I’d say quite likely a bear. Two points:

First, given the volume of scat it is a large animal, and it looks nothing like elk or moose scat (other large land mammals in the US). 

Second, bears love berries and scat with all those berries in it is a very good indicator of a bear, regardless of size. 

Bears range widely across many biomes and most try hard to avoid people. In my high desert suburbs I’ve seen coyote, deer, bear, and mountain lion over the years.