Rat Trap Pass is a mountain pass at an elevation of 970m (3,182ft) above the sea level, located in Snohomish County, in the U.S. state of Washington.
Located within the Mount Baker-Snoqualmie National Forest, the road to the summit is unpaved. It’s called National Forest Road #27. It’s very rough. 4x4 vehicles required. This rough road is not recommended for low clearance vehicles. The road is often closed due to numerous washouts.
The road is 22.04 km (13.7 miles) long, running from Mountain Loop Highway to National Forest Road #2703. Along this road, the route climbs a long traverse with periodic open views of White Chuck Mountain in front of you on the left.