# Image credits

All photographs are from Wikimedia Commons and are used under the licenses below. They were resized and recompressed to WebP (800/1200/1600/2400 px wide); no other changes were made.

| File (images/) | Used in | Original | Author | License |
|---|---|---|---|---|
| hero-yufuin-*.webp | Hero | [Yufuin Onsen -Musōen 02.jpg](https://commons.wikimedia.org/wiki/File:Yufuin_Onsen_-Mus%C5%8Den_02.jpg) | Yasuhiro from Tokyo, Japan | [CC BY 2.0](https://creativecommons.org/licenses/by/2.0/) |
| kusatsu-yubatake-*.webp | 01 What is an onsen | [251129 Yubatake, Kusatsu 17.jpg](https://commons.wikimedia.org/wiki/File:251129_Yubatake,_Kusatsu_17.jpg) | Aspere | [CC0](https://creativecommons.org/publicdomain/zero/1.0/) |
| yufuin-steam-*.webp | 02 Feel the warmth | [Yufuin Onsen -Musōen.jpg](https://commons.wikimedia.org/wiki/File:Yufuin_Onsen_-Mus%C5%8Den.jpg) | Yasuhiro from Tokyo, Japan | [CC BY 2.0](https://creativecommons.org/licenses/by/2.0/) |
| mountain-bath-*.webp | 03 Mountain onsen | [Spa Sandogoya, outdoor bath Tabako, Nasushiobara, Tochigi.jpg](https://commons.wikimedia.org/wiki/File:Spa_Sandogoya,_outdoor_bath_Tabako,_Nasushiobara,_Tochigi.jpg) | 黒ゆり | [CC BY-SA 3.0](https://creativecommons.org/licenses/by-sa/3.0/) |
| ocean-furofushi-*.webp | 03 Ocean-view onsen | [Furofushi-spa.jpg](https://commons.wikimedia.org/wiki/File:Furofushi-spa.jpg) | Hitachi-Train (talk) | [CC BY-SA 3.0](https://creativecommons.org/licenses/by-sa/3.0/) |
| snow-tsurunoyu2-*.webp | 03 Yukimi-buro | [Tsurunoyu Onsen 03.jpg](https://commons.wikimedia.org/wiki/File:Tsurunoyu_Onsen_03.jpg) | Fumiaki Yoshimatsu from Tokyo, Japan | [CC BY-SA 2.0](https://creativecommons.org/licenses/by-sa/2.0/) |
| autumn-nyuto-*.webp | 03 Autumn leaves | [Nyuto Onsen - NyutoOnsen7043.jpg](https://commons.wikimedia.org/wiki/File:Nyuto_Onsen_-_NyutoOnsen7043.jpg) | lumoplank | [CC0](https://creativecommons.org/publicdomain/zero/1.0/) |
| kurokawa-bath-*.webp | 04 Rotenburo (hero) | [Kurokawa-onsen.jpg](https://commons.wikimedia.org/wiki/File:Kurokawa-onsen.jpg) | Igorberger | [CC BY-SA 3.0](https://creativecommons.org/licenses/by-sa/3.0/) |
| stone-bath-*.webp | 04 Rotenburo (stone bath) | [コタン温泉露天風呂 - panoramio.jpg](https://commons.wikimedia.org/wiki/File:%E3%82%B3%E3%82%BF%E3%83%B3%E6%B8%A9%E6%B3%89%E9%9C%B2%E5%A4%A9%E9%A2%A8%E5%91%82_-_panoramio.jpg) | y.moroi | [CC BY 3.0](https://creativecommons.org/licenses/by/3.0/) |
| spring-kinosaki-*.webp | 05 Spring | [Cherry blossoms in Kinosaki Onsen.jpg](https://commons.wikimedia.org/wiki/File:Cherry_blossoms_in_Kinosaki_Onsen.jpg) | Samchan91 | [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/) |
| summer-rotenburo-*.webp | 05 Summer | [婦人露天風呂.jpg](https://commons.wikimedia.org/wiki/File:%E5%A9%A6%E4%BA%BA%E9%9C%B2%E5%A4%A9%E9%A2%A8%E5%91%82.jpg) | 由井秀文 | [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/) |
| autumn-tsurunoyu-*.webp | 05 Autumn | [Tsurunoyu Onsen photographed in autumn 2022 (1).jpg](https://commons.wikimedia.org/wiki/File:Tsurunoyu_Onsen_photographed_in_autumn_2022_(1).jpg) | 掬茶 | [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/) |
| snow-tsurunoyu-*.webp | 05 Winter | [Tsurunoyu Onsen 02.jpg](https://commons.wikimedia.org/wiki/File:Tsurunoyu_Onsen_02.jpg) | Fumiaki Yoshimatsu from Tokyo, Japan | [CC BY-SA 2.0](https://creativecommons.org/licenses/by-sa/2.0/) |
