East Summit Trail is SUS. (DON'T FALL)

Pinnacle Mountain is roughly 1.5 miles (out and back) with 698 feet of elevation gain. Took me about an hour and 20 mins. Hard climb but its the best view in the area for MILES.
https://www.arkansasstateparks.com/trails/east-summit-trail
https://www.hikingproject.com/trail/7042471/east-summit-trail