In addition to the two routes to Huckleberry Mountain K7ATN describes, there is a third trail up, the Bonanza Trail. I chose this option for three reasons: I was intrigued by the fact that there was a mine shaft off the trail, it looked like it was a bit shorter than the Boulder Ridge Trail route and I thought that there would be fewer hikers taking this route on this busy Labor Day weekend Sunday.
Here is information about the hike that I used: