Two weeks are better.

The grandeur of the Valley cannot be fully appreciated in a few days.

Those not accustomed to staging or mountain climbing should make some allowance in their itineraries for rest.

Many visitors spoil their pleasure by getting too tired.
Take a little more money than you think will be needed.

You may want to prolong your stay.
Hunting, or the possession of firearms, is not permitted in the Yosemite National Park.