Real-time open/closed reports, winter closure schedules, webcams, and Cascade Range pass updates across Santiam Pass (OR-126), Willamette Pass (OR-58), Mt. Hood Passes (US-26), and McKenzie Pass (OR-242). Verified live via ODOT TripCheck.
Open. Critical West Coast freight corridor. Active ODOT automated de-icing & chain control checkpoints during winter snowstorms.
Siskiyou Summit open or closedOpen. Busiest Cascade highway pass in Oregon. Continuous 24/7 ODOT snowplow station; tire chains required during winter storms.
Santiam Pass road conditionsOpen. Serves ski resorts and Central Oregon traffic. Heavy winter snowpack; mandatory chain laws enforced by Oregon State Police.
Government Camp open or closedClosed seasonally due to deep snow accumulation over narrow lava field highway. Gates locked Nov through mid-June.
McKenzie Pass open or closedOpen. Vital commercial & travel corridor over High Cascades. Continuous 24/7 ODOT plowing and winter chain advisories.
Willamette Pass open or closedOpen. Infamous heavy freight incline. Variable electronic speed limits and strict ODOT chain requirements during ice storms.
Lookout Pass Deadman Pass road conditionsOpen. Connects US-26 to OR-35 Hood River Valley. Heavy mountain snowfall; ODOT plow patrols active.
Barlow Pass road conditionsOpen. Transcontinental interstate summit between La Grande and Baker City. Continuous ODOT winter de-icing.
Blue Mountain Pass open or closedOpen. Serves Hoodoo Ski Area and winter recreational trails. Maintained by ODOT and Linn County snowplows.
Hoodoo Pass road conditionsOpen. Key link between Mt. Hood highway network and Columbia Gorge. Winter traction advisories frequent.
Bennett Pass road conditionsOpen. High-altitude plateau highway linking Bend to California border. Continuous ODOT winter plowing.
Chemult Summit road conditionsClosed seasonally due to unplowed high-elevation snowpack. Forest Service Road 39 reopens in June.
Wallowa Mountain passes open or closedOpen. Traverses Cascade-Siskiyou National Monument. Winding mountain route with active ODOT winter plowing.
Green Springs Mountain Summit road conditionsOpen. Critical US-97 interstate connector linking Klamath Falls to Weed/I-5 in California. ODOT plow patrols active.
Klamath Pass road conditionsOpen. Links US-26 near Warm Springs to Central Oregon plateau. Maintained year-round with winter snow advisories.
Abbot Pass road conditionsOpen. Subject to severe East Wind ice storms and freezing rain. ODOT continuous liquid de-icing sprayers active.
Cascade Locks Columbia Gorge road conditionsOpen. Lower east approach to Santiam Pass near Suttle Lake. Continuous ODOT winter highway maintenance.
Suttle Lake Summit road conditionsClosed seasonally. Narrow mountain backcountry route unplowed in winter due to heavy mountain snowdrifts.
Agness Pass open or closedOpen. Traverses Coast Range between Willamette Valley and Oregon Coast. Maintained year-round by ODOT.
Alsea Summit road conditionsQuick overview of all 19 major mountain summits and passes across Oregon with route, elevation, and winter status.
| Pass / Summit Name | Highway Route | Elevation | Mountain Range / Region | Winter Status | ODOT Maintenance |
|---|---|---|---|---|---|
| Wallowa Mountain Passes | FSR-39 (Hells Canyon Byway) | 6,000 ft (1,829 m) | Wallowa Mountains | Closed | Unplowed Seasonal Forest Route |
| McKenzie Pass | OR-242 | 5,325 ft (1,623 m) | High Cascades | Closed | ODOT Seasonal Gate at Sisters |
| Willamette Pass | OR-58 | 5,128 ft (1,563 m) | High Cascades | Open | ODOT 24/7 High Cascade Station |
| Santiam Pass / Hoodoo | US-20 | 4,817 ft (1,468 m) | High Cascades | Open | ODOT Priority Plow Station |
| Chemult Summit | US-97 | 4,758 ft (1,450 m) | Central Oregon Plateau | Open | ODOT Chemult Maintenance Station |
| Bennett Pass | OR-35 | 4,674 ft (1,425 m) | Mount Hood East Flank | Open | ODOT Mt. Hood Maintenance Patrol |
| Green Springs Summit | OR-66 | 4,550 ft (1,387 m) | Cascade-Siskiyou Crest | Open | ODOT Jackson County Patrol |
| Agness Pass | Bear Camp Road | 4,400 ft (1,341 m) | Oregon Coast Range | Closed | Unplowed Backcountry Route |
| Klamath Pass | US-97 | 4,350 ft (1,326 m) | Klamath Basin Crest | Open | ODOT Klamath Falls District |
| Siskiyou Summit | Interstate 5 (I-5) | 4,310 ft (1,314 m) | Siskiyou Mountains | Open | ODOT Automated De-Icing Patrols |
| Blue Mountain Pass | Interstate 84 (I-84) | 4,193 ft (1,278 m) | Blue Mountains | Open | ODOT Eastern Oregon Priority |
| Barlow Pass | US-26 / OR-35 | 4,160 ft (1,268 m) | Mount Hood Crest | Open | ODOT Mt. Hood Station |
| Government Camp | US-26 | 4,013 ft (1,223 m) | Mount Hood | Open | ODOT 24/7 Government Camp Station |
| Abbot Pass | OR-216 | 3,740 ft (1,140 m) | Mount Hood East Slopes | Open | ODOT Wasco Maintenance |
| Deadman Pass / Cabbage Hill | Interstate 84 (I-84) | 3,620 ft (1,103 m) | Blue Mountains | Open | ODOT Automated Anti-Icer / Variable Speed |
| Suttle Lake Summit | US-20 | 3,440 ft (1,049 m) | High Cascades | Open | ODOT Central Oregon Station |
| Alsea Summit | OR-34 | 1,240 ft (378 m) | Oregon Coast Range | Open | ODOT Benton County Patrol |
| Cascade Locks / Columbia Gorge | I-84 / US-30 | 350 ft (107 m) | Columbia River Gorge | Open | ODOT Freezing Rain De-icing Patrols |
During winter weather advisories, Oregon Department of Transportation (ODOT) and Oregon State Police enforce mandatory tire chain regulations across all Cascade passes, Siskiyou Summit on I-5, and Deadman Pass on I-84.
Passenger vehicles under 10,000 lbs must carry or use tire chains, or have approved traction tires (M+S or 3-Peak Mountain Snowflake) installed on drive wheels when "Carry Chains or Traction Tires Required" signs are posted.
Commercial trucks and vehicles over 10,000 lbs must carry minimum chains and install chains on drive axles when "Chains Required on Commercial Vehicles" is declared on Siskiyou Summit (I-5), Cabbage Hill (I-84), or Santiam Pass (US-20). Fines for violation exceed $880 per offense.
Answers to common traveler questions regarding Oregon pass road conditions, winter closures, and real-time ODOT TripCheck verification.