06/13/2026
Spring is almost over, but there's still time to GO BIG!
Have you completed your spring activities in the parks yet? Whether you're working through the Spring GO BIG Lightning Challenge or checking off adventures in the annual GO BIG Challenge booklet, now is the time to finish earning points with your spring explorations at Big South Fork National River & Recreation Area, Obed Wild & Scenic River, and Manhattan Project National Historical Park in Oak Ridge. Complete activities, earn points, and claim your Spring GO BIG Lightning Challenge sticker before the spring challenge comes to a close.
To learn more about the Go Big Challenge, visit https://www.nps.gov/biso/planyourvisit/big-south-fork-go-big-challenge.htm.
Graphic credit: NPS