You don’t have to be a climber to have a great day on the best of all indoor climbing walls in San Francisco, Mission Cliffs. Subject yourself to a training session with the very friendly and helpful staff, pass the test, rent the gear, then start scaling. You don’t even need a partner, though it is preferable, since your safety depends upon the reliability of the guy or girl holding the rope. If heights don’t thrill you, you can boulder” upstairs