Tilly Jane Trail #641 is a hiking trail in Hood River County, Oregon. It is within Mount Hood National Forest. It is 2.3 miles long and begins at 4,287 feet altitude. Traveling the entire trail is 4.8 miles with a total elevation gain of 1,686 feet. The trail ends near the Tilly Jane Warming Hut shelter and the Tilly Jane Campground camp site.