Unmanned picnic gear rental with wagon at Han River, Mapo: Picnic List
Picnic List Mangwon is an unmanned picnic gear rental shop right at the entrance to Mangwon Hangang Park in Mapo, Seoul. The basic set is ₩10,000 for 3 hours (4 hours with a Naver review), letting you self-select a one-touch sunshade, wagon, backrest chair, and disposable dishware, then pay by QR code and go. Recommended if you want to head to the Han River for a picnic with your hands free.

