Best Coast joins REI Outessafest as a headliner at Patuxent River Park in the Washington, D.C., area and, along with Mavis Staples, at Shakori Hills in North Carolina. Best Coast’s singer/songwriter/guitarist Bethany Cosentino and guitarist Bobb Bruno recently released their third full-length album, “California Nights.”

Tickets are on sale now for the one-day festival of music and outdoor activities. The strong, celebratory and genre-spanning 100 percent female-forward lineup includes:

  • Patuxent River Park on Sept. 29:
    Headliner: Best Coast
    Also performing: Brazilian Girls, Seratones, Lucy Dacus, Oshun, Bat Fangs, Palehound, Bibi McGill
  • Shakori Hills on Oct. 20:
    Headliners: Mavis Staples and Best Coast
    Also performing: Seratones, Bat Fangs, Mary Lambert, Bibi McGill, H.C. McEntire, S.E. Ward

Outessafest is a day-long outdoor celebration that is centered on music and discovery. Participants can start the day #SweatyDirtyHappy by waking up the mind with OluKai’s Mindful Meditation & Yoga practice or Salomon’s Mindful 5K run.

Concert-goers can learn to paddle or rock climb with REI Outdoor School before spending the evening listening to the lineup’s soaring vocals and towering melodies.

Other highlights are a hammock zone for relaxing in the sun; inspirational speakers including Ambreen Tariq (“Brown People Camping”), Jenny Bruso (“Unlikely Hikers”) and Mirna Valerio (ultramarathon runner and body positive advocate) and outdoor classes like Urban Outdoor Essentials and Outdoor iPhone Photography.

The festivals will feature surprise activations intended to be discovered by attendees throughout the day. Limited camping will be available on-site in North Carolina.

REI Outessafest partners include Black Diamond, Garmin, Hydro Flask, Leatherman, Lorissa’s Kitchen, Maui Jim, Merrell, OluKai, Osprey, RXBAR, Salomon, Sea to Summit, Smartwool and Subaru of America Inc.

Tickets are available for purchase at Outessa.com/festival for $100 per festival. Children 12 and under will be admitted free of charge.