Green Mountain Club issued the following announcement.
Certain hiking trails are closed to protect peregrine falcons during their nesting period. Peregrines are vulnerable to human disturbance on or above a nesting cliff, says Vermont Fish & Wildlife. Please respect closures, and avoid hiking and climbing around these areas until August 1.
Closures listed here: http://ow.ly/c7Hy50IKSS3
Original source can be found here.