Europe's most natural

What follows is a list of Europe's most natural soaks. 

What makes a soak natural? The ability to soak au-naturel, soaks that are free or enterable for a small fee, are little enhanced with significant natural surroundings (open air) or are attractive due to historic / significant surroundings.

Albania

•  Gjirokastër: Benja (natural)

Armenia

• Ankavan (rustic to pay for ramshackle)
• Azrakan (ramshackle)
• Hanqavan/Hankavan (enclosed, still quite primitive bathing place)
• Karvachar (free and natural) 
• Sisian: Vorotan (little enhanced, free)

Austria

• Kärnten: Maibachl, Villach (seasonal, natural)

Azerbaijan

• Baku: Qobustan (mud volcano's)
• Lankaran: Masalli-Istisu (old sanatorium with free baths)
• Qonakend: Jimi (remote, free bath)

Bosnia

• Ilidza (small free pool, somewhat enhanced)

Bulgaria

• Blagoevgrad: Rupite (free, natural)
• Pazardzhik: Topiltsata (Velingrad, several pools with nominal or free of charge)
• Plovdiv: Estestven Izvor (Hisarya, warmish pool in meadow)
• Smolyan: Bedenski Bani (riverside free hot pool)
• Varna (beachside pool, fee paying)
• Veliko Tarnovo: Toplata voda (Shistov, free and rustic)

Croatia

• Varaždinske Toplice (Roman remains, soaking attributes?)
  

Czech Republic

• Ústí nad Labem: Teplice (natural)
  

France

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• Auvergne: La Bourboule (free, enhanced riverside tub)
• Cantal: Chaude Aigues (many streetside fountains)
• Corsé: Ajaccio-Bains de Guitera (free, natural, tub)
• Corsé: Aleria-Bains de Pietrapola (free, singular shower)
• Corsé: Sartene-Caldane (small fee, little enhanced pool) 
• Hautes-Alpes: Plan de Phazy (warm spring, free, open air)
• Landes: Le Trou de Madame (small pool, warm (30°C), free)
• Languedoc: Bain de Saint Thomas (fee-paying, outside, enhanced (not really wild))
• Languedoc: Bains de Dorres (fee-paying, outside site)
• Languedoc: Balaruc-les-Bains (free, small pool next to lagoon) 
• Languedoc: Canaveilles (see below for an impression!)
• Languedoc: Les Bains de Llo (fee-paying, outside)
• Languedoc: Prats Balaguer (free, no development, truly wild)
• Languedoc: Rennes-les-Bains (spout along riverside in village, free)
• Languedoc: Thuès-Entre-Valls (free and wild)
• Midi-Pyrénées: Merens Les Vals (free, natural)
• Pays-Basque: Gamere / Camou (free, cave entrance)
• Vosges: Chaude-Fontaine (small tub, 21°C, year round)

Bains de Canaveilles, source

Georgia

• Imereti: Vani (open air, free)
• Samegrelo-Zemo Svaneti: Nokalakevi (open air, free)
• Samtskhe-Javakheti: Borjomi (open-air concrete pool)
  
• Samtskhe-Javakheti: Vardzia (makeshift bath house)
• Tbilisi (many ancient but still functioning sulphur bathhouses)
  

Greece

• Attica: Methana (small seaside pool in cliffside)
• Central Geece: Damasta (little enhanced, free)
• Central Greece: Evia - Epidos/Aidipsos (beach hotspring)
• Central Greece: Evia - Gialtron (beach hotspring)
• Central Greece: Kallyntika (enhanced, free) 
• Central Greece: Koniavitis (enhanced, free) 
• Central Greece: Thermopylae (free, faded development)
• Chios: Agia Markelle (beach hot spring)
• Drama: Termies (free, little enhancement)
• Edessa: Loutra Pozar (fee-payment, open-air some wild)
• Ikaria: Loumakia (free, beachside)
• Ikaria: Agia Kyriaki (beach hot spring)
• Kavala: Eleftheron (free, faded development)
• Kea: Kynthos - Thermia (ancient / enhanced)
• Kimolos - Prasa (beachside hot spring)
• Kos: Agios Fokas (beach hot spring)
• Kos: Agia Irini (beach hot spring)
• Kos: Nisyros - Avlaki (beach hot spring)
• Lemnos (Limnos):  Agiasma (enhanced with mud bath)
• Lesvos: Eftalou (enhanced, ancient)
• Lesvos: Panagia (free, bath tub)
• Lesvos: Loutra Geras (fee-paying, ancient)
• Lesvos: Polychnitos
• Milos: Aliki (beach hot spring)
• Milos: Lutra Lukkou (enhanced)
• Milos: Paleochori (beach hot spring)
• Milos: Tria Pigadia (beach hot spring)
• Samotharki: Therma (free, little enhanced)
• Samotharki: Pigi Frikion (free, wild)
• Samotharki: Pigi Podoloutron (fee, open-air)
• Santorini: Palea (free, wild, only reachable by boat)
• Santorini: Plaka (free, little enhanced)
• Serres: Agistro (ancient)
• Xanthi: Termes (free, older development, newer facilities also available)

