When are the hours for The Grove? (i.e. the area with the 3 main stages) Follow The Grove will open 1 hour before the first artist each day, and close 1 hour after the last artist each night. Artist set times can be found HERE Related articles 2018 Festival Map How can I charge my phone? Will there be water refill stations throughout the festival? When do the festival gates open and close? Are there 3 Day, 2 Day or Single day passes available for OMF18? Comments 0 comments Please sign in to leave a comment.