Seven Magic Mountains is an art installation located in the Nevada desert, and the weather can be quite hot and dry. Therefore, it is recommended to wear comfortable and breathable clothing, such as shorts, t-shirts, and sandals or sneakers. You may also want to bring a hat, sunglasses, and sunscreen to protect yourself from the sun. It's also a good idea to bring a bottle of water to stay hydrated. While there is no strict dress code, it's important to dress appropriately for the weather and wear comfortable shoes, as the installation is located in a desert terrain. Additionally, keep in mind that the installation is a popular tourist destination, so you may want to dress in a way that is respectful to others and appropriate for a public space.