das Freibad
outdoor pool
A public swimming facility with pools in the open air, usually open only during the warm months.
An heißen Tagen gehen wir oft ins Freibad, um uns abzukühlen.
On hot days, we often go to the outdoor pool to cool off.

outdoor pool
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outdoor pool
A public swimming facility with pools in the open air, usually open only during the warm months.
An heißen Tagen gehen wir oft ins Freibad, um uns abzukühlen.
On hot days, we often go to the outdoor pool to cool off.

'Freibad' (outdoor pool) is made up of 'frei' (free/open) and 'Bad' (bath/pool). In this context, 'frei' means 'im Freien' (outdoors) or 'unter freiem Himmel' (in the open air), so it refers to a swimming pool that is not inside a building.
Bei gutem Wetter ist das Freibad immer voll.
When the weather is good, the outdoor pool is always full.
Pay attention to the prepositions: you go 'ins Freibad' (to the outdoor pool; accusative for direction), but you are or swim 'im Freibad' (at/in the outdoor pool; dative for location).
Lass uns morgen ins Freibad gehen!
Let's go to the outdoor pool tomorrow!
The word 'Freibad' (outdoor pool) is inseparably linked with summer and warm weather. It is used almost exclusively when talking about leisure activities in the warm season.
Sobald die Temperaturen steigen, öffnet das Freibad.
As soon as the temperatures rise, the outdoor pool opens.
swimming pool
'das Schwimmbad' and 'das Freibad' both refer to a place with pools where you can swim or bathe. 'Schwimmbad' is the more general term and can mean an indoor pool, an outdoor pool, or even a private facility. 'Freibad' is more specific: it is outdoors in the open air and is usually open in summer. The words can be confused because every Freibad is a Schwimmbad, but not every Schwimmbad is a Freibad. If it is important that the place is outdoors, it is better to say 'Freibad'.

Im Juli ist das Freibad jeden Tag bis acht Uhr geöffnet.
In July, the outdoor pool is open every day until eight o'clock.
Nach der Arbeit gehen wir noch eine Stunde ins Schwimmbad.
After work, we are going to the swimming pool for another hour.