“Go on a weekday” is the advice anyone gets when they ask how to avoid the crowds in the Dolomites. It is sensible advice, and we gave it too. Then we measured.
We took 93 valid days of readings at Passo Sella, from 1 June to 15 September, and ranked the seven days of the week by how often the car park dropped to zero free spaces. The result is a table with two days at the top, Tuesday and Friday, but one that does not separate weekdays from the weekend at all.
The ranking, from the quietest day to the busiest
The criterion is simple: for each day of the week, on how many of the observed days the Passo Sella car park, with its 199 spaces, dropped to zero. We only count valid days, the ones when the sensor was working: 93 out of 107, which means between 12 and 15 for each day of the week.
Tuesday and Friday are the quietest days, level with each other. The other five sit between 67 and 85 per cent: Monday and Thursday are a little quieter than Sunday, and Wednesday filled almost as often as Saturday, which undermines the idea that the weekend is the problem. With 12 to 15 days for each weekday, though, a single day moves the percentage by seven or eight points: the ranking shows a tendency, not a rule.
- Tuesday: full on 7 days out of 13 (54%), on 4 of those 7 as early as between 9 and 10 am
- Friday: full on 7 days out of 13 (54%), most often between 11 am and noon
- Monday: full on 10 days out of 15 (67%), at scattered times between 9 am and 1 pm
- Thursday: full on 9 days out of 13 (69%), most often between 10 and 11 am
- Sunday: full on 11 days out of 14 (79%), on 9 of those 11 by 11 am, most often between 10 and 11
- Wednesday: full on 10 days out of 12 (83%), on 4 of them as early as between 9 and 10 am, on another 4 between 11 am and noon
- Saturday: full on 11 days out of 13 (85%), on 10 of those 11 by 11 am, on 5 as early as between 9 and 10
Between Saturday and Wednesday, the time barely changes either
Look at the time instead of the frequency and the difference stays small. On Saturdays the car park usually fills a little earlier than on Wednesdays: by 11 am it was already full on 10 of the 11 full Saturdays and on 6 of the 10 full Wednesdays.
An hour later the difference is gone: by noon the car park had filled on 11 Saturdays out of 13 and on 10 Wednesdays out of 12. Put simply, choosing the day makes far less difference than choosing the hour. Anyone who arrived before 9 am found a space even on a Saturday; arrive late in the morning and you risk finding it full even on a Wednesday.
That is why we also corrected the advice in our guide to driving the passes: avoiding the weekend helps, but much less than getting up early.
Why Tuesday and Friday are the exception
Tuesday and Friday are the days that break away most, and the most likely explanation lies in the rhythm of holiday stays. Much of the accommodation in the valley works on weeks that start and end on a Saturday or Sunday: Monday is the day for easy walks to find your legs, Wednesday the day for the long outings people have planned.
Tuesday falls in between, and it is also the day when many alpine dairy huts and some lifts close for their rest day; Friday, for many, is the day before they leave. These are hypotheses, not measurements: we count cars, not the intentions of the people driving them.
Even so, these are two days on which the car park fills more than one time in two, and when it fills on a Tuesday it does so early: on 4 of those 7 days it was already full between 9 and 10 am. They are no safe haven, just the least risky days.
How to use this ranking when you plan
If you can choose the day, go for Tuesday or Friday. But don't build the day around that choice: the variable that really counts is still your departure time, and in high season the only safe time at Passo Sella is before 9 am.
If your day is fixed, look instead at where to park: a few minutes away there are car parks that fill up only a fraction of the time, and we have listed them in our page on where to park in Val Gardena.
The figures come from the open data portal of the Autonomous Province of Bolzano, which publishes free spaces in real time but keeps no history: we record the series ourselves every day. Times are local and given as bands, because the series is hourly: an earlier version of this page gave them in UTC, two hours behind, and was corrected on 16 September 2026. The full picture of the season is in our analysis of how summer 2026 is going.
Frequently asked questions
What is the least crowded day to drive up to the passes?
Tuesday and Friday, level with each other: over the valid days, the Passo Sella car park filled on 7 out of 13 of each, against 11 out of 13 on Saturdays and 10 out of 12 on Wednesdays. Even so, on more than one Tuesday or Friday in two you will find it full.
Does avoiding the weekend really work?
Less than people think. On Wednesdays the car park filled almost as often as on Saturdays, and on Saturdays it usually fills only a little earlier. Monday and Thursday actually come out quieter than Sunday. Your departure time matters more than the day.
What time do you need to arrive?
In high season the only safe time at Passo Sella is before 9 am: before then, on the days we observed, it never filled. On more than one full day in three it was already full between 9 and 10, and that happened on every day of the week.
Do these figures apply to the other passes too?
The measurement covers Passo Sella, the only one of the big passes with a public sensor that records free spaces. At the other passes we can watch nearby car parks, but we have no direct figure and we don't present one as if we did.