 Eleftheron

Hungary

• Heves: Egerszalók (salt mountain with fee paying open air pools, maybe not so natural)
• Northern Hungary: Miskolctapolca (fee-paying hot spring cave)
• Zala: Heviz (fee paying, natural hot spring lake)
• Zala: Heviz (adjacent to thermal lake, overflow into small stream, free)

Iceland

• East: Laugarfell (small natural pool)
• Northeast: Ostakarið (tub with natural thermal water)
• Northeast: Hólsgerði (small hot pool) 
• Northwest: Biskupslaug (natural small pool)
• Northwest: Hveraborg (natural pool, free)
• Northwest: Grettislaug (stone lined pool) 
• Northwest: Reykjavellir (small natural hot pool)
• Reykjanes: Skátalaug (natural pool)  
• Snaefellsnes: Landbrotalaug (natural small tub, free)
• South: Seljavellir (natural swimming pool fed by hot spring, free)
• Southeast: Hveravellir (natural pool, free) 
• Southwest: Gunnuhver (geothermal plant overflow, free)
• Southwest: Hveragerði (natural warm river) 
• Southwest: Marteinslaug (natural pool, free) 
• Southwest: Rjúpnabrekkur / Rekjadalur (hot river, various soakable places) 
• Southwest: Sundlaug (natural hot spring pool)   
• West: Grafarlaug (swimming pool with warmish water)
• Westfjords: Drangsnes (open air hot tubs)
• Westfjords: Hellulaug (small hot pool) 
• Westfjords: Hörgshlíð (small hot tub)
• Westfjords: Nautaeyri (natural small pool)
• Westfjords: Pollarin (small tub)
• Westfjords: Reykjafjörður (large pool, free) 

'Rjúpnabrekkur, wasserfallbaedli'

Source

  

Italy

• Ascoli: Lu Vurghe (free, wild, though only warm ...)
• Calabria: Caronte (free, wild, slightly enhanced, spa overflow)
• Calabria: Grotte delle Ninfe (warmish developed springs with mud and original hot water cave)
• Campania: Ischia-Nitrodi (hot showers, but expensive!)
• Campania: Ischia-Sant'Angelo (fumarole on the beach)
• Campania: Ischia-Sorgeto (beach hot spring)
• Lazio: Castelforte-Suio (pools) 
• Lazio: Civitavecchi-Ficoncella (cheap and enhanced)
• Lazio: Viterbo-Il Bagnaccio (free, slightly enhanced)
• Lazio: Viterbo-Bullicame (free and wild) 
• Lazio: Viterbo-Picines Carletti (free and wild)
• Lombardy: Bormio-La Pozza (small, wild riverside soak)
• Lombardy: Sirmione (overflow from commercial op., seasonal)
• Piemonte: Craveggia (ruins, but with a tepid soak)
• Sicily: Aeoli, Vulcano-Fanghi di Vulcano (small fee, open air geothermal hot spring with hot spring off-shore)
• Sicily: Aeoli, Lipari-San Calogero (free, very small pool)
• Sicily: Pantelleria-Bagno Asciutto (free, sauna cave)
• Sicily: Pantelleria-Gadir (beachside thermal pool)  
• Sicily: Pantelleria-La Vela (small seaside tub)  
• Sicily: Pantelleria-Nikà (sea springs) 
• Sicily: Pantelleria-Sateria (cave springs)
• Sicily: Pantelleria-Scauri (inside port area)
• Sicily: Pantelleria-Venere lake (free mildly warm large lake with lots of thermal mud!) 
• Sicily: Sclafani Bagni (smallish, free and wild)
• Sicily: Terme di Segesta (open air sulphur stream)
• Toscana: Acqua Borra (being restored?)
• Toscana: Bagni di Lucca (enhanced/ruins?)
• Toscana: Bagni di San Filippo (free use of hot stream)
• Toscana: Bagni di Petriolo 
• Toscana: San Casciano (concrete pool)
• Toscana: Sasso Pisano (concrete pool / natural pool)
• Toscana: Saturnia (fee-paying, natural) 
• Toscana: Vignoni (lake, enhanced, but no usage?; but some free usage possible)

