First, you need to find the height of the trailer's tongue when the trailer is level. Set up the trailer on flat pavement. Run the tongue jack up and down or prop it up on some scrap lumber until it's level. You can determine this by placing a carpenter's level on the tongue or by eyeballing the trailer from the side from a distance of about 50 feet. Measure from the ground to the top of the ball socket. Park the vehicle you'll use to tow the trailer on level ground too.
Two years ago, the Truckee-Donner Land Trust purchased the Summit Canyon area at the foot of the pass so that now the entire pass area is open space. The Old Lincoln Highway trail is now a great hike that winds down through the historic Donner Pass area.wo years ago, the Truckee-Donner Land Trust purchased the Summit Canyon area at the foot of the pass so that now the entire pass area is open space. The Old Lincoln Highway trail is now a great hike that winds down through the historic Donner Pass area.
Donner Memorial State Park is a state park of California, USA, preserving the site of the Donner Camp, where members of the ill-fated Donner Party were trapped by weather during the winter of 1846â1847. Caught without shelter or adequate supplies, members of the group resorted to cannibalism to survive.