Take one of those roads that Don mentioned, then backpack in about 15 miles (don't forget your snowshoes!) and you may be able to avoid the Memorial Day crowds. But seriously, try up in Mushroom Gulch off US 24 toward Trout Creek Pass.
Nothing in the world is more yielding and gentle than water. Yet it has no equal for conquering the resistant and tough. The flexible can overcome the unbending; the soft can overcome the hard. - Lao Tse