Sacré Coeur is a white-domed basilica sitting at the highest point in Paris, drawing around 10 million visitors a year. The view outside beats anything inside.
Montmartre's most famous landmark is genuinely stunning, but 10 million people a year have figured that out. The basilica itself is almost beside the point — what you're really here for is the terrace and the sweeping view over Paris's rooftops. How you time it decides everything.
Yes — but only if you go at dawn or seek out the quieter viewpoint nearby rather than joining the midday crowd on the main steps.
Entry to the basilica itself is free — prices move for any additional access, so check before you go.
Get there early in the morning when the hill is quiet, take in the terrace view over the Paris rooftops, then walk down toward Abesses for coffee in the neighborhood locals actually use.