Jasper National Park in Alberta, Canada has been designated a dark sky preserve by the International Dark Sky Association. Established 1907, it’s the largest national park in the Canadian Rockies with 10,878 square kilometres of mountain wilderness.
Jasper is also the wildest of the mountain parks, and contains a superb backcountry trail system as well as the world famous Columbia Icefields, one of the only Icefields in the world accessible by road. As of 2016, the park had an active Facebook page: https://www.facebook.com/JasperNP/
Eleanor Imster has helped write and edit EarthSky since 1995. She was an integral part of the award-winning EarthSky radio series almost since it began until it ended in 2013. Today, as Lead Editor at EarthSky.org, she helps present the science and nature stories and photos you enjoy. She also serves as one of the voices of EarthSky on social media platforms including Facebook, Twitter and G+. She and her husband live in Tennessee and have two grown sons.