| arrival-snow-*.webp | 06 Step 1 | [Matsunoyama Onsen ryokan entrance 20260115.jpg](https://commons.wikimedia.org/wiki/File:Matsunoyama_Onsen_ryokan_entrance_20260115.jpg) | KQuhen | [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/) |
| yukata-town-*.webp | 06 Step 2 | [温泉たまご (46347383121).jpg](https://commons.wikimedia.org/wiki/File:%E6%B8%A9%E6%B3%89%E3%81%9F%E3%81%BE%E3%81%94_(46347383121).jpg) | Andy Atzert from Jersey City, NJ, United States | [CC BY 2.0](https://creativecommons.org/licenses/by/2.0/) |
| kusatsu-maple-night-*.webp | 06 Step 3 | [Kusatsu Onsen, Gunma Prefecture; November 2018 (16).jpg](https://commons.wikimedia.org/wiki/File:Kusatsu_Onsen,_Gunma_Prefecture;_November_2018_(16).jpg) | 雷太 | [CC BY 2.0](https://creativecommons.org/licenses/by/2.0/) |
| kakeyu-wash-*.webp | 06 Step 4 | [露天風呂 (80887123).jpg](https://commons.wikimedia.org/wiki/File:%E9%9C%B2%E5%A4%A9%E9%A2%A8%E5%91%82_(80887123).jpg) | Jeremy Hall | [CC BY 2.0](https://creativecommons.org/licenses/by/2.0/) |
| indoor-nozawa-*.webp | 06 Step 5 | [Inside a Nozawa Onsen bath house.jpg](https://commons.wikimedia.org/wiki/File:Inside_a_Nozawa_Onsen_bath_house.jpg) | Zacharymccune | [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/) |
| ryokan-room-*.webp | 06 Step 6 | [Interior of a ryokan room (2999708441).jpg](https://commons.wikimedia.org/wiki/File:Interior_of_a_ryokan_room_(2999708441).jpg) | ㇹヮィㇳ | [CC BY 2.0](https://creativecommons.org/licenses/by/2.0/) |
| coffee-milk-*.webp | 06 Step 7 | [Yamamura Coffee Milk.jpg](https://commons.wikimedia.org/wiki/File:Yamamura_Coffee_Milk.jpg) | Miyuki Meinaka | [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/) |
| kurokawa-night-*.webp | Interlude: onsen town at night | [Kurokawa-Onsen Light-up.jpg](https://commons.wikimedia.org/wiki/File:Kurokawa-Onsen_Light-up.jpg) | MaedaAkihiko | [CC0](https://creativecommons.org/publicdomain/zero/1.0/) |
| beppu-umijigoku2-*.webp | 07 Beppu | [Beppu Umi-jigoku04n4272.jpg](https://commons.wikimedia.org/wiki/File:Beppu_Umi-jigoku04n4272.jpg) | 663highland | [CC BY 2.5](https://creativecommons.org/licenses/by/2.5/) |
| kusatsu-yubatake2-*.webp | 07 Kusatsu | [251130 Yubatake, Kusatsu 10.jpg](https://commons.wikimedia.org/wiki/File:251130_Yubatake,_Kusatsu_10.jpg) | Aspere | [CC0](https://creativecommons.org/publicdomain/zero/1.0/) |
| kinosaki-night-*.webp | 07 Kinosaki | [161029 Kinosaki Onsen Toyooka Hyogo pref Japan01s.jpg](https://commons.wikimedia.org/wiki/File:161029_Kinosaki_Onsen_Toyooka_Hyogo_pref_Japan01s.jpg) | 663highland | [CC BY 2.5](https://creativecommons.org/licenses/by/2.5/) |
| dogo-honkan-*.webp | 07 Dōgo | [Dogo onsen honkan long exposure.jpg](https://commons.wikimedia.org/wiki/File:Dogo_onsen_honkan_long_exposure.jpg) | Japanexperterna.se | [CC BY-SA 3.0](https://creativecommons.org/licenses/by-sa/3.0/) |
| hakone-ashi-*.webp | 07 Hakone | [Lake Ashi & Mt Fuji & Hakone Shrine.jpg](https://commons.wikimedia.org/wiki/File:Lake_Ashi_%26_Mt_Fuji_%26_Hakone_Shrine.jpg) | Charlie fong | [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/) |
| ginzan-twilight-*.webp | 08 Ending | [Evening twilight in Ginzan Onsen town January 2022 A.jpg](https://commons.wikimedia.org/wiki/File:Evening_twilight_in_Ginzan_Onsen_town_January_2022_A.jpg) | さかおり | [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/) |