Three Sisters WildernessThree Sisters Wilderness, Sisters, OR 97759286,708 acres ยท 260 mi trailsโญ 4.92,810 reviews๐ฟ Nature preserve๐ชข Leash required๐ 7.5๐ณ Shade๐ง Water๐ ฟ๏ธ ParkingGoogle Maps โDetails โ