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Czechia · about 6 km from Blansko

Propast Macocha (Horní a Dolní jezírko)

Info · exploration

Not open to visiting divers: only together with a local caving club of the ČSS, which needs a permit from the Nature Conservation Agency. Macocha is listed here as information, not as a dive to plan.

  • Max depth50 m
  • CertificationFull cave
  • SpecialSidemount
Directions

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Now at Propast Macocha (Horní a Dolní jezírko)

Status
Closed

The dive

At the bottom of this collapse abyss on the Macocha plateau the underground Punkva surfaces briefly: it flows into the Horní jezírko and on through the Dolní jezírko to the Punkevní jeskyně and the resurgence in Pustý žleb.

Only exploration diving happens here; recreational cave diving does not exist in the Moravian Karst. You reach the sumps only after a stretch of dry cave, climbing with all your gear. Permission from the authorities goes through the Czech Speleological Society (ČSS) and is a lengthy process with a research purpose, in which landowners and other stakeholders also have a say. Even where the water looks easier to reach, you soon dive into the part of the system that needs that permission.
Source: Jan Sirotek, Česká speleologická společnost (gesprek met Jos, november 2026) ↗
Falling objects: visitors throw coins and stones from the upper viewing platform ~140 m above. Wear a helmet.
Source: Advanced Diver Magazine – Diving the Moravian Karst ↗
In heavy rain the Punkva rises fast: in the storm of August 1970 it swept away parked cars below Macocha and the water in the system rose more than 10 m in one place.
Source: ČT24, Aug 2020 ↗
Profile and sections

At the bottom of this collapse abyss on the Macocha plateau the underground Punkva surfaces briefly: it flows into the Horní jezírko and on through the Dolní jezírko to the Punkevní jeskyně and the resurgence in Pustý žleb. According to Advanced Diver Magazine the water is ~8–9 °C and milky, with 0.6–1 m visibility on their dive; one restriction was plugged with branches, rocks and even a garden chair.

Macocha is part of the Amatérská system: on the 2023 and 2025 traverses ČSS divers swam through the whole system to the Punkva resurgence.

Depth and profile
Abyss 138.5–138.7 m deep to the water · Horní jezírko ~11 m deep · Dolní jezírko ~-50 m (total depth of Macocha incl. the underwater part 187.5 m)
Configuration
Not applicable for visitors. One report describes a deep, narrow fissure as the dive route.
DPV: Not DPV-suitable (estimate)
Narrow fissure and research dives only: no scooter.
Who can dive where
  • CaveAt least Full cave
  • Whole caveConfigurations: Backmount / twinset / Sidemount / CCR / Small cylinders / no-mount (speleo sumps)
  • Whole caveGoes down to 50 m (trimix or deco may be needed) · doesn't decide who may dive
  • Whole caveExperienced divers only · doesn't decide who may dive
Experienced diversDepends on water level or swellPermission needed

This is how the planner decides who in your team may dive this cave. Rules your own trip adds (organizer, a mail, the AI) show with your trip.

How to get there

Research dives by ČSS groups with a permit only. Macocha is a national nature reserve (NPR) inside the Moravský kras protected landscape area: off the marked paths only with a legal exemption, and every action needs prior written approval; cave divers need a permit from the Moravský kras PLA administration. Tourists reach the bottom through the Punkevní jeskyně (walk and boat).

Plan your route ↗

Around Propast Macocha (Horní a Dolní jezírko)

FillsNo fill station known nearby
Caves nearby2 within 2 km

News

All (1)

Nearby

Articles about cave diving that name a place within 25 km of this site, but no cave by name. They're not necessarily about this site.

Access and rules change: check what applies locally right before your trip. Source: GDELT Project and the news feeds of diving magazines. Search for more news ↗ Searched automatically, last on 13 Nov 2026.

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Sources, sharing and disclaimer

Sources

Current conditions

Visibility, flow and water levels change quickly. Right before your dive, check what other divers report:

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Certification requirements, configurations and trimix depths are estimates for planning. Always check them locally and dive within your training. Compiled from web research (Mine Diving CZ/minehraniczna.cz and HP Diving: Nov 2018 diving conditions and safety rules; Javorník town, Kudy z nudy, Deník 2019–2023, DIVE Magazine 2022, minediving.de, dark-team.de, Speleoaquanaut; hranickapropast.cz, Hranice town, Ochrana přírody 2023, ČT24 2019 and 2020, České noviny/ČTK, iROZHLAS and Hanácká Drbna 2026; speleo.cz (ČSS), Czech Geological Survey, Advanced Diver Magazine, turistika.cz, Deník 2023 and 2025; Wikipedia; stranypotapecske.cz; Divecentrum Hradec Králové, Trygon Brno, Zero Gravity; Ostrava City Hospital and Ostrava city; Sept 2026); access to the caves confirmed by a former chief of the Czech cave diving commission (Oct 2026). Pins from Wikipedia, stranypotapecske.cz, HP Diving and turistika.cz. ~ = estimate. Rules change — check locally.