The Ashton Adventure Day Team Challenge begins at 3 p.m. Aug. 24 at Ashton Wildwood Park.
Each team will compete in orienteering, hunting ID and regulations, fish tackle and cleaning, casting, survival, camping and archery. Prizes will be given to the winning team.
A hotdog dinner will be served by the Des Moines Astronomical Society followed by an Astronomy presentation in the observatory classroom and stargazing.
Teams must consist of three or more, with all participants 8 years old or older. The cost is $5 per team. Choose your team name and color. To register, contact Jasper County Conservation at (641) 792-9780 or visit 1030 W. Second St. S. in Newton.