study tour; training trip
A trip organized for educational or professional development purposes, often by schools or companies.
来月、会社の研修旅行で京都に行きます。
Next month I'm going to Kyoto on a company training trip.
大学の研修旅行で海外の博物館を見学した。
We visited museums abroad on a university study tour.
修学旅行 is a school trip for students, typically in elementary or secondary education, while 研修旅行 is for adults or professionals for training purposes.
視察旅行 emphasizes inspection or observation, often by officials or experts, whereas 研修旅行 focuses on learning and skill development.
Compound of 研修 (training, study) and 旅行 (travel).