High Adventure vacancies for trips in 2024 as of 3 April 2024, including Provisional Lenhok'sin Backpacking & James River canoeing crews, Provisional Sea Base Keys Adventure, five crews to Philmont, two or three crews to Northern Tier Ely and at least one Northern Tier Atikokan crew.  Also, information about a canceled St. Thomas Sailing crew and how to check for availability on Sea Base's website.