Managed by: Kenya Electricity Generating Company (KenGen)
📍 Location: Inside Hell’s Gate National Park, Naivasha
📞 Contacts: +254 711 036 000 | ✉️ pr@kengen.co.ke
🌐 Website: www.kengen.co.ke

🌋 Overview
Nestled deep within Hell’s Gate National Park, the KenGen Olkaria Geothermal Spa is Africa’s first and largest natural geothermal health spa. It occupies about 4.5 hectares and features warm, mineral-rich lagoons, steam saunas, and panoramic views of volcanic hills and steam vents that define the Naivasha landscape.
Originally established as part of KenGen’s geothermal energy development, the spa now serves as both a wellness retreat and a demonstration center for geothermal innovations — including the use of natural steam and brine for saunas, heating, drying, and even agriculture.
The spa offers visitors a rare opportunity to bathe in naturally heated waters, enjoy relaxing body treatments, and learn about renewable energy in a scenic, wildlife-rich environment.
Wellness Meets Sustainability: Why We Champion and Highly Recommend the Olkaria Geothermal Spa at HellsGatePark.org
At HellsGatePark.org, we value the Olkaria Geothermal Spa not only as a place of relaxation but as a powerful example of sustainable innovation. The spa demonstrates how geothermal energy—naturally drawn from the volcanic activity beneath Hell’s Gate—can be harnessed responsibly to power recreation and wellness.
Unlike conventional resorts that rely on fossil fuels, it uses steam and hot brine from the earth to heat its mineral-rich pools and saunas, creating a zero-carbon, renewable system that mirrors the same clean processes powering thousands of Kenyan homes through KenGen’s geothermal plants.
This model perfectly reflects our mission to promote low-impact, eco-conscious tourism that protects the Rift Valley ecosystem. By showcasing geothermal energy in its purest form, not only for electricity but for recreation, learning, and community benefit, the Olkaria Spa stands as a beacon of conservation-driven tourism. Visitors can relax in its soothing waters while experiencing firsthand how science, sustainability, and nature coexist in harmony — one of the many reasons we highly recommend the Geothermal Spa at HellsGatePark.org.
🧖 Facilities & Experiences
🌊 Main Geothermal Lagoon

- The centerpiece of the spa — a vast blue lagoon maintained at a soothing 36–40°C (96–104°F).
- The water contains silica, sulfur, and natural minerals believed to relieve stress, improve skin health, and ease joint pain.
- Shallow and calm areas make it suitable for both adults and supervised children.
🔥 Steam & Dry Saunas
- Geothermal pipes circulate hot brine to naturally heat the air.
- Two types of saunas are available:
- Dry Sauna – For muscle relaxation and improved circulation.
- Steam Sauna with Aromatic Oils – Enhances detoxification, skin tone, and breathing.
🪷 Spa & Body Care Treatments
- Optional broom body massages and balneotherapy can be arranged to promote circulation and general wellbeing.
- Towels available for hire (KES 200).
☕ Lagoon Café & Lounge
- On-site café serving snacks, hot meals, and refreshments.
- Guests may also carry light packed meals.
🏞️ Wildlife & Scenic Viewing
- The surrounding Hell’s Gate terrain is home to giraffes, zebras, buffaloes, elands, and numerous birds that can be seen grazing near the steam fields.
- Short walks around the spa area offer panoramic views of Mount Longonot and the steam gathering system.
💰 2025 Entry & Service Fees
| Category | Rate (KES) |
|---|---|
| Kenyan Adults | 400 |
| Kenyan Children | 100 |
| KenGen Staff | 200 |
| KenGen Staff Children | 50 |
| Group Rate (Children under 18) | 100 per child |
| Residents (Adults) | 1,000 |
| Residents (Children) | 500 |
| Non-Residents (Adults) | 1,800 |
| Non-Residents (Children) | 850 |
| Ground Hiring (Private Events) | 40,000 |
| Towel Hire | 200 |

Payment Options:
- Cash (Kenyan Shillings) at the reception
- M-Pesa (available on-site)
- Receipts issued by KenGen staff only
🕘 Operating Hours
| Day | Opening Hours |
|---|---|
| Monday – Thursday | 7:45 AM – 5:00 PM |
| Friday | 7:45 AM – 4:30 PM |
| Public & Weekend Access | 8:00 AM – 5:00 PM |
| Last Entry | 4:00 PM (for safety before dusk) |
🚗 Getting There
Route from Nairobi
- Take the Nairobi–Nakuru Highway (A104) to Naivasha Town – about 90 km (2 hours).
