Molnár János-barlang

Type:

Scuba Diving

Entry:Unknown

Difficulty:Expert

Tags:

CaveLake

About This Dive Spot

Molnár János is a vast underground thermal karst cave beneath Budapest, formed by warm springs rising from depth. It is described as one of the largest thermal caves in the world, with water temperatures around 25–27°C. The cave water contributes to the healing waters associated with Lukács baths, and small freshwater shrimps can be seen in the system.

Planning details

Reported depth and seasonality.

Reported depth

Up to 100m

Depth note

Maximum depth is described as approximately 100 m.

Typical conditions

Thermal water temperature fluctuates between about 25–27°C.

Safety & access

Hazards, restrictions, and required precautions.

Hazards

Overhead environment

Safety notes

This is an overhead cave environment and reaches significant depths; appropriate cave training and procedures are implied by the setting.

Local intel

Community notes to help plan your visit.

Access, coral, life, crowds, and facilities.

Aquatic Life

Small freshwater shrimps may be visible.

Dive Spot Log Averages

Average conditions based on logged dives & visits

No community dive data has been logged here yet. Be the first to record a dive and seed the averages.

Dive Conditions Planner

Current snapshot, today hourly conditions, and seven-day planning data.

Current snapshot

Right now

--🌥️Variable

Weekly trends

Marine rhythm

Surface outlook

Unlock the full potential of DiveJourney.

Recent Logged Visits

No Dive Logs Yet

Be the first to log a dive at this spot and share your experience!

Spots Near Molnár János-barlang

📍 0.2 km

Molnar Janos Cave

Not Set

Molnar Janos Cave is a water-filled cave system in Budapest, Hungary, known for exploration-focused dives in a subterranean environment. It features stone and crystal formations and is described as having excellent visibility. The dive is suited to Advanced Open Water divers, with depths averaging around 20–30 m and no currents, supporting comfortable navigation through the cave.

📍 11.7 km

Kőbányai Bányapince

Not Set

A partly flooded underground mine system formed after groundwater levels rose when pumping stopped. The site offers very clear freshwater with excellent visibility. As an enclosed subterranean environment, it is primarily a technical-style dive setting rather than a wildlife-focused one, with little to see in terms of aquatic life.

📍 12.5 km

Aquaworld

Not Set

An indoor training venue within a resort complex, offering year-round access to multiple swimming pools used for diver education. The facility is associated with a dive school and supports training activities with on-site equipment rental and retail availability.

📍 20.8 km

Gárdonyi Géza tanuszoda

🏖️

This is a clean, well-maintained indoor swimming pool in the inner area of Érd, offering clear water and a maximum depth of 1.8 m. It is described as having very good visibility, making it suitable for practice dives in a controlled environment.

📍 34.1 km

Erdőkertesi Pisztrángos tó

Not Set

A freshwater lake near Erdőkertes, about {{ 30 | duration:minutes }}utes from Budapest, known for very clear water and a maximum depth of 14 m. Divers can also find a submerged old Volga car on the bottom. The lake supports a variety of freshwater fish, including abundant trout and larger predatory fish such as pike.

📍 39.8 km

Öböl Music Beach

Not Set

A freshwater mine lake created by sand extraction in the 1950s, with water quality influenced by the mining technology used at the time. The lake hosts a range of freshwater fish and other unusual freshwater life.

Loading nearby spots...

Frequently Asked Questions

What's the best entry point at Molnár János-barlang?

Entry at Molnár János-barlang is detailed in the spot description above. Look for specific landmarks, access paths, and any tide or condition requirements. Local divers often share updated entry tips in their dive logs.

What conditions are best for diving Molnár János-barlang?

Optimal conditions at Molnár János-barlang depend on several factors including tide, wind, and season. Check recent dive logs for current condition reports and patterns. Generally, calmer seas and high tide provide better visibility and easier entry.

What is the maximum depth and typical visibility at Molnár János-barlang?

Depth and visibility information for Molnár János-barlang can be found in the spot details and recent dive logs. Conditions can vary significantly based on weather, tide, and season. Always plan your dive according to current conditions and your certification level.

Are there any safety considerations or local etiquette at Molnár János-barlang?

When diving Molnár János-barlang, respect local regulations, marine life, and other water users. Be aware of any specific hazards like currents or boat traffic mentioned in the spot description. Follow Leave No Trace principles and local diving etiquette.