A backcountry permit is required to camp overnight in the North Cascades National Park Complex (incl. Ross Lake and Lake Chelan national rec areas). They are $10 per person plus $6 nonrefundable reservation fee. See the NPS website for more details on permits.
WTA Pro Tip: Save a copy of our directions before you leave! App-based driving directions aren't always accurate and data connections may be unreliable as you drive to the trailhead.