5 minutesThe sparkles: every evening after dusk for 5 minutes at the beginning of each hour. As the lights are switched off at 11.45pm, they will sparkle for the last time at 11pm.
How long does it take up the Eiffel Tower?
It is advisable to plan a visiting time of at least 1 1/2 hours for visit to the 1st and 2nd floors and 2 1/2 hours for a visit to the top. Your visiting time will also depend of your choice of way to ascent from the ground to the second floor : by lift or stairs.
Is it hard to walk up the Eiffel Tower?
The tower's summit can only be reached via elevator, but its first two levels are accessible through a series of winding staircases inside its pillars — 327 steps to the first level and then 347 to the second (that's 674 total if you're counting). It might sound hard, but climbing the tower is easier than you'd think.