
Diving atLago Bracciano a Trevignano (Italy)
Lago Bracciano a Trevignano stands out for its well-preserved volcanic lake environment, where clarity and calm conditions often prevail due to park regulations limiting motorized traffic. This focus on environmental protection ensures visibility for divers, particularly in shallower zones accessible from the beach. Located near historic villages, it provides a freshwater diving experience close to Rome, appealing to those seeking a serene underwater escape. Primary access is a comfortable beach entry, leading into its freshwater depths.
Starting the day at Lago Bracciano a Trevignano, the ambient air temperature is recorded at 26°C. Ongoing monitoring shows wave heights measuring 0.4 m. This data represents the current surface conditions for early activities.
Dive Site Location & Key Facts
Everything you need to know about this dive site.
Dive Site Overview
This volcanic caldera, Lago Bracciano a Trevignano, presents a distinct freshwater diving experience, setting it apart from typical marine sites. Divers begin with a comfortable shore entry directly from the beach, smoothly transitioning onto a gently sloping sandy bottom.
The site's protected status, upheld by the Bracciano-Martignano Natural Park, strictly limits motorized boat traffic, which is a primary factor in maintaining the lake's generally good water clarity. Unlike ocean dives, the focus shifts to observing lacustrine ecosystems and geological formations within this freshwater habitat. Initial descents reveal warmer water layers, especially pronounced during the summer months, often extending to about 12-13 meters.
Below this zone, a thermocline typically marks a noticeable drop in temperature as the lake floor continues its gradual slope. The lake reaches its maximum recorded diving depths around 40 m / 131 ft.
This extensive depth range caters to a broad spectrum of certifications, from Open Water divers exploring the shallower, warmer zones to Advanced and Technical divers venturing into the deeper, cooler expanses. Exploring this environment provides insight into a freshwater ecosystem, rewarding divers with serene conditions and intriguing observations of its aquatic life and underwater topography.
Lago Bracciano a Trevignano
Conditions are Excellent
Best Dive Window
07:00 - 14:00
Optimal conditions expected
Current conditions near Lago Bracciano a Trevignano show 26° air, 24° sea temperature, 0.3 m waves, and 15 km/h wind. Forecast data is refreshed regularly to ensure accuracy.
Best Time to Dive
Optimal diving at Lago Bracciano a Trevignano contrasts slightly with traditional ocean diving seasonality. While possible year-round with consistently good dive scores, summer months from June to August present the most inviting conditions. Air temperatures during this peak period average 23.5-26.5°C / 74-80°F, creating a pleasant surface environment, and rainfall is minimal, typically ranging from 0.8-1.8 mm. Warmer air contributes to more comfortable surface intervals and warmer shallow water temperatures, which can extend to 12-13 meters / 40-43 feet deep. Spring (March-May) and autumn (September-October) also offer favorable conditions, with air temperatures ranging from 12-22°C / 54-72°F and low to moderate rainfall, making these shoulder seasons viable alternatives for avoiding peak summer crowds.
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
Beginning with a straightforward shore entry from the sandy beach, the dive profile at Lago Bracciano immerses divers in freshwater conditions, a defining characteristic of this volcanic lake. Initial depths offer warmer water, especially during summer, reaching approximately 12 to 13 meters (around 40 to 43 feet). Beyond this, water temperature cools progressively as the lake floor slopes down, eventually reaching its maximum reported depth of about 40 meters (over 130 feet). Visibility in the lake is generally good, supported by the protective measures of the Bracciano-Martignano Natural Park which limits motorized boat traffic. Bottom composition consists primarily of sand, shaping a relatively uniform topography. This offers a different experience compared to marine environments, with focus shifting to the freshwater ecosystem.
Dive Difficulty & Safety Guidelines
Navigating the diving environment at Lago Bracciano a Trevignano requires adherence to standard dive planning and a mindful approach to its unique lake characteristics. While the site does not present commonly reported natural hazards found in open ocean environments, it's crucial to acknowledge changing water temperatures with depth in freshwater, potentially requiring appropriate thermal protection. Bracciano-Martignano Natural Park limits motorized watercraft, which generally reduces surface traffic concerns, but divers should still maintain situational awareness. Consulting with a local dive professional is recommended to understand current conditions and any specific site considerations before entering the water. Proper buoyancy control is also vital to protect the lakebed and minimize disturbance.
