Was san gabriel mission the busiest mission?

Yes, Mission San Gabriel Arcángel was the busiest and most prosperous of all the California missions. It was the hub of a vast network of trade and commerce, with goods and services flowing in and out of the mission from all over the region. The mission's granary was always full, and its workshops were a hive of activity. Mission San Gabriel Arcángel was a true economic powerhouse, and its influence was felt far and wide.