all-in-one-seo-pack domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /home/tabitokuoita/visit-oita.jp/public_html/tabitoku/wp/wp-includes/functions.php on line 6114all-in-one-wp-security-and-firewall domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /home/tabitokuoita/visit-oita.jp/public_html/tabitoku/wp/wp-includes/functions.php on line 6114wp-pagenavi domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /home/tabitokuoita/visit-oita.jp/public_html/tabitoku/wp/wp-includes/functions.php on line 6114
駐車場から歩いて約5分のところには伽藍岳の火口があり、噴気たち昇る迫力ある姿を間近に見学することができます。伽藍岳（がらんだけ）の中腹には「塚原温泉」があります。酸性度の高さ、アルミニウムイオンの多さは日本第２位、鉄イオン含有量の多さは、日本第１位と言う非常に個性的な泉質を持つ、知る人ぞ知る由布院の秘湯です。
レモンよりも数十倍強いと言われている強酸性のお湯は、石鹸が泡立たたないほどで、湯に浸かるとピリッとした刺激があります。アトピー性皮膚炎などの皮膚病に効果があり、日本全国より湯治客が訪れます。
風呂は、内風呂、露天風呂、家族風呂の3種類あります。（2022.11）
