Splitting the time between Mammoth and the Lake is exactly what I had in mind. I know Mammoth will largely be open then (we have been before), I just wasnt sure what was the position round the Lake. We plan to arrive at either SFO or LAX, hire a vehicle and do a one way trip to the other taking in Tahoe and Mammoth en route.
How much if at all will weekends be an issue with crowds then. It is after Easter so I imagine weekdays will be quiet.
Also does anybody know if they plan to close down any of Mammoth round that time and if so what does close down mean ie do they shut the smaller lodges-such as Eagle- but keep the lifts there running or do they shut both