Winter riding holiday: California/Nevada?

Hey All;

My sister has a few weeks off coming up in February/March, and is looking to go riding somewhere semi-warm. She's willing to travel, and is thinking about Nevada or California.

She's 29, has been riding seriously for a season or two, and loves it. She's done a skills camp, a few races and been in a 24 hour. She rides an 06 Specialized full suspension xc/trail rig. She lives and rides in Ontario, so she's not DH/FR at all and likes to keep the tires on the trail.

She's looking for a 3 or 4 day organized bike tour to participate in, since she'll be on her own. Any recommendations, ideas, or suggestions?

this thread is useless without pics

Feb / March? Moab might be an option if you push to March.

this thread is useless without pics

You'll notice I posted the most relevant pic already flow!

Skyline Park- Napa
http://www.ncfaa.com/skyline/trails.htm

China Camp - San Rafael http://www.btcmarin.org/maps/maps_china_camp.htm

Angwin - Los Posadas National Forest - Napa
http://www.singletracks.com/php/trail.php?id=1208

Annadel Sate Park - Santa Rosa
http://ogrehut.com/trails.php/Bay-North/Annadel

http://cycleventures.com/trip_southern_africa/southern_africa.htm

Africa would be pretty sweet

I'd take Cali over Nevada. It may not be as warm but it'll probably feel like an oven compared to Ontario.

I've always liked Big Sur. Laid-back, uncrowded, beautiful - the way Cali probably was in the good ol days. Cheap too in the off-season. But the riding might be more limited and I know nothing about guided tours. I could point out a couple riding spots near Morro Bay