- From Naivasha, turn onto Moi South Lake Road (approx. 35 km to Hell’s Gate National Park**).
- Enter through the Elsa Gate or Ol Karia Gate — the spa is located inside the park.
- Follow signs for KenGen Geothermal Spa, about 20 minutes from the gate.
Alternative Route:
From Mai Mahiu, join the Naivasha road near Mount Longonot and turn left into Moi South Lake Road before Naivasha town.
Accessibility:
- 4×4 or sedan vehicles can access easily via tarmac and maintained gravel roads.
- Entry into Hell’s Gate National Park requires a separate KWS park ticket (KES 300 for residents / USD 26 for non-residents).
🧾 Combined Visit: Hell’s Gate + Geothermal Spa in 1-Day Hell’s Gate + Naivasha Tour
A visit to the spa pairs perfectly with a morning of hiking or cycling at Hell’s Gate.
Here’s how a typical combined itinerary might look:
| Time | Activity |
|---|---|
| 6:30 AM – 7:00 AM | Depart Nairobi |
| 9:00 AM | Arrive at Hell’s Gate National Park (Elsa Gate) |
| 9:15 AM – 12:00 PM | Hike or bike through the park (visit Fischer’s Tower, gorge, and steam vents) |
| 12:15 PM – 1:00 PM | Lunch break |
| 1:15 PM – 3:30 PM | Relax and soak at the Olkaria Geothermal Spa |
| 4:30 PM | Depart for Nairobi |
| 6:30 – 7:00 PM | Arrive back in Nairobi |
What to Bring:
- Swimsuit, towel, sunscreen, and light sandals
- Drinking water and snacks
- National ID/passport for park and spa entry
- Extra clothes for changing after swimming
🌿 Visitor Guidelines
- Children must be accompanied by adults at all times.
- No diving or running around the lagoon.
- The spa area is alcohol-free for safety.
- Smoking and littering are strictly prohibited.
- Please follow KenGen staff and KWS ranger instructions while within the park.
🧭 Nearby Attractions
Visitors can easily combine the Geothermal Spa with other Naivasha experiences such as:
- Hell’s Gate National Park: Hiking, rock climbing, and wildlife viewing.
- Crescent Island: Walking safaris among giraffes and zebras.
- Lake Naivasha Boat Ride: Hippo and birdwatching excursions.
- Mount Longonot Hike: A challenging volcanic crater trek nearby.
🌟 Why Visit the Olkaria Geothermal Spa
- Africa’s only natural geothermal lagoon — a blend of science, nature, and wellness.
- Therapeutic waters with proven skin and relaxation benefits.
- Family-friendly facilities within a secure, scenic setting.
- Perfect complement to a Hell’s Gate hiking or cycling safari.
- Educational opportunity to learn about Kenya’s renewable geothermal energy program.
FAQs: Olkaria Geothermal Spa
(Curated by HellsGatePark.org)
🌡️ Spa Experience & Water Properties
1. What minerals are found in the geothermal water, and what are their benefits?
The water at Olkaria contains silica, sulfur, sodium, calcium, and potassium — minerals that help exfoliate the skin, reduce inflammation, and improve circulation. Sulfur also supports skin repair and has mild antibacterial effects, making the water therapeutic for stress, joint pain, and some skin conditions like eczema.
2. Is the geothermal water chlorinated or chemically treated?
No. The lagoon water is 100% natural and flows directly from underground geothermal reservoirs. It is refreshed regularly through controlled inflow and outflow systems maintained by KenGen engineers to ensure water purity and safe temperature regulation.
3. How deep is the geothermal lagoon?
Depth varies between 0.9 and 1.4 meters, making it suitable for both swimmers and non-swimmers. Shallow edges are provided for children and those preferring to soak rather than swim.
🧴 Wellness, Comfort & Accessibility
4. Are changing rooms, showers, and lockers available?
Yes. There are gender-segregated changing rooms, showers with fresh water, and lockers for valuables. Visitors are encouraged to bring their own padlocks if they prefer extra security.
5. Is the spa wheelchair accessible?
Yes, most walkways and rest areas are flat, paved, and wheelchair-friendly. Assistance is available upon request, though direct entry into the water may require support from a companion.
