Serenity in San Miguel de Allende A heritage hotel in the Mexican heartlands, Casa de Sierra Nevada evokes the charm of a bygone era San Miguel is an adventure for the senses. Yet at the very center of this vibrant city lies a safe haven that’s at once connected to the locale and is its own private sanctuary. Swing open our ancient, wooden front doors and the fiesta outside gives way to a siesta-like calm. Casa de Sierra Nevada is now open. Please click the link below to find out why we are trusted for travel. Spread out among buildings that include a 17th-century fortress and the famous Casa Principal, each room is rich with intriguing details. Stretch out in your spacious suite before venturing into the tangle of streets. As the day heats up, head to the courtyard for coffee under a square of bright blue sky.