also: ゆうほこうはん
promenade deck
A deck on a passenger ship designed for walking and leisure, often open or partially covered.
I strolled along the promenade deck while gazing at the sea.
The promenade deck of this passenger ship is made of wood and has a wonderful atmosphere.
甲板 is a general term for 'deck' on a ship, while 遊歩甲板 specifically refers to a deck intended for walking and leisure.
Standard kanji form. The reading ゆうほこうはん is also possible but less common.
Alternate reading; ゆうほかんぱん is more usual.
Compound of 遊歩 (promenade, walking for pleasure) and 甲板 (deck). The reading ゆうほかんぱん is a straightforward combination; ゆうほこうはん may reflect an older or alternative reading of 甲板.