Rummu Quarry Tickets, Access Rules and What to Expect

• Top choice Rummu, cliffs and Keila from US$144 Duration6 hours^[7]Group sizeLimited to 7 participants^[7]Ratingrated 4.76 from 133 reviews^[7]Guide languageEnglish^[7] Check availability
• Paldiski and Rummu from US$127 Duration7 hours^[8]Group sizeLimited to 8 participants^[8]Ratingrated 4.15 from 6 reviews^[8]Guide languageEnglish^[8] See this tour
• Pakri park and coast from US$167 Duration5 hours^[9]Group sizePrivate group^[9]Ratingrated 4.69 from 8 reviews^[9]Guide languageEnglish, Estonian^[9] See this tour

Legal access and visitor permissions at Rummu quarry

Rummu is not a fenced attraction with one gate and a printed rulebook. The flooded quarry is an unofficial and unguarded place for swimming or diving, where locals usually come to swim in summer.^[2] That single line describes the site better than any sign could: nobody patrols the water's edge and nobody hands out permission. The pale limestone walls, the half drowned prison buildings and the shallow bays between them are simply there, and visitors treat the place as open ground, walking down to the water on paths worn by other people's feet.

The only fixed marker in the day is the clock. Rummu Quarry is open all year round every day from 10:00 to 20:00.^[1] Those hours are worth checking before you plan a sunrise shoot or a late evening at the water. Winter changes the shape of a trip rather than cancelling it: a ticket to the Rummu skating rink costs €10 per person or €20 per family, and it includes access to the Rummu quarry in winter, along with the skating rink, the prison and an audio guide.^[10] In summer, most travellers reach the quarry as one stop on a longer coastal day, and a guided small group tour from Tallinn strings the coast stops together in one loop.^[7]

Rummu quarry opening hours through the year

Rummu Quarry is open all year round every day from 10:00 to 20:00.^[1] The season you pick changes the mood rather than the possibility of a visit. Summer brings long evenings, warm air and a shoreline busy with Estonian families. Winter brings ice, silence and a grey sky over the flooded pit, with the concrete skeletons standing out sharply against the snow. Spring and autumn are the quiet middle: you can have a whole bay to yourself while the low sun turns the water into something closer to turquoise glass than a lake.

If swimming is the point of your visit, temperature decides more than the month does. The summer water temperature at Rummu Quarry is 15.0-20.0 °C.^[4] That range covers a wide spread of comfort, and it is a summer figure: a dip at the start of the season and a swim at its warmest do not feel the same. Light matters too. Pale limestone bounces sun onto the water in the middle of the day, while early morning and late afternoon give the shadows that make the sunken buildings look their best in photographs. The site is compact enough to walk in an afternoon without hurrying.

The flooded walls of Rummu quarry, seen from the shore on a summer afternoon.

Swimming in the submerged quarry

Swimming at Rummu is the reason many people come, and the reason to think carefully before you get in. The quarry is an unofficial and unguarded place for swimming or diving, where locals usually come to swim in summer.^[2] There are no lanes, no roped areas and nobody telling you where to enter, so the judgement is yours. Locals tend to walk in from the shallow edges rather than jumping from walls or platforms, and that is the habit worth copying.

The lake is deeper than it looks from the bank. The maximum depth of the lake at Rummu quarry is 14 metres.^[3] Water this clear can look shallow at twice that depth, and the sunken walls and staircases below the surface are exactly what draws divers to the site. The summer water temperature at Rummu Quarry is 15.0-20.0 °C, which is cold enough to take your breath away on the first step in.^[4] Walk in slowly, keep an eye on anyone swimming with you, and treat the first minute as a test rather than the start of a long swim.

Diving and snorkelling at Rummu quarry

Under the surface, Rummu is a flooded working quarry with buildings still standing in it, and divers come for exactly that. Rummu Diving & WaterSports organises weekly dives for certified divers at Rummu quarry, as well as open water dives for incomplete courses and full OWD courses.^[11] That covers both ends of the scale: you can join an organised dive with a certificate in your pocket, or start a course if you have never been under water before. Going in with people who know the site removes most of the guesswork.

