The five-mile mountain bike park at Winged Deer Park in Johnson City is finally ready for visitors.The project has been in the works for the last seven years.Sorba Tri-Cities, an organization dedicated to the enhancement of mountain biking trails in Northeast Tennessee, played a huge role in the development of the new bike park.Organizers say they’re excited to offer another mountain biking trail in our region. More than 350 volunteers, 3,000 volunteer hours, and more than $27,000 in donations and grants were all a part of making the park possible.