Tipping a tour guide in Spain is not a "hard" requirement, but it is the "gold standard" for showing appreciation for an informative and engaging experience. For a half-day group tour, a tip of €5 to €10 per person is considered very generous and polite. If you are on a "Free Walking Tour," the tip is the guide's primary source of income, so a minimum of €10 to €15 per person is appropriate depending on the quality of the tour. For a private, full-day guide who provides personalized historical insights and logistics, a tip of €20 to €50 for the whole party is standard in 2026. Unlike in the U.S., tipping in Spain is more about the gesture of "thanks" rather than a percentage-based obligation. Guides at major sites like the Alhambra or the Sagrada Familia are often highly educated professionals, and while they receive a salary or fee, a small cash tip is a respected way to acknowledge their expertise. It is best to give the tip in cash at the very end of the tour, often accompanied by a sincere verbal compliment on their storytelling or local knowledge.