Olkaria Geothermal Spa
Fed by the Olkaria geothermal field, the spa is a set of open-air lagoons of naturally hot, mineral-rich water inside Hell's Gate National Park. The swimming lagoon is held at a comfortable warm-bath temperature and has both shallow and deeper sections, with technicians monitoring it through the day. Paired with a cycle through the park or the gorge walk it makes one of the best-value family days near Naivasha.
Good to know: You reach it through the park gate, so park entry fees apply — bring swimming things, water and sunscreen.
Photo: Lydur Skulason / CC BY 2.0 via Wikimedia Commons.
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