Rutherford is just south of Pemby, after suicide hill (you'll know the one) and right before the bridge with all the washout warnings. Park on the right, take extra gas. Long trip in but you get out into the icecap and some huge wide open glaciers and stuff. I think they charge for the grooming.
Brandywine is a great area, huge zone, trees, bowls, alpine lakes, meadows, everything. $20/day, but it's groomed to the alpine, and they have trail maps at the booth. Fairly popular area so there'll be lots of tracks to follow so you don't get stuck down some bowl that you can't get out of (there are some of them) but there's always lots of snow around. It's south of Whistler on the right, Callaghan Valley, same turn-off where the nordic olympic park is, so there's lots of signs, then take your first left where all the "Snowmobilers" signs are.
Sproatt is another good spot, it's across the valley from Brandywine. Not groomed, but free. A little more tricky to find your way around up there, but again if you go a couple days after it snows there will be tracks to follow. Mostly treed areas up there, cool cabin over a lake, and some alpine if the trail is broken in. It's the turn-off just north of the Brandywine/Callaghan road. Big parking lot beside a pond right off the highway (they used to tow guys who parked there, but haven't heard of it happening yet this year) another parking area 200m up the road.
Then there's Rainbow, which is just north of Whistler at Cougar Mountain. I wouldn't recommend going up there unless you take someone who knows where they're going.
Same with Millar's, out passed Mount Currie, difficult to describe where it is, and even more difficult to describe where to go once you get there. Mostly fun tree laps for skiing/snowboarding anyway.
Some great stuff off the Duffy though. All kinds of old logging roads and deactivated FSR's. Duffy Lake highway, north of Pemberton, turn right at Mount Currie to stay on 99, you'll weave through the valley for a bit, catch a glimpse of Lillooet Lake, and then climb for like 20 minutes. Once you get up there you'll probably see vehicles parked at all kinds of wide spots and trailheads. Lots of touring and cabins up there. I'd hit up google earth and check out some zones to go explore if you get bored of what we have in town. Stick to the south end, though. Toward Lillooet gets pretty dry and into the interior/rain shadow.
I've never been up the hurley.
