1. La Bufadora is a popular tourist attraction located in Ensenada, Baja California, Mexico. It is a unique blowhole that shoots water high into the air and creates a loud noise, resembling the sound of a buffalo (hence the name \"La Bufadora\" which translates to \"The Blowhole\").

The blowhole is formed due to the geological formations of the area. Waves crash against an underwater cave, forcing the water through a hole at the surface, resulting in the impressive spout of water. Depending on the tide and ocean conditions, the spout can reach heights of up to 100 feet.

In addition to the blowhole, the area surrounding La Bufadora offers breathtaking views of the Pacific Ocean. There are also many local vendors selling various souvenirs, crafts, and food. It is a great place to capture stunning photos, shop for unique items, and experience the natural beauty of the region.

2. La Bufadora is open to visitors year-round. The blowhole itself does not have specific operating hours, as it is a natural phenomenon. However, the surrounding shops and vendors typically operate from around 9 am to 6 pm. It is recommended to visit during daylight hours for the best experience.

As for contact information, La Bufadora does not have a specific phone number as it is a natural attraction. However, the Ensenada Tourism Office can provide more information about visiting the area. Their phone number is +52 646 238 1646.

3. There is no entrance fee to visit La Bufadora itself. It is free and open to the public. However, parking fees may apply, usually around 20-30 pesos (approximately $1-1.50 USD).

Ensenada is approximately a 90-minute drive from San Diego, California. Many tourists opt to take a guided tour or hire a taxi or local driver to reach La Bufadora. There are also public buses available from downtown Ensenada that can take you to the blowhole. It is important to note that the area can get crowded, especially on weekends and holidays, so it is advisable to plan your visit accordingly.