an outdoor bath, often at a naturally occurring hot spring

place, location / site (location designated for some purpose) / space, room / a seat / (sumo) tournament

to relax

relaxing

the highest; the best; supreme; the greatest

nature / spontaneity

(sumo) official sumo tournament

the arrival of the sumo wrestlers at the tournament venue

inside

中々: very, quite, considerably, rather, by no means (with negative verb)