Trail is very easy. Walked it in the evening 6 weeks after abdominal surgury and once you get past the first uphill part it is flat. If you veer off to the left there are some bouldering opportunitys, we made it to the top of those and to the lake in just under 2 hours then hiked the trail back in the dark.
The road to the trail however seems as if it will never end and we constantly thought we were lost.
It was a very cold day for a hike (9 degrees), but the trail was beautiful hiking in the snow. The snow depth is minimal, with a couple of stretches of ice that warrants using cleats to be safe. I would also suggest taking hiking poles to provide additional balance going down hills. I made it to where the trail ascends to the lakes before turning around. The frozen waterfalls along the creek were amazing!
Easy day hike with minimal elevation gain. First two miles or so switches between a foot trail and a vehicle road. After that it just follows the vehicle road, though it's only open for foot travel. Last mile and a half it really opens up with nice views of the canyon. The reservoir itself was pretty low with a dusting of light snow and a nice little stream running (11-19-16). Overall very accessible for most people with some nice views.