BEND, OR -- Permits for popular wilderness spots will soon be available online. The Limited Entry System will require permits to access high-traffic trailheads within the Mt. Jefferson, Mt. Washington and Three Sisters Wilderness areas. Lisa Machnik with the Deschutes National Forest says 19 of 79 trailheads will require a use permit. She says you can access the online system starting April 7th at recreation-dot-gov. Fees are one dollar for day use and 6 dollars for overnight.