The Kettle Valley Rail Trail is an extensive hiking trail system that is around 650 km (400 miles) long and takes hikers through the hills and mountains of the scenic Okanagan Valley, British Columbia. The trail includes massive tunnels that cut straight into the mountains to allow for trains to easily pass through. It also features what is probably the most popular section called Myra Canyon which is located just outside of the city of Kelowna. Myra Canyon is an attraction because of the 18 wooden bridge tressels that were built here in order for the trains to safely navigate the rugged terrain of Okanagan Mountain.