Mid Way Geyser Basin: In order to experience Grand Prismatic Springs up close, you have to visit Mid Way Geyser Basin, which is where Grand Prismatic located. To get to the Midway Geyser Basin parking area just drive up the road from the Fairy Falls parking lot, or park along the road. Take a stroll along the 0.8-mile boardwalk trail. A few lesser hot springs, including Excelsior Geyser Crater, Opal Pool, and Turquoise Pool, will also be visible to you as you walk this path. It is a one-way boardwalk trail. An hour or so is all that it takes to visit this place.