsections (1) to (3) of this section, any iron, steel or other substance sufficiently hard to damage saws or wood manufacturing or processing equipment is guilty of a Class A misdemeanor. [Formerly 164.877]
Stored review status: 2025_edition_later_amendments_unresolved. A text match is a research starting point; applicability is not established.
Official chapter context and edition notices
Chapter 164 — Offenses Against Property
ORS sections in this chapter were amended or repealed by the Legislative Assembly during its 2026 regular session. See the table of ORS sections amended or repealed during the 2026 regular session: 2026 A&R Tables
New sections of law were enacted by the Legislative Assembly during its 2026 regular session and pertain to or are likely to be compiled in this ORS chapter. See sections in the following 2026 Oregon Laws chapters: 2026 Session Laws 0014 ; 2026 Session Laws 0053 ; 2026 Session Laws 0067
2025 EDITION
OFFENSES AGAINST PROPERTY
CRIMES AND PUNISHMENTS
DEFINITIONS
THEFT AND RELATED OFFENSES
MAIL-RELATED OFFENSES
MONEY LAUNDERING
BURGLARY AND CRIMINAL TRESPASS
ARSON, CRIMINAL MISCHIEF AND RELATED OFFENSES
GRAFFITI-RELATED OFFENSES
ROBBERY
LITTERING
UNLAWFUL TRANSPORT
MISCELLANEOUS
DEFINITIONS
File SHA-256: 4f233e8c2845121d92478a7eeb1ecc446ff209639f33f26a4f75386ddc5638f3. The original may include catalog metadata, neighboring provisions, or embedded records outside this collection's scope. This page displays the selected Oregon section record with its printed versions and adjoining notes. Historical editions and unverified snapshots are not a statement of current law.
Authority boundary: official snapshot extraction not current law verified.
Stable record: oregon_criminal_law:legal_authorities:164.886 Source file: ors164.html Pages: Not recorded – Not recorded Passage SHA-256: 9dda40e81eda1b385d8ff46d2983fb743301f6567559e6cef4b037cddd2fda6e Retained source evidence SHA-256: 4f233e8c2845121d92478a7eeb1ecc446ff209639f33f26a4f75386ddc5638f3
Source location: ORS 164.886 (all printed versions and notes)
Stored source content
164.886 Unlawful tree spiking; unlawful possession of substance that can damage certain wood processing equipment. (1) A person commits the crime of unlawful tree spiking if the person knowingly drives or places in any tree or saw log, without the prior consent of the owner thereof, any iron, steel or other substance sufficiently hard to damage saws or wood manufacturing or processing equipment with intent to cause inconvenience, annoyance or alarm to any other person.
(2) Except as provided in subsection (3) of this section, unlawful tree spiking is a Class C felony.
(3) Unlawful tree spiking that results in serious physical injury to another person is a Class B felony.
(4) Any person who possesses, with the intent to use in violation of subsections (1) to (3) of this section, any iron, steel or other substance sufficiently hard to damage saws or wood manufacturing or processing equipment is guilty of a Class A misdemeanor. [Formerly 164.877]
Cross-references
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Oregon criminal law — ORS Title 16 (2025 snapshot) · legal_authorities
166.715 Definitions for ORS 166.715 to 166.735. As used in ORS 166.715 to 166.735, unless the context requires otherwise:
(1) “Documentary material” means any book, paper, document, writing, drawing, graph, chart, photograph, phonograph record, magnetic tape, computer printout, other data compilation from which information can be obtained or from which information can be translated into usable form, or other tangible item.
(2) “Enterprise” includes any individual, sole proprietorship, partnership, corporation, business trust or other profit or nonprofit legal entity, and includes any union, association or group of individuals associated in fact although not a legal entity, and both illicit and licit enterprises and governmental and nongovernmental entities.
(3) “Investigative agency” means the Department of Justice or any district attorney.
(4) “Pattern of racketeering activity” means engaging in at least two incidents of racketeering activity that have the same or similar intents, results, accomplices, victims or methods of commission or otherwise are interrelated by distinguishing characteristics, including a nexus to the same enterprise, and are not isolated incidents, provided at least one of such incidents occurred after November 1, 1981, and that the last of such incidents occurred within five years after a prior incident of racketeering activity. Notwithstanding ORS 131.505 to 131.525 or 419A.190 or any other provision of law providing that a previous prosecution is a bar to a subsequent prosecution, conduct that constitutes an incident of racketeering activity may be used to establish a pattern of racketeering activity without regard to whether the conduct previously has been the subject of a criminal prosecution or conviction or a juvenile court adjudicatio