Mtb Scale is a hiking and biking trail in Bedford County, Pennsylvania. It is within Blue Knob State Park and State Game Land No. 26. It is 2.3 miles long and begins at 3,007 feet altitude. Traveling the entire trail is 3.5 miles with a total elevation gain of 882 feet. The Blue Knob Fire Tower (elevation 3,028 feet) tower is near the trailhead.