Recommended Equipment
Deep dive hazard. Increased narcosis and gas consumption risk.
- Dive Computer
- DSMB
- Primary & Backup Lights
- Hard-soled Dive Boots
This gear list is based on verified equipment signals for Lago Bracciano a Trevignano, Italy. Always confirm final gear choices with your dive operator, guide, or liveaboard.
Recommended Dive Suit
According to recent observations, water temperatures near Lago Bracciano a Trevignano are approximately 24°C (76°F). Surface air temperatures are resting at 26°C (79°F).
Forecasts suggest rising temperatures later this week. A warming trend is expected over the next few days.
Most divers exploring waters at this temperature rely on 3mm wetsuit for effective insulation. A hood or vest is suggested for sensitive divers due to surface winds. Water temperature is only one factor influencing overall comfort during a dive.
Emergency & Medical Support
Essential information to help you plan your dive trip to Lago Bracciano a Trevignano.

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.
Policlinico Umberto I Roma
Roma, Italy•Approx. 36 km straight-line
Policlinico Umberto I Roma
Facility 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.
MISERICORDIA HOSPITAL
24/7 ListedICU CapableGrosseto, Italy•Approx. 114 km straight-line
MISERICORDIA HOSPITAL
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.
Centro Diagnostico e Fisioterapico LA FENICE Srl
PORTO SANT'ELPIDIO (FM), Italy•Approx. 174 km straight-line
Centro Diagnostico e Fisioterapico LA FENICE Srl
Facility 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 Lago Bracciano a Trevignano
While the underwater landscape of Lago Bracciano a Trevignano primarily features a sandy bottom, its freshwater ecosystem hosts specific species adapted to this unique habitat. Divers frequently encounter large carp, often visible in the shallower zones. Perch and pike are also common sightings, navigating the lake's vegetation and open water. Additionally, the possibility exists of spotting the Pontico Shrimp, adding a subtle detail to the aquatic life. Large mouth bass also contribute to the lake's fish diversity, providing points of interest against the sandy backdrop.
Dive Centers Near Lago Bracciano a Trevignano
Working Hours
Today: 10:00 - 23:30
TuTTiSuB
Acquazzurra
Roma Diving Center
Blue Marlin Diving Center
Nearest Airports
Nearest airports to help plan travel to this dive area.
Search Flights
Check available flights and routes on Expedia, using the nearby airports listed in this section.
Search Flights on ExpediaFrequently Asked Questions
Is Lago Bracciano suitable for beginner divers?
Yes, it is. The comfortable shore entry and manageable depths in the shallower areas make it accessible for PADI Open Water certified divers. Always ensure you are comfortable with freshwater conditions.
What is the water temperature like in Lago Bracciano?
Water temperatures vary significantly with depth and season. In summer, shallower areas (up to approximately 12-13 meters, or around 40 feet) can be quite warm. Deeper sections of the lake will be considerably cooler, requiring appropriate thermal protection.
What kind of marine life is typically seen in the lake?
Divers often encounter large carp, perch, and pike. There's also a chance to spot the Pontico Shrimp and large mouth bass.
Are there restrictions on watercraft in Lago Bracciano?
Yes, the Bracciano-Martignano Natural Park strictly limits the number of motorized watercraft on the lake. This measure helps maintain water quality and ensures a quieter environment.
What is the maximum diving depth at Lago Bracciano a Trevignano?
The maximum reported depth for diving at this site is 40 meters (approximately 130 feet). Divers should be certified for such depths and plan their dives accordingly.
How do you access the dive site?
Access is typically via a comfortable shore entry directly from the beach at Trevignano. This makes it convenient for carrying gear and preparing for your dive.
Can you swim in Lago Bracciano?
Yes, the lake features clear, swimmable waters with both public beaches and private facilities available along its shores. Many visitors enjoy swimming, especially during warmer months.
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Lago Bracciano a Trevignano
Conditions are Excellent
Best Dive Window
07:00 - 14:00
Optimal conditions expected
Current conditions near Lago Bracciano a Trevignano show 26° air, 24° sea temperature, 0.3 m waves, and 15 km/h wind. Forecast data is refreshed regularly to ensure accuracy.









