Spas with walk-ins welcome

Baden bei Wien, Lower Austria

A thermal bath in Bad Vöslau with four mineral-water pools fed by the original Vöslauer spring, plus sauna and steam room.

Bad Kissingen, Bavaria

A Bavarian state-run thermal bath in Bad Kissingen offering day passes with walk-in access, open most days including evenings.

Portland, Oregon

A walk-in bathhouse in Portland's Hazelwood neighborhood with a sauna, open daily from 10 a.m. to 10 p.m. for adults only.

Băile Felix, Bihor

A thermal baths complex in Băile Felix with outdoor and indoor pools, open daily with walk-in access and no membership required.

Loutraki, Peloponnese

A municipal thermal-water bathhouse in Loutraki, built in 1921 and decorated with 1930s mosaics, open Wednesday to Sunday with walk-ins welcome.

Sapporo, Hokkaido

A neighborhood public bathhouse in Sapporo's Chuo Ward, open daily from 7am to 1am, with shampoo and body soap provided and walk-ins welcome.

Brussels

A walk-in sauna and bathhouse on Rue du Marché au Charbon in central Brussels, open into the early morning on weekdays.

Dead Sea, Balqa

Resort spa on the Dead Sea shore with 40 treatments, thermal pools, sauna and steam, open to day guests aged 16 and up.

San Francisco, California

An adults-only bathhouse in San Francisco's Tenderloin with a thermal pool and an on-site restaurant, open daily except Tuesdays.

Vienna

A day-pass bathhouse on Handelskai in Leopoldstadt with a sauna and thermal pool, open daily 10am–10pm.

Mornington Peninsula, Victoria

A walk-in bathhouse in Dromana on the Mornington Peninsula offering sauna sessions, open daily and priced affordably.

Reykjavik, Capital Region

An oceanfront thermal bath in Kópavogur near Reykjavik, open daily with outdoor pools facing the sea and walk-in day passes.

Icheon, Gyeonggi

A moderately priced thermal bath complex in Icheon, Gyeonggi, open for day-pass soaking most days except Tuesday and Wednesday.

Bath, England

A small open-air thermal pool in a separate building from Thermae Bath Spa's main complex, with its own changing rooms and day-pass access.

Windermere, England

A sauna-based bathhouse at Windermere Marina Village in Bowness-on-Windermere, open daily with walk-ins and day passes welcome.

Poços de Caldas, Minas Gerais

A budget-friendly thermal bath house in downtown Poços de Caldas open for walk-in day passes most days except Monday and Tuesday.

St. Moritz, Grisons

A budget-friendly bathhouse in St. Moritz offering sauna access on a walk-in basis, open daily from 8:30am to 10:30pm.

Dublin, Leinster

A walk-in sauna bathhouse for adults in Grangegorman, Dublin 7, open daily with no booking required.

Caldas Novas, Goiás

A budget municipal thermal bath in central Caldas Novas, open weekdays only with a midday break, no weekend hours.

Quito, Pichincha

Family-friendly thermal baths on the slopes of Ilaló outside Quito, open for day visits most days except Monday and Tuesday.

Ranong

A budget thermal-bath spot in Ranong with a soaking pool and an on-site café, open daily 9am to 10pm, walk-ins welcome.

Tampere, Pirkanmaa

A budget-friendly public sauna and bathhouse in Tampere, open to walk-ins but reservations are also an option.

Papallacta, Napo

Budget thermal baths in Papallacta open for walk-in day passes daily, with much shorter hours on Sunday.

Luso, Centro

Thermal baths in Luso, Centro Portugal, open for walk-ins and day passes six days a week, closed Sundays.