TRAIL CENTRAL - When you visit the Allegheny National Forest Region you're on the Trail to Something Big! The amazing engineering marvel the Kinzua Sky Walk extends 624 feet out in the Kinzua Gorge. The Allegheny National Forest offers over 513,000 acres of outdoor recreation. Over 600 miles of trails are available for hiking, biking, ATV and snowmobiling in winter. In fall the colors are spectacular. Drive Scenic Route 6, Longhouse Scenic Byway, or any of our other scenic drives to be dazzled. The Allegheny National Forest Visitors Bureau is the official destination marketing organization for McKean County.