But the mountains aren’t the only threat. From the pedestrian hazards of Portland’s “Orphan Highways” to the crumbling cliffs of the Coast Range, here are the red zones you need to watch out for in 2026.
1. The Winter Monster: I-5 Siskiyou Summit
This isn’t just a hill; it’s a weather system. The stretch of I-5 just north of the California border (near Ashland) is legendary among truckers and locals.
The Danger Zone:
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- The Elevation: You climb over 2,000 feet in just 6 miles. This rapid change means you can leave sunny California and hit a blizzard in Oregon within minutes.
- The “Black Ice” Trap: Because the summit…