The Wood County Park District is hosting its third annual Masked Hero Geochase, a self-guided geocaching puzzle adventure, October 23 through 30, at Cedar Creeks Preserve, 4575 Walbridge Road, Northwood.

Participants should bring a cellphone to decipher the clues and defeat virtual nature villains to become a nature hero.

Participation is free and open to all. Register online to receive the starting…