6. How long should one stay in the geothermal water?
Experts recommend 20–30 minutes at a time, followed by short breaks to cool off and hydrate. Prolonged soaking may lead to dehydration or dizziness, especially for first-time visitors.
7. Are food and drinks allowed at the spa?
Light snacks and bottled water are allowed in designated areas. The Lagoon Café also serves local dishes, snacks, and hot drinks. Alcohol and glass containers are not permitted.
👨👩👧👦 Group & Event Logistics
8. Can I organize a private event or team retreat at the Geothermal Spa?
Yes. The spa features the Blue Lagoons Conference Facility and an open ground suitable for corporate retreats, wellness sessions, and private functions.
- Ground hire fee: KES 40,000 per day
Advance booking through KenGen’s Naivasha office or PR department is required.
9. Can school or university groups visit for educational tours?
Yes. The spa is part of KenGen’s Geothermal Demonstration Centre, offering guided learning on geothermal energy, renewable technology, and sustainable tourism. Bookings for groups must be made in advance via pr@kengen.co.ke.
10. Do you offer guided tours explaining how the geothermal system works?
Yes. KenGen staff occasionally offer technical and educational tours showcasing geothermal energy extraction, steam separation, and direct-use applications such as spa heating, greenhouses, and aquaculture.
🦓 Safety & Environmental Management
11. Is the area safe from volcanic or seismic activity?
Yes. Olkaria lies within a stable geothermal field that is continuously monitored by KenGen and the Geothermal Development Company (GDC). Micro-seismic activity occurs deep underground but poses no surface risk to visitors.
12. Are there health precautions visitors should take?
Visitors with hypertension, heart conditions, pregnancy, or skin sensitivity should consult a doctor before using the spa. Always stay hydrated and limit exposure to avoid overheating.
13. Are there lifeguards or first aid facilities on site?
Yes. The spa has trained attendants and a first aid station, though swimming is done at your own risk. Visitors are advised to follow all posted safety instructions.
14. How is wastewater managed?
The spa uses a closed geothermal water circulation system. Used water is cooled and reinjected underground to preserve pressure balance and prevent surface contamination — an essential part of KenGen’s environmental safeguards.
📸 Photography & Visitor Conduct
15. Can visitors take photos and videos?
Yes, photography is allowed and encouraged. However, commercial filming or drone use requires a special permit from KenGen and Kenya Wildlife Service (KWS) due to the park’s protected status.
16. Are there restrictions on dress or behavior?
Visitors should wear appropriate swimwear and avoid disruptive behavior. Loud music, littering, or smoking are prohibited to maintain the tranquil, family-friendly atmosphere.
17. Can I collect water or minerals from the lagoon?
No. Collecting geothermal water, rocks, or minerals is prohibited under KenGen and KWS regulations to protect the site’s integrity.
🏨 Accommodation & Surroundings
18. Are there lodges or camps near the Geothermal Spa?
Yes. Popular nearby stays include:
- Naivasha Sopa Lodge – family-friendly resort with lake views.
- Lake Naivasha Sawela Lodge – upscale lodge with conference facilities.
- Camp Carnelley’s – budget-friendly lakeside camping and restaurant.
- Fisherman’s Camp – great for backpackers and nature lovers.
All are within 30–45 minutes of the spa by road.
19. Can I camp near the spa?
No camping is allowed inside the Geothermal Spa grounds. However, Hell’s Gate National Park offers designated campsites such as Ol Dubai, Naiburta, and Endachata, located a few kilometers away.
20. Is food available near the spa?
Yes. The Lagoon Café serves meals, and nearby restaurants along Moi South Lake Road (such as at Camp Carnelley’s or Sawela Lodge) offer lunch options.
🌍 Science, Energy & Sustainability
21. How does KenGen generate geothermal energy in Olkaria?
KenGen drills deep wells (up to 3,000 meters) to tap superheated steam and water, which power turbines to produce renewable electricity. The same system channels a small portion of this heat to the spa for direct recreational use.
22. How does the spa contribute to Kenya’s renewable energy goals?
The Olkaria Spa is both a tourist attraction and educational site showcasing geothermal innovation. It demonstrates how Kenya’s geothermal capacity (over 900 MW) can support sustainable tourism and local economies with zero-carbon impact.
