I tried solo camping for the first time and it was surprisingly fun.
Usage
ソロ is widely used as a modifier with の or as a prefix: ソロ活動 (solo activities), ソロキャンプ (solo camping), ソロ旅行 (solo travel). The word ソロ活 (solo activities as a lifestyle) has become a popular term describing people who enjoy doing things alone.
Common collocations
ソロ活動: solo activities (especially in music/entertainment)