The Middle Fork Loop Trail and Powerline Pass trail are the best places in Alaska to watch rutting moose. Much better than Denali National Park. And much closer to most residents. Sometimes a little too close. I had to jerk my pepper spray off my belt and slip the safety off when a bull started chasing a cow and stopped 10 yards from us to rattle his antlers in a bush. My friend said he'd never seen a large animal move so fast.
The moose aren't going anywhere soon. Park at the Glen Alps trailhead. Walk about a quarter mile to the Powerline Pass Trail and glass for moose in the valley below. I've counted as many as 30 at once, but most of the moose are out of sight most of the time. Spend a little time walking the trails. Bring a camera. But don't do anything stupid -- like trying to get too close or stepping between a bull and one of his cows. And carry a can of pepper spray.