Basic tree ID hike planned for Sinking Creek. Parks and Recreation would like citizens to experience the future 28-acre Sinking Creek Nature Park with a mile-long, slow-paced hike from 10-11:30 a.m. Participants will discover about a dozen tree species from a wetland habitat and hardwood forest. Fee is $1. For more information and directions to the park, please call (423) 283-5821.