Birding in Aspen & the Roaring Fork Valley

Tuesday Birding at Hallam Lake

ACAspen Center for Environmental Studies (ACES)

Select / bi-weekly Tuesday mornings, summer into early fall, alternating Hallam Lake and Rock Bottom Ranch

ACES Hallam Lake Nature Preserve, Aspen (some dates at Rock Bottom Ranch, Basalt)

A roughly three-hour morning walk for birders of all levels, led by veteran naturalist Rebecca Weiss. Discounted for ACES members. Runs select Tuesdays — confirm the date and location before going.