The key numbers are simple. The maximum depth of the lake at Rummu quarry is 14 metres.^[3] The summer water temperature at Rummu Quarry is 15.0-20.0 °C, so a wetsuit is part of the plan rather than an optional extra.^[4] A hood and gloves make a real difference on a long dive in cold freshwater, and a torch helps you read the shapes of flooded rooms, corridors and machinery. Snorkellers can enjoy the same scenery from the surface along the shallow edges, which is the gentler way to see the sunken walls.

On-site facilities and amenities at Rummu

Facilities at Rummu are basic, and that suits the place. Rummu Caravan Park, located in Rummu Quarry, offers overnight accommodation for motorhomes, caravans and tents.^[12] It is the simplest way to stay close to the water and see the quarry in early light, before the day trips arrive. Sauna rituals are offered at Paekalda Holiday Center, which is a warm and very Estonian way to finish a day outdoors.^[13]

Winter adds a different kind of day out. A ticket to the Rummu skating rink costs €10 per person or €20 per family, and it includes access to the Rummu quarry in winter, along with the skating rink, the prison and an audio guide.^[10] The stone you walk past has a name of its own: Vasalemma marble is a local name for Vasalemma limestone, a detritic limestone with a marble-like structure and texture.^[14] Beyond the caravan park, the sauna and the winter rink, treat the quarry as a landscape rather than a resort. Bring water, snacks, a dry bag and shoes that grip wet limestone.

Getting there, Rummu quarry parking and overnight stays

Rummu lies west of Tallinn, out towards Paldiski, and it is reachable without a car. FlixBus runs 2 rides each day between Tallinn and Rummu.^[5] Drivers have the simplest journey of all: on Daytrip's Rummu Quarry & Prison to Tallinn transfer page, the total distance is 45 km and the estimated time is 50 min.^[6] If you would rather leave the driving to someone else, the Rummu quarry price for a guided day tour starts from US$144, with the quarry, Keila waterfall, Paldiski and the Pakri Lighthouse all on the 6 hour route.^[7]

Staying the night changes the feel of a visit. Rummu Caravan Park, located in Rummu Quarry, offers overnight accommodation for motorhomes, caravans and tents, and the reward is the hour after the day visitors drive away, when the water goes still.^[12] If you travel with a dog, keep it under close control near the water and the broken concrete, and check the animal rules with whoever runs your accommodation before you book. Winter campers get the strangest version of the place: ice, snow and a pale quarry all to themselves.

The real dangers of the flooded structures

The water in the quarry arrived after the prison closed. The Rummu quarry began to fill with water after the nearby prison closed after 1991 and pumps that kept the quarry dry were shut down.^[15] What was left behind is still down there: walls, stairwells, machinery and fencing, sitting in cold freshwater with no map and no marked route. That is what makes the place remarkable to look at and what makes it hazardous to explore too casually.

The lake is deeper than the edges suggest. The maximum depth of the lake at Rummu quarry is 14 metres.^[3] The quarry is an unofficial and unguarded place for swimming or diving, where locals usually come to swim in summer.^[2] Nobody is checking on you at the water's edge. Concrete that has spent decades under water is unpredictable: a wall that takes your weight at one point can crumble at the next. Keep off submerged structures, avoid diving or jumping into water where you cannot see the bottom, and stay well back from the edges of the old buildings.

Cold is the quieter risk. The summer water temperature at Rummu Quarry is 15.0-20.0 °C, which is enough to shorten your breathing and tighten your muscles in the first minute.^[4] Go in gradually, swim with someone else, and give yourself time to warm up on the bank afterwards with dry clothes and something hot to drink. The visits that go wrong are usually the ones where someone judged the danger by how beautiful the water looked.

Plan your Rummu quarry day

1. Check access and hours

   Look at the day's details before you travel and keep the 10:00 to 20:00 window in mind when you plan the rest of your route.^[1]

2. Sort out transport

   Decide between bus, car and a guided tour, and work out which stop on the coast you want to see first.

3. Choose a water plan

   Swimming and diving both happen here, but diving runs through an operator while swimming is unguarded, so plan accordingly.^[2][11]

4. Pack for limestone and cold

   Grippy shoes, a windproof layer, water and a dry bag cover almost everything a day at the quarry asks of you.

5. Build in the coast

   Keila waterfall is 6 metres high and sits on the same guided route as the Paldiski cliffs and the quarry.^[7][17]

Common questions