Saturnia. Source

Macedonia

• Northeast: Staro Nagoričane - Strnovac (lesser developed pond)
• Skopje: Petrovec - Katlanovo (cave spring)
• Smokvica (free shower at pipe head)
• Southwest: Debar - Banjishte (more undeveloped nearby?)
• Stip, Novo Stelo - Ldzi (low flow hot spring, drinking only?)
• Strumica, Bansko - Parilo (hot pipe, no bathing, byo?)
  

Portugal

• Azores: Flores-Agua Quente (remote and wild)
• Azores: Graciosa-Termas do Carapacho (geothermal seaside pool)
• Azores: São Miguel-Caldeira Velha (natural pool, fee required)
• Azores: São Miguel-Caldeiras da Ribeira Grande (small open air pool)
• Azores: São Miguel-Poça da Dona Beija (naturally enhanced, fee required)
• Azores: São Miguel-Termas da Ferraria (free and natural hot springs in sea inlet)
• Azores, São Miguel-Furnas: Terra Nostra (hot pond, fee required)
• Viseu: Sangemil / Alcafache (geothermal springs in river)

'Caldeira veiha - Natural warm water (30 C degrees). AZores'

Source

Romania

• Bihor: Livada di Bihor (soak / campsite)
• Caras: Baile Herculane (many open air pools, most free)
• 
  

Serbia

• Jošanice Banja (a few less developed and freely available springs)
• Knjaževačka (warm water stream, freely available)
• Lukovska Banja (a few free concrete outdoor tubs with muddy thermal water)
• Sokobanja (ancient hamam)
• Zdrelo (pipehead shower; not very natural) 

Slovakia

• Kalameny (free, thermal lake in forest)

Spain

• Almeria: Balsa de Cela (free, 22-24°C)
• Almeria: Baños de Sierra Alhamilla (traditional bath house)
• Cantabria: La Hermida (free, natural, riverside pool)
• Castellon: Montanejos (free, riverside pool, 25°C)
• Catalunya: Jafre (small pool (not))
• Catalunya: Fontcalda (natural pool with warm water 28°C, free)
• Granada: Alhama de Granada (free, spa overflow)
• Granada: Alicun (free, spa overflow) 
• Granada: Balneario de Zujar (man made, small fee, sometimes lake nearby (free))
• Granada: Santa Fe (free, wild)
• Huesca: Baños de Benasque (free ancient tub?)
• Malaga: Casares, La Hedionda (free, ancient)
• Murcia: Saladillo / Mazzaron (free, wild) 
• Ourense: Bande (free, wild)
• Ourense: Chavasqueira (free, enhanced)
• Ourense: Pozas do Muiño das Veigas (free, enhanced)
• Ourense: Ribadavia (free, natural)
• Ourense: Tinteiro (free footbaths)
• Ourense: Torneiros (enhanced) 
• Rioja: Arnedillo (free, natural, riverside)
• Teruel: Ariño (22°C, free, enhanced)
• Valancia: Ontiyent (not even warm, but very natural)
• Zaragosa: Alhama de Zaragoss (hot lake?)
• Zaragosa: Tiermas, Yesa (free, wild, dependent on lake levels, great mud)

 Santa Fe: wild and free, but so natural as you wish ... Source

Switzerland

• Aargau: Baden, Limmat riverside baths (free, modern and hot)

Turkiye

• Eskişehir: Uyuzhamam (free, abondonded thermally sourced hamam)
• Eskişehir: Yaprakhisar (free, hot spring bath)

Ukraine

• Crimea: Arabat (open air, little enhanced, fee payment required)

If you know any others feel free to contact me!