Federal regulations · Through 2026-08-25 · Newer source version available

40 CFR 81.425: Oregon.

Where this section sits in the code

Title 40—Protection of Environment
CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
SUBCHAPTER C—AIR PROGRAMS
PART 81—DESIGNATION OF AREAS FOR AIR QUALITY PLANNING PURPOSES
Subpart D—Identification of Mandatory Class I Federal Areas Where Visibility Is an Important Value

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 1 108,900 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

1 Hells Canyon Wilderness, 192,700 acres overall, of which 108,900 acres are in Oregon, and 83,800 acres are in Idaho.

Collected 2026-08-27T02:26:04Z. Source file · JSON