1. Oneonta Gorge is a stunning scenic hike located in Portland, Oregon. It is a narrow, mossy canyon that provides an unforgettable hiking experience. Visitors will find themselves surrounded by towering walls of basaltic cliffs and the pristine creek water flowing through the gorge. The hike is relatively short, but requires wading through water at times, making it a unique and adventurous experience. The scenery is particularly stunning during the spring and summer months when the vegetation is lush and green.

2. Oneonta Gorge is open year-round; however, it can be closed during hazardous conditions such as snow or ice. There is no phone number available for the gorge.

3. There is no ticket fee to visit Oneonta Gorge, but visitors need to obtain a Northwest Forest Pass or pay a day fee to park in the nearby parking lot. The parking lot is located off the Historic Columbia River Highway, and visitors can access the gorge by walking a short trail from the parking lot to the trailhead. Public transportation is not available to the gorge, so visitors will need to drive or take a taxi or ride-sharing service to reach it.