Three Sisters Loop is a 52.25 mile round trip loop hike with 7,528 feet accumulated elevation gain. Located 27 miles west-northwest of Bend Oregon.
Check out the Official Route.
This is a difficult hike. It would be insane to attempt this entire hike without prior experience hiking.
WARNING! Hiking and outdoor related sports can be dangerous. Be responsible and prepare for the trip. Study the area you are entering and plan accordingly. Dress for the current and unexpected weather changes. Take plenty of water. Never go alone. Make an itinerary with your plan(s), route(s), destination(s) and expected return time. Give your itinerary to trusted family and/or friends.