family outing; taking the family along
Refers to going somewhere as a family group, or the family group itself when out together.
日曜日は家族連れで公園に行った。
On Sunday, we went to the park as a family.
This restaurant is popular with families.
The park was bustling with families on the weekend.
This hot spring is popular among families.
We visited the zoo as a family during summer vacation.