Cascade - 1 - bl. Mineral Park to Marble Creek Campground (Upper) (WA)
Intermediate access point. Scramble up or down the bank adjacent to the bridge. Located at Cascade River Road mile 14.1 where the turn off to Forest Road 1570 is lcoated. It's a 1.5 mile drive down Forest Road 1570 to the bridge and a high clearance vehicle is helpful.