Named Best of Maine 2009 by Down East Magazine. For 19 years ACS have specialized in small personalized rock climbing courses on the coast of Maine. Join our AMGA certified guides for a day on the rock you will never forget. All ages and ability levels are welcome. Half- and full-day courses for individuals, couples, families, and groups. Stunning views and amazing experiences with low guide-to-client ratios. AMGA accredited. All equipment provided. At Atlantic Climbing School, WE CLIMB HIGHER!