23. What makes the Olkaria Geothermal Spa unique globally?
It’s one of the few geothermal spas in the world located within a national park, surrounded by wildlife and volcanic scenery. Its blend of natural geology, renewable energy, and tourism makes it comparable to Iceland’s Blue Lagoon — but distinctively Kenyan.
🚙 Tour Planning & Logistics
24. Do I need to book in advance?
No advance booking is required for individuals or small groups. However, large groups, educational tours, or private events should contact KenGen PR or Hell’s Gate Park management in advance.
25. Can I visit the spa without visiting Hell’s Gate National Park?
No. The spa is inside the park boundaries, so a valid KWS park ticket is required for all visitors.
26. How long should I plan to stay?
Most visitors spend 1–2 hours at the spa if combined with a park visit, or up to half a day if they wish to relax, eat, and enjoy the facilities fully.
🧭 Cultural & Conservation Aspects
27. Does the spa benefit local communities?
Yes. The Olkaria project provides employment, energy access, and eco-tourism opportunities for local Maasai communities. KenGen also supports schools, water projects, and cultural preservation efforts around the park.
28. Are there any cultural or spiritual connections to the geothermal area?
Yes. The Maasai communities living near Olkaria have long regarded the steam vents and hot springs as sacred natural phenomena, associated with cleansing and healing — a heritage that aligns with the spa’s current wellness philosophy.
🧾 Contacts & Emergencies
29. Who should I contact for inquiries or emergencies?
- KenGen Geothermal Spa, Olkaria
📞 +254 711 036 000 / +254 732 116 000
✉️ pr@kengen.co.ke
🕘 Open daily 8:00 AM – 5:00 PM
30. Can I visit through an organized tour?
Yes. HellsGatePark.org offers combined Hell’s Gate + Geothermal Spa day tours, which include transportation, park entry assistance, and guided experiences — ideal for those without private vehicles or seeking a seamless eco-tour itinerary.
More FAQs
🏞️ About the Geothermal Spa
1. What is the Olkaria Geothermal Spa?
The Olkaria Geothermal Spa is Africa’s first and largest natural geothermal health spa, located inside Hell’s Gate National Park near Lake Naivasha, Kenya. Managed by KenGen (Kenya Electricity Generating Company), it uses naturally heated geothermal water from the Olkaria power fields to create warm, mineral-rich lagoons and saunas for relaxation, health, and education.
2. Where exactly is the Geothermal Spa located?
The spa sits within Hell’s Gate National Park, about 35 km from Naivasha town and roughly 90 km (2 hours) northwest of Nairobi, along the Moi South Lake Road. It lies close to Olkaria Power Station and can be accessed through the Elsa Gate or Ol Karia Gate.
3. Who owns and manages the Geothermal Spa?
The spa is owned and operated by KenGen, Kenya’s leading renewable energy producer. It was developed to showcase the direct-use applications of geothermal energy—including bathing, spa treatment, heating, and horticultural use—while promoting sustainable tourism.
🧖 Experience and Facilities
4. What can visitors do at the spa?
Visitors can swim or soak in the large geothermal lagoon, enjoy the steam or dry saunas, relax at the lagoon café, and take scenic walks to view wildlife and geothermal features. Educational tours about KenGen’s geothermal projects can also be arranged.
5. What is the temperature of the spa water?
The main lagoon maintains a comfortable temperature between 36–40°C (96–104°F), ideal for soaking year-round.
6. Are the spa waters safe?
Yes. The geothermal water is safe for bathing and rich in minerals such as silica, sulfur, and sodium known for their skin-cleansing and relaxation benefits. However, pregnant women and visitors with heart conditions should consult a doctor before bathing.
7. Is the spa suitable for children?
Yes, but children must be supervised at all times. The shallow sections are safe for older children, but there are no lifeguards on duty, so parental supervision is essential.
8. What should I bring?
Carry a swimsuit, towel, sunscreen, light sandals, water, and a change of clothes. Towels are available for hire at the spa for KES 200.
In Summary:
The KenGen Olkaria Geothermal Spa is one of Kenya’s most distinctive natural attractions — a soothing geothermal oasis surrounded by wildlife, steam, and volcanic beauty. Whether you visit after a morning of hiking or just for a rejuvenating soak, it’s a must-do stop on any Hell’s Gate–Naivasha itinerary.
You can combine visit to the spa in our 1-Day Tour of Hell’s Gate and Lake Naivasha
