1. The Devil’s Door, also known as Puerta del Diablo, is a popular landmark located in San Salvador, the capital city of El Salvador. It is a natural rock formation situated on the mountains of San Salvador, providing breathtaking panoramic views of the surrounding landscape.

The Devil’s Door got its name for its eerie appearance, resembling a door that leads into the abyss. According to local folklore, it’s believed that this place was once a portal to the underworld. Legend has it that if you knock on the door three times and say \"Open, Devil, open,\" it will open and take you straight to hell.

Aside from its mystical legends, the Devil’s Door is also a favorite spot for locals and tourists to admire the stunning views of the city and the Pacific Ocean. It is located at an altitude of approximately 1,200 meters, offering a cool and refreshing climate compared to the city below.

2. The Devil’s Door is a popular tourist attraction and is accessible all year round. There are no specific working hours for this natural site as it is an open area. Visitors can access it anytime during daylight hours.

For any inquiries or further information, it is recommended to contact the local tourist information center in San Salvador or do an online search for updated contact details.

3. There is no entrance fee or ticket required to visit the Devil’s Door in San Salvador. However, visitors should note that transportation to and from the site is not readily available. It is recommended to hire a taxi or a private vehicle to reach the location. The site is around 20 kilometers from downtown San Salvador, and the road leading to it can be narrow and winding, so caution should be exercised.