For security reasons, access to the refuge and Cotopaxi National Park is RESTRICTED by increase in activity.

https://twitter.com/Ambiente_Ec/status/632141837436911616?s=04

http://www.elcomercio.com/actualidad/ministerio-ambiente-explosiones-volcan-cotopaxi.html

She's erupting- http://www.bbc.com/news/world-latin-america-33951065

Wow, the last major eruption was 1877. Here's a pic from the summit that I took in 2007. I remember staring into the crater watching small smoke plumes rise and dissipate.