Hells Canyon Recreation Area, northeast Oregon.
Halloween Canyon Spider
The canyon spider is the tangled fabric of angry spider-leg-canyons in the Hells Canyon Recreation Area. The long straight section that reaches the bottom of the map is the Snake River.
Halloween Canyon Spider in Context
The canyon spider is part of a much, much larger tangle of canyons. The drainage includes a large section of the Middle Rocky Mountains at the Oregon-Idaho border.