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the thickness at the base is up to 40 m. Most of them are facing in southern direction but there are also a few grouped together on the northern slopes of the ridge overlooking Stob. Groups of individual
Pyramids have been named the Towers, the Brothers, the Hammers, the Wedding Couple, the Pinnacles, the
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During the
Pliocene the area was at the bottom of a shallow lake and accumulated sediments that form a 200 and 250 m thick stratum consisting of little fragments with a lot of clay. The colour is dull white to yellowing. It forms the foundations of the pyramids but the erosion reveals only small
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The Stob Earth
Pyramids vary in shape from sharp through conical to mushroomlike. About half of the formations are crowned by rocks, whose area is sometimes two to three times larger than the cross-section of the pyramid below. Their height averages some 6 to 10 m but can reach up to 12 m;
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The principal factor for the formation of the Stob Earth
Pyramids is erosion due to rainfall. The rain drops penetrate the lightly soldered sediment and continuously wash it away. The location of the rock pieces in the stratum determines the place, size and shape of each pyramid because they prevent
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patches this layer. The
Pleistocene stratum above is reddish with alternating layers of cobble conglomerate and lightly soldered sandstone, as well as larger rock pieces originating from the slopes of Rila.
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287:. The rock formations are up to 12 m high and up to 40 m thick at the base. Their shape is mostly conical to mushroomlike. Some of the columns are topped by flat stones.
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the abrasion of the layers below. They are covered by a 1 cm thick coat of hardened sun burned clay which protects the fragile sandstone and delays the erosion.
666:Мичев (Michev), Николай (Nikolay); Михайлов (Mihaylov), Цветко (Tsvetko); Вапцаров (Vaptsarov), Иван (Ivan); Кираджиев (Kiradzhiev), Светлин (Svetlin) (1980).
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The Stob Earth
Pyramids were declared a natural landmark in 1964 with a total extension of the protected area of 7.4 hectares, or 0.74 km.
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at an altitude between 600 and 750 m. They occupy the
Klisura ridge facing the valley of the
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along the Struma valley. The third class III-107 branches from I-1 at the municipal centre
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They are tourist destination, although not as popular as the much larger
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674:] (in Bulgarian). София (Sofia): Наука и култура (Nauka i kultura).
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that consists of lakebed, alluvial and sloping deposits dated from the
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719:"Official Site of the Ministry of Environment and Water of Bulgaria"
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The Stob Earth
Pyramids are located at the western foothills of the
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Geologically, the Stob Earth
Pyramids are part of the Blagoevgrad
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Official Site of the
Executive Environment Agency of Bulgaria
638:"Register of the Protected Territories and Zones in Bulgaria"
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323:. They lie some 83 km south of the national capital
279:. They span an area of 0.7 km near the village of
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403:. The rock formations are easily accessible via the
613:"A Map of the Republican Road Network of Bulgaria"
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617:Official Site of the Road Infrastructure Agency
419:and heads for 7 km to north-east to Stob.
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753:Tourist attractions in Kyustendil Province
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563:(in Bulgarian). Икономедиа АД. 2008-02-27
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501:Geographic Dictionary of Bulgaria 1980
705:. Official Tourism Portal of Bulgaria
327:and 18 km north of the city of
592:Official Tourism Portal of Bulgaria
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462:List of rock formations in Bulgaria
271:, situated at the foothills of the
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672:Geographic Dictionary of Bulgaria
371:metamorphic rocks. There are two
122:A view of the Stob Earth Pyramids
748:Landforms of Kyustendil Province
689:. Geologic Phenomena of Bulgaria
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275:mountain range in south-western
267:) are rock formations, known as
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533:Geologic Phenomena of Bulgaria
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668:Географски речник на България
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407:and the parallel first class
367:epochs. They are built up by
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743:Rock formations of Bulgaria
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559:[A stop in Stob].
307:, a left tributary of the
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203:42.0923028°N 27.1211222°E
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317:Kocherinovo Municipality
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351:A view of the pyramids
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299:mountain range in the
208:42.0923028; 27.1211222
703:"Stob Earth Pyramids"
687:"Stob Earth Pyramids"
588:"Stob Earth Pyramids"
529:"Stob Earth Pyramids"
472:Melnik Earth Pyramids
467:Geography of Bulgaria
454:Earth sciences portal
401:Melnik Earth Pyramids
373:geological formations
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335:Geology and formation
321:Kyustendil Province
285:Kyustendil Province
257:Stob Earth Pyramids
223:Kyustendil Province
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25:Stratigraphic range
19:Stob Earth Pyramids
413:European route E79
411:that form part of
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305:Rilska River
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239:Type section
194:27°7′16.04″E
191:42°5′32.29″N
169:conglomerate
151:0,74 km
417:Kocherinovo
387:Description
369:Precambrian
365:Pleistocene
329:Blagoevgrad
206: /
181:Coordinates
737:Categories
660:References
33:Quaternary
483:Citations
261:Bulgarian
244:Named for
165:Sandstone
156:Lithology
37:2-1
426:See also
409:I-1 road
394:Samodiva
361:Pliocene
291:Location
277:Bulgaria
233:Bulgaria
175:Location
724:30 June
709:30 June
693:30 June
647:30 June
622:30 June
597:30 June
567:30 June
538:30 June
269:hoodoos
229:Country
161:Primary
138:Unit of
106:↓
29:Neogene
357:Graben
309:Struma
219:Region
670:[
325:Sofia
758:Rila
726:2018
711:2018
695:2018
649:2018
624:2018
599:2018
569:2018
540:2018
477:Rila
363:and
313:Stob
297:Rila
281:Stob
273:Rila
255:The
248:Stob
148:Area
142:Rila
128:Type
45:PreꞒ
315:in
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95:Pg
39:Ma
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259:(
100:N
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55:O
50:Ꞓ
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