The 1981 Alpine Lakes Wilderness Plan established a quota of 60 people at one time as the carrying capacity of the Core Enchantment Zone. For overnight camping between May 15 and October 31 hikers in any of the five currently established zones must have permits. 75 percent of the permits for each hiking season are awarded in advance by lottery.
The 1981 Alpine Lakes Wilderness Plan established a limit on the number of people allowed to camp in the Core Enchantment Zone, which is one of five designated zones.  Between May 15 and October 31, hikers need permits for overnight camping, and 75% of these permits are awarded through a lottery system each season.