CANTABRIA, SPAIN
CASTILLA TERMAL SOLARES
Where raw mineral springs meet sovereign well-being.
About Castilla Termal Solares
A Belle Époque spa hotel built over Cantabria's first thermal spring.
Castilla Termal Solares occupies a restored Belle Époque spa building set within gardens of centuries-old trees, twenty minutes from Santander. The hotel stands over the Fuencaliente spring, whose mineral-medicinal waters have drawn visitors to Solares since the 18th century. Its 113 rooms and full thermal circuit sit within what was once Cantabria's first spa town.
Enquire NowWellness & Spa
A spa built on a working thermal spring
The spa draws on the Fuencaliente spring, where the waters emerge at a constant 29.8°C and have been used for treatment since the 18th century. Wellness retreats run from single massages to fourteen-day thermal cures.
- Thermal pool fed by the Fuencaliente spring at a constant 29.8°C
- Contrast Circuit inspired by the Roman Baths of Caracalla
- Facial treatments by Natura Bissé
- Traditional Thai massage & Reflexology
Dining
Cantabrian cooking, market led!
El Manantial Gastrobar serves traditional Cantabrian cuisine built on market produce, fresh fish and grilled meats. A Lobby Gastrobar and seasonal terrace offer lighter options. Guests can also eat at the Solares Summer Terrace and Gastrobar Solares.
- El Manantial Gastrobar, market led Cantabrian cuisine
- Solares Gastrobar, a lobby bar overlooking the garden
- Solares Summer Terrace, seasonal service
- Local, seasonal produce and fresh market fish
Accommodation
113 rooms, each with garden views
Start your day on the balcony, as you are privy to views of the estate's centuries-old trees. Categories run from Double rooms to Suites, with hydromassage baths in Superior rooms and private lounges in the Junior Suites.
- 113 rooms, all with exterior views
- Double, Superior, Triple, Junior Suite and Suite categories
- Balcony or terrace in every room
- Hydromassage bathtub in Superior Rooms
- Private lounge in Junior Suites
Getting Here
Solares, Cantabria
Solares sits in Cantabria's Trasmiera region, 20 minutes from Santander and its beaches. The hotel stands within a park of centuries-old trees, close to the Cabárceno Nature Park.
- Santander (Seve Ballesteros) Airport, 13km
- Santander, 20 minutes
- Mataleñas Municipal Golf Course, 25 minutes
- Cabárceno Nature Park, 15 minutes
- Bilbao, 60 minutes
Retreats
A retreat menu built on the Fuencaliente spring
The spa is built over the Fuencaliente spring, whose mineral-medicinal waters have been used for treatment since the 18th century. Two treatment rooms sit alongside an indoor thermal pool holding over 850,000 litres of spring water, a seasonal outdoor pool, sauna, hammam and the Roman-style Contrast Circuit. The treatment menu adds facials by Natura Bissé, traditional Thai massage and the signature Solares Massage.
Tailored wellness retreats: seven structured programmes ranging from 3 to 14 nights, each specifically designed around targeted options.
- Relax Retreat, Unwind & Rest, 3 Nights
- Anti-stress Retreat, Utter Relaxation, 3 Nights
- Essential Face & Body Retreat, Targeted Rejuvenation, 3 Nights
- Detox Retreat, Cleansing Journey, 4 Nights
- Essential Couples Retreat, Twice the Spice, 3 Nights
- Weight Loss Retreat, Cleansing Journey, 7 or 14 Nights
- Osteoarticular Retreat, Specialist Medical, 4 Nights
What’s Included
Everything taken care of
Breakfast
Breakfast included each morning of your stay.
Airport Transfers
Return transfers between Santander Seve Ballesteros Airport and the hotel.
Thermal Pool
Unlimited access to the recreational pools, thermal pool and Roman-style Contrast Circuit.
Guide Price
From £475 per person
Rates shown per person, based on a 7-night stay, including breakfast and airport transfers. Rate varies by season, room type and occupancy, contact us for a tailored proposal.
Low Season
High Season
