We stayed in Mt. Crested Butte itself in a place called Peach Tree Condo (Watchdog properties) which was pretty nice but really only for 2 people. They were happy for us to keep our bikes on the balcony which was good, although bike crime there seems to be so low that you could probably leave them anywhere you wanted! There is a youth hostel in CB itself that is bike friendly, does smaller rooms and is at the posh end of hosteling.
We had originally planned to stay there for a week and then move on but it was so great in CB that we decided to stay for another week. There is so much riding that it would take many trips to start to get bored.
In terms of trails I’d travel back to ride again the 401 (did it twice while we were there!), Doctors Park and Teocali Ridge are at the top of the list but we didn’t ride a bad trail the whole time. I though Monarch Crest was OK but not as good as the hype. The view from the plateau is spectacular but only a 3 mile hike from where you park. For the first few days of acclimatising either get a lift pass for the bike park (meh, but they do it for free on friday evenings) or ride the local trails – Upper loop, Upper upper, Tony’s, Whetstone vista, Snodgrass and Lupine are particularly good
There is an excellent local guide by Holly Annala (ISBN 978-0-9723050-4-4) that covers Crested Butte, Gunnison, Salida and Buena Vista and has everything you need trail wise. I think you can get it from the CBMBA website. Singletracks was also pretty useful. All of the trails are well marked and signed, and with the book descriptions we didn’t go wrong once.
Be prepared to suffer though and take the first few days easy (stay off the beer!) and drink lots of water. All of the rides start above 2500m and you have to pedal your way up at least another 600-1000m, often more than once when you take into account all the uphill you will do for most rides.
We ended up going for a mid-sized SUV as well. Glad we did as it meant getting the bike bags in was easy and transporting them between rides only required the front wheel coming out and a $5 tarp to keep the boot clean. Plus the big engine coped better with the altitude.
Food in CB ain’t cheap but there is a big supermarket 30 minutes away in Gunnison to stock up in on your way up.
Didn’t see any bears (boo), mountain lions (thank fU*k) or snakes. Did see lots of chipmunks, humming birds and the odd coyote.