Diving atPedra Do Leão (Portugal)
Imagine descending into waters where a majestic rock formation, resembling a lion, stands sentinel above and below the surface. Pedra do Leão offers a captivating underwater landscape off Sesimbra, Portugal. This site features a prominent arch that divers can easily explore, making it a visually striking experience for recreational diving.
Tonight's objective overview for Pedra Do Leão shows an air temperature of 22.5°C. The measured surface conditions include wave heights around 1.5 m. This environmental data is logged for the close of the day.
Dive Site Location & Key Facts
Everything you need to know about this dive site.
Dive Site Overview
Pedra do Leão's centerpiece is a striking rock formation featuring a prominent arch at around 6 m (20 ft) deep. This natural gateway provides an immediate visual highlight, allowing divers to easily pass through its span.
Within its sheltered confines, schools of various fish species often congregate, creating dynamic underwater scenes as they dart between the rocks. Submerged features extend from the arch's visible structure, contributing to the site's namesake lion resemblance. Beyond the arch, the seafloor gradually slopes, transitioning into a wide path of brown algae.
Extending approximately 20-30 meters (65-100 ft) across, this algae field serves as a vital habitat, sheltering countless smaller organisms and crustaceans that thrive in its protective cover. Exploring these algal beds reveals a bustling micro-ecosystem.
Further into the dive, as depths approach 14 m (45 ft), the environment gives way to a primarily sandy seabed. An expansive sandy bottom here is a prime location for spotting undulate rays, often partially buried or gliding gracefully across the substrate.
Patience can be rewarded with observations of these elusive creatures. Throughout the site, particularly around the rocky outcroppings, tall kelp sways gently with the subtle currents. These kelp forests add significantly to the site's rich textures and provide essential shelter for juvenile fish and other macro-life, contributing to the site's biodiversity.
Primarily an ocean dive, Pedra do Leão also possesses topographical characteristics akin to a quarry, with varied rock walls, crevices, and ledges. Divers explore this diverse underwater landscape within typical recreational depth limits, generally staying between 13-14 meters, allowing for extended bottom times to absorb its unique blend of habitats.
Pedra Do Leão
Conditions are Good
Best Dive Window
07:00 - 14:00
Optimal conditions expected
Current conditions near Pedra Do Leão show 22° air, 16° sea temperature, 0.9 m waves, and 23 km/h wind. Forecast data is refreshed regularly to ensure accuracy.
Best Time to Dive
Visibility at Pedra do Leão varies significantly throughout the year, with reports ranging anywhere from 5 m (16 ft) to 25 m (82 ft), depending on oceanic conditions. Optimal diving periods, reflected in 'Good' dive scores, typically occur from May through September. During these months, average air temperatures range from 18.5-24°C (65-75°F), with water temperatures tending to be warmer, averaging 15-17°C (59-62.6°F). Wave heights are also generally lower, dropping to around 1.1-1.4 meters (3.6-4.6 ft), contributing to calmer seas. Rainfall is notably minimal during this peak season, often less than 1 mm. Conversely, winter months, particularly January to March and November, often present 'Poor' dive scores due to higher wave activity and cooler air temperatures, typically ranging from 12.5-16°C (54-61°F).
PEAK SEASON SCORE
Scores combine air & water temps, waves, wind & rainfall for overall conditions.
BEST MONTHS TO DIVE
Monthly records compiled from satellite and marine observation nodes over the last 3 years. Data provided by Open-Meteo and MET Norway.
Dive Experience & Conditions
Currents at Pedra do Leão are generally mild to moderate, typically ranging from 0-3 knots (0-5.6 km/h). During periods of stronger current, drifting along the rock formations can become an enjoyable aspect of the experience, though it requires careful buoyancy control. Water temperatures fluctuate seasonally, from about 11.5°C (53°F) in colder periods to 19°C (66°F) during warmer months. Recreational depths here usually stay within the 13-14 m (45 ft) range, providing ample bottom time for exploration. This site is primarily accessed via boat, which simplifies entry and exit to the more exposed rock structure. Conditions can change rapidly, so checking local forecasts before planning your dive is always advisable.
Dive Difficulty & Safety Guidelines
While no specific inherent hazards are consistently reported for Pedra do Leão, currents can occasionally pick up, especially in more exposed areas around the rock. Divers should always monitor local current reports and maintain good situational awareness, particularly when navigating near the arch or exploring deeper sections. Adhering to recreational depth limits and managing air consumption are standard safety practices crucial for this site. Diving with a local guide is highly recommended; their expertise ensures familiarity with changing conditions and optimal navigation. As a boat dive, proper entry and exit procedures are essential for a safe experience.
Recommended Equipment
- Dive Computer
- DSMB
This gear list is based on verified equipment signals for Pedra Do Leão, Portugal. Always confirm final gear choices with your dive operator, guide, or liveaboard.
