(Hood River, OR) -- Another two miles of the Historic Columbia River Highway State Trail have opened. A dedication ceremony was held Saturday at Viento State Park South. A new hiker/biker campground has been built with shelters for cooking, lockers with chargers and hot showers. The new segment ends before Mitchell Point. Work continues on the tunnel at Mitchell Point which is scheduled to open next spring. When it's finished, the trail will run from Troutdale to The Dalles. Four miles of trail remain to be built.