40 CFR § 81.425 - Oregon.

---
identifier: "/us/cfr/t40/s81.425"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 81.425 - Oregon."
title_number: 40
title_name: "Protection of Environment"
section_number: "81.425"
section_name: "Oregon."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "C"
subchapter_name: "AIR PROGRAMS"
part_number: "81"
part_name: "DESIGNATION OF AREAS FOR AIR QUALITY PLANNING PURPOSES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 7401,"
regulatory_source: "36 FR 22421, Nov. 25, 1971, unless otherwise noted."
cfr_part: "81"
---


# 81.425 Oregon.

| Area name | Acreage | Public Law establishing | Federal land manager |
| --- | --- | --- | --- |
| Crater Lake NP | 160,290 | 57-121 | USDA-NPS |
| Diamond Peak Wild | 36,637 | 88-577 | USDA-FS |
| Eagle Cap Wild | 293,476 | 88-577 | USDA-FS |
| Gearhart Mountain Wild | 18,709 | 88-577 | USDA-FS |
| Hells Canyon Wild | 108,900 | 94-199 | USDA-FS |
| Kalmiopsis Wild | 76,900 | 88-577 | USDA-FS |
| Mountain Lakes Wild | 23,071 | 88-577 | USDA-FS |
| Mount Hood Wild | 14,160 | 88-577 | USDA-FS |
| Mount Jefferson Wild | 100,208 | 90-548 | USDA-FS |
| Mount Washington Wild | 46,116 | 88-577 | USDA-FS |
| Strawberry Mountain Wild | 33,003 | 88-577 | USDA-FS |
| Three Sisters Wild | 199,902 | 88-577 | USDA-FS |
| Hells Canyon Wilderness, 192,700 acres overall, of which 108,900 acres are in Oregon, and 83,800 acres are in Idaho. |  |  |  |