Recommended Dive Suit
The coming days appear slightly cooler according to the latest forecast. Cooler days are ahead; you might want a warmer option for later in the week. A hood or vest can noticeably improve warmth during longer dives.
For typical recreational dives, 5-7mm wetsuit generally provides comfortable insulation. Consider warmer surface protection (like a boat coat) due to brisk winds. Surface intervals may feel cooler.
Current dive conditions indicate that water temperatures around Pedra Do Leão are sitting at roughly 16°C (61°F). Surface air temperatures are resting at 22°C (72°F).
Due to technical issues with our weather providers, data hasn't been fetched for over 48 hours. The data above reflects the conditions at the time of the last successful fetch.
Emergency & Medical Support
Essential information to help you plan your dive trip to Pedra do Leão.
Hyperbaric chambers are a critical part of dive safety infrastructure. Availability varies significantly by region, and not all dive areas have immediate access.
Before diving, it's recommended to:
- confirm nearest medical facilities
- check emergency procedures with local dive operators
- ensure dive insurance covers evacuation if required
Divers Alert Network
Diving emergency assistance available through DAN Europe.
+39 0642115685- 24/7 emergency hotline
- Diving medical assistance
- Evacuation coordination
Emergency contacts are provided for reference. Always verify local emergency services before diving.
Closest Listed Hyperbaric Chambers
Showing listed hyperbaric chamber facilities within 200 km of this dive site.
Distances are approximate straight-line distances and may not reflect emergency travel time.
Centro de Medicina Subaquatica e Hiperbarica
24/7 ListedICU CapableLisboa, Portugal•Approx. 38 km straight-line
Centro de Medicina Subaquatica e Hiperbarica
24/7 ListedICU CapableFacility Details
Information is provided for reference and planning purposes only. Dive Navigator does not verify operational status, staffing, availability, or quality of care at listed facilities. In an emergency, contact local emergency services, DAN, your dive operator, or the chamber directly. Do not travel to a facility without calling ahead.
Marine Life at Pedra Do Leão
Upon entering the water at Pedra do Leão, schools of various fish species often greet divers, especially within the protective archway. Moving closer to the sandy areas, there's a good possibility of observing undulate rays, blending seamlessly with the substrate. Octopus sightings are common, with these intelligent creatures frequently spotted near the base of kelp beds or tucked into rock crevices. The site's diverse rock formations and kelp offer excellent shelter and foraging grounds, supporting a variety of invertebrates and smaller marine life that warrants closer inspection.
Dive Sites Near Pedra Do Leão
View all dive sites in PortugalDiscover more underwater gems in this area.
Dive Centers Near Pedra Do Leão
Working Hours
Today: 08:00 - 18:00
Spot Freedive School
Cipreia Dive Club Sesimbra
Diving Center Megadive
Cabana Divers
Didactic Turtle
Cascais Dive
Nearest Airports
Nearest airports to help plan travel to this dive area.
Search Flights
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Search Flights on ExpediaFrequently Asked Questions
What is the main feature of Pedra do Leão?
The main feature is a striking rock formation that resembles a lion, both from the surface and underwater. It includes a prominent arch at around 6 m (20 ft) deep which divers can swim through.
What are the typical dive depths at this site?
Recreational dive depths at Pedra do Leão typically range up to 13-14 m (45 ft). While the average depth is reported around 17 meters, the prominent arch is found at shallower depths.
How are the water temperatures throughout the year?
Water temperatures at Pedra do Leão vary seasonally, generally ranging from 11.5°C (53°F) in colder periods to 19°C (66°F) during the warmer months, typically from May to September.
What is the visibility like at Pedra do Leão?
Visibility at this dive site can be quite variable, with reports ranging from 5 m (16 ft) to 25 m (82 ft). It largely depends on the prevailing oceanic conditions and the time of year.
Are there strong currents to be aware of?
Currents at Pedra do Leão are generally mild to moderate, typically between 0-3 knots. However, divers should always monitor local reports, as currents can occasionally strengthen, especially in more exposed areas.
What marine life can I expect to see here?
You can expect to see schools of various fish species, particularly within the archway. Undulate rays are often spotted on the sandy bottom, and octopus frequently hide among the kelp beds and rock crevices.
What's the best way to access the Pedra do Leão dive site?
The dive site is primarily accessed by boat. Several dive centers in the region offer trips to Pedra do Leão, providing convenient entry to the site.
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Pedra Do Leão
Conditions are Good
Best Dive Window
07:00 - 14:00
Optimal conditions expected
Current conditions near Pedra Do Leão show 22° air, 16° sea temperature, 0.9 m waves, and 23 km/h wind. Forecast data is refreshed regularly to ensure accuracy.