Crater Lake and Maroon Bells Campgrounds Closed Due to Bear ...Crater Lake and Maroon Bells Campgrounds have been closed to overnight camping due to bear activity in the area. […] This entry was posted in Backpacking Camping Tips North West RV/Trailer South West Tent Site Wilderness Area and tagged Activity Advice Aware Backpacking Bear Camp Ground Campground Camping Closed Crater Lake Hiking Information Maroon Bells Tent Camping Tips Trailer Camping on August 6, 2015 by Camper T