Caves & Nature · Racoș
Complexul Geologic Racoș (Vulcanul Stins, Coloanele de Bazalt, Lacul de Smarald)
Three geological wonders on the same hill in the Perșani Mountains: a volcano that last spat lava more than a million years ago, basalt columns like the pipes of an organ, and an emerald-green lake born from a quarry. A day trip starting from the base in Râșnov.
Official websiteWhatsAppFoto: Xulescu g / Wikimedia Commons / CC BY-SA 4.0
At a glance
Distance from MAX ≈65 km Travel time ≈1h15 by car Time to spend 1h30–2 h Town RacoșAbout the place
Here Erupted One of the Last Volcanoes on Romanian Territory
Few places in the country show you, in a single walk, how the earth beneath your feet was built. On the edge of the village of Racoș, in Brașov County, a hill in the Perșani Mountains hides three geological phenomena that go hand in hand: an extinct volcano, a wall of basalt columns, and a lake of an unreal green. Together they form the Racoș Geological Complex, a protected area spread over roughly 95.2 hectares. The eruptions that shaped this place are among the last basaltic volcanic events on Romanian territory, occurring millions of years ago — which is why geologists and teachers bring entire groups here as if to an open-air museum.
The Extinct Volcano and the Scorched Earth Beneath Hegheș Hill
A former volcanic slag quarry, the section cut into the volcano reveals an impressive profile, about 200 metres long and over 50 metres high, in which you can read the layers of basalt, pumice, and reddish slag. In places the soil has a reddish-brown colour, a sign of the burning of long ago, and the cone stands out from a distance. This is exactly the kind of landscape that makes you understand, without complicated explanations, what an eruption means.
The Basalt Columns, an Organ of Stone
A few hundred metres further on rises the star of the site: a wall of basalt columns about 6–8 metres tall, arranged like tubes glued one against another. Their regular shapes — polygonal, pentagonal or quadrilateral in cross-section — are not the work of man but the result of the slow cooling of the lava: as the hot mass contracted, it cracked into orderly vertical fissures. The effect strikingly resembles the pipes of a giant organ, and daylight shifts their shades from grey to brown.
The Emerald Lake, the Quarry Turned Jewel
The most photographed sight, however, is the lake. It formed in a former basalt quarry, abandoned around the year 2000, which gradually filled from rainfall, snowmelt, and springs. The water, clear and nearly 18–20 metres deep, takes on a spectacular turquoise-green colour, hence the name Emerald. The view is superb, but take care: bathing is forbidden, and the steep banks call for caution.
How to Get There and What Is Good to Know
Racoș lies in the north of Brașov County, about 70 kilometres from the city of Brașov; from the E60 European road coming from Sighișoara you turn right at Rupea Gară, and then there are about 10 more kilometres to the village. For guests from the Râșnov–Bran area, the complex is a full-day trip that combines nicely with a visit to the Sükösd-Bethlen Castle in Racoș. The terrain is unimproved in places, so comfortable hiking shoes are recommended. Being a protected area, respect the trails and leave no trace behind you. Check the schedule and fees on the official source before your visit.
Frequently asked questions
How far is the Racoș Geological Complex (Extinct Volcano, Basalt Columns, Emerald Lake) from MAX International?The distance and driving time from MAX are on this page, calculated by road; open the exact route with the navigation buttons. For the visit, allow 1–1h30.
What is the MAX International Local Guide?A guide to attractions, trails and events in the Râșnov–Brașov–Bran area, designed as an information point for MAX International guests. Each attraction shows the distance from MAX, a map and access details.
How do I get to the Racoș Geological Complex (the Extinct Volcano, the Basalt Columns, the Emerald Lake) from MAX International?The route is available right on the attraction's page, in the “Access from MAX” section: Google Maps, Waze and Apple Maps.
How far are the attractions from MAX International?It varies: some attractions are right in Râșnov (Râșnov Citadel, Valea Cetății Cave), others are further away, in the Prahova Valley (Bușteni, Sinaia). The distance and driving time from MAX are on each attraction's page, calculated by road.
Is the guide's information verified?Yes. Every published attraction has a confirmed official source and map. Opening hours and prices can change seasonally, so please check the official link before your visit.
Where can I check opening hours and prices for the Racoș Geological Complex (Extinct Volcano, Basalt Columns, Emerald Lake)?On the official source: www.primariaracos.ro. Opening hours and prices may change seasonally, so check before your visit.
Can I ask for recommendations at the MAX International reception?Yes. The MAX International reception and concierge can help with recommendations, transfers and bookings, based on the season and your preferences.
How do I reach the attractions without a car?The MAX reception can help with a private transfer or transport information. Nearby attractions (Râșnov Citadel, Râșnov town centre) are easily reachable on foot.
What is the best time to visit the area?The area is attractive year-round: summer for trails and caves, winter for slopes and cable cars. Each attraction indicates its recommended season.
Can I book accommodation near these attractions?Yes — MAX International Râșnov is a central base for exploring the area. See the accommodation section or message us on WhatsApp for availability.
Getting there
NavigateWazeApple MapsUber from MAXWhatsAppOpening hours and prices are confirmed by the site’s management, not by MAX.
In this area
Telescaun Clabucet Predeal
- Outdoor & Trails
A chairlift in the Predeal resort, on the Clăbucet ski area, providing access to the slopes and to scenic viewpoints in the area.
~32 km · ~40 min by car · ≈2–4 hrs
DetailsNavigateGondola Sinaia – Cota 2000
- Outdoor & Trails
Take the gondola above the fir trees of Sinaia up to the edge of the Bucegi plateau, at Cota 2000. From here begin the routes to Babele, the Sphinx and Omu Peak, on one of the most spectacular cable ascents in Romania.
~52 km · ~1 hour by car · half a day
DetailsNavigateTelecabina Bușteni–Babele
- Outdoor & Trails
A cable car from Bușteni to the Babele plateau, in the Munții Bucegi, with swift access to the high-altitude trails and the landmarks of the area.
~45 km · ~55 min by car · ≈2–4 hrs
DetailsNavigateMasivul Piatra Mare
- Outdoor & Trails
Known as the "watchtower of the Bârsa Land", the Piatra Mare massif rises proudly next to Brașov, with its peak reaching nearly 1,844 m, canyons with stepped waterfalls, an ice cave and wild cliffs — a spectacular mountain just a short distance from Râșnov.
12 km · 18 min by car · half a day (mountain trail)
DetailsNavigate3 Smoked Olives Festival — Sâmbăta de Sus
- Events
A music and art festival at the foot of the Făgăraș Mountains, in Sâmbăta de Sus (2026: 29 July — to be reconfirmed each year).
≈65 km · ≈1h by car
DetailsNavigateCetatea Făgărașului
- Heritage & History
A ring of water fed by the Olt, on which swans glide, a tower with walls three metres thick, and a fortress that no one has ever taken by assault: just a short distance from Râșnov, Făgăraș preserves six centuries of Transylvanian history.
64 km · 75 min · ≈45–60 min
DetailsNavigateSee all attractions
Back to the Local GuideEverything at MAX, in one place
1 December at MAX: a 3-night mini-break
See the packageAccommodation
Rooms and apartments for couples, families and groups
See the roomsRestaurant
Fresh dishes, breakfast and an à la carte menu
See the restaurantParking & Access
On-site parking, an EV charger and easy access
See the parking See all of MAX Official websiteI'm a paragraph. I'm connected to your collection through a dataset. Click Preview to see my content. To update me, go to the Data Manager.