76:
57:
306:
232:
83:
239:
The erratic is a massive boulder with a pyramidal shape, emerging some 10 metres from the ground level and with a circumference of about 50 metres. Its elevation is 368 m. It stands in a woody and almost plain spot close to the border between
694:
248:, not faraway from the small Lake of Caselette. The place is still of a good environmental quality, although almost encircled by industrial and residential areas.
279:, can be explained because the Pietra Alta, unlikely other boulders mostly covered by the ground, is almost fully exposed. It consists in a huge block of
336:
294:
346:. The environment surrounding the Pietra Alta is considered very suggestive; the boulder can be easily reached on foot from Caselette following
104:
373:
332:
to protect the climbers. Many of these routes, some of them very engaging, were described at the beginning of the 1980s by the
518:
727:
429:
56:
732:
439:
75:
737:
722:
568:
543:
641:
402:
220:
144:
593:
406:
173:
36:
8:
618:
Valore ambientale dei massi erratici e valutazione d'impatto ambientale dell'arrampicata
670:
468:
435:
287:
of 2.600 cubic metres. On its surface can be detected rinds similar to the so-called
268:. It was transported to its present location by the hudge glacier which occupied the
275:
Its height on the ground level, remarkable if compared to other glacial erratics of
324:
On the boulder there are a lot of climbing routes, and its sides are equipped with
325:
265:
212:
155:
47:
62:
289:
716:
269:
119:
106:
280:
470:
Massi erratici singolari – testimonianze glaciali nel paesaggio piemontese
344:
spazio per la fantasia: arrampicate sui massi erratici della Valle di Susa
196:
520:
Rilevamento geomorfologico dell'anfiteatro morenico di Rivoli-Avigliana
341:
350:, a small asphalted lane which continues with a pedestrian dirt road.
473:(in Italian). Torino: Museo Regionale di Scienze Naturali. p. 12
245:
241:
216:
140:
616:
548:(in Italian). Vol. 41. Società geologica italiana. p. 171
333:
276:
378:. Guida d'Italia (in Italian). Touring club italiano. p. 206
305:
261:
231:
573:(in Italian). Vol. 18. Centro studi piemontesi. p. 548
492:
284:
329:
317:
223:, Italy), relevant for its size and its isolated location.
493:"Il territorio della Collina morenica di Rivoli-Avigliana"
467:
Motta, Luigi; Motta, Michele; Ferrero, Osvaldo (2013).
639:
466:
403:"Masso erratico di Pietra Alta Caselette, Torino"
165:
28:
714:
427:
293:, considered by geologist an indicator of a
651:(in Italian). Unione Escursionisti Torino: 3
591:
545:Bollettino della Società geologica italiana
434:(in Italian). Newton Compton. p. 119.
512:
510:
567:AA.VV. (1989). "Scheda 2 – Pietra Alta".
367:
365:
363:
258:Morainic amphitheater of Rivoli-Avigliana
304:
230:
507:
462:
460:
458:
715:
566:
541:
371:
360:
614:
608:
495:(in Italian). Pro Natura Torino. 2012
397:
395:
393:
516:
455:
640:Domenica Biolatto (December 2020).
82:
61:The Pietra Alta, in the background
13:
596:(in Italian). www.valdellatorre.it
390:
14:
749:
697:(in Italian). Comune di Caselette
81:
74:
55:
687:
663:
633:
256:The Pietra Alta belongs to the
695:"Alla villa romana e ai laghi"
585:
560:
535:
485:
421:
1:
353:
431:Piemonte magico e misterioso
7:
260:, and in particular to the
226:
10:
754:
251:
185:368 m (1,207 ft)
728:Glacial erratics of Italy
675:(in Italian). Gulliver.it
523:(in Italian). p. 107
181:
161:
151:
135:
100:
69:
54:
45:
23:
733:Rock formations of Italy
16:Glacial erratic in Italy
738:Climbing areas of Italy
621:(in Italian). p. 4
615:Motta, Michele (2004).
428:Renzo Rossotti (1994).
407:Fondo Ambiente Italiano
300:
166:
29:
375:Torino e Valle d'Aosta
321:
236:
723:Landforms of Piedmont
308:
234:
409:– I Luoghi del Cuore
320:close to the boulder
120:45.11242°N 7.49547°E
672:Pietra Alta (Masso)
116: /
594:"I massi erratici"
592:Giovanni Visetti.
517:Petrucci, Franco.
322:
310:Meditazione sonora
237:
337:Gian Carlo Grassi
316:) performed with
295:semi-arid climate
215:in the comune of
189:
188:
125:45.11242; 7.49547
745:
707:
706:
704:
702:
691:
685:
684:
682:
680:
667:
661:
660:
658:
656:
646:
637:
631:
630:
628:
626:
612:
606:
605:
603:
601:
589:
583:
582:
580:
578:
570:Studi piemontesi
564:
558:
557:
555:
553:
539:
533:
532:
530:
528:
514:
505:
504:
502:
500:
489:
483:
482:
480:
478:
464:
453:
452:
450:
448:
425:
419:
418:
416:
414:
399:
388:
387:
385:
383:
369:
314:sonic meditation
290:desert varnishes
177:
169:
131:
130:
128:
127:
126:
121:
117:
114:
113:
112:
109:
85:
84:
78:
59:
40:
32:
21:
20:
753:
752:
748:
747:
746:
744:
743:
742:
713:
712:
711:
710:
700:
698:
693:
692:
688:
678:
676:
669:
668:
664:
654:
652:
649:L'Escursionista
644:
638:
634:
624:
622:
613:
609:
599:
597:
590:
586:
576:
574:
565:
561:
551:
549:
542:AA.VV. (1922).
540:
536:
526:
524:
515:
508:
498:
496:
491:
490:
486:
476:
474:
465:
456:
446:
444:
442:
426:
422:
412:
410:
401:
400:
391:
381:
379:
372:AA.VV. (1965).
370:
361:
356:
348:Via Pietra Alta
303:
266:Riss glaciation
254:
229:
213:glacial erratic
171:
156:Glacial erratic
124:
122:
118:
115:
110:
107:
105:
103:
102:
96:
95:
94:
93:
92:
91:
90:
86:
65:
50:
48:Glacial erratic
41:
34:
26:
17:
12:
11:
5:
751:
741:
740:
735:
730:
725:
709:
708:
686:
662:
632:
607:
584:
559:
534:
506:
484:
454:
440:
420:
405:(in Italian).
389:
358:
357:
355:
352:
302:
299:
253:
250:
228:
225:
187:
186:
183:
179:
178:
163:
159:
158:
153:
149:
148:
137:
133:
132:
98:
97:
88:
87:
80:
79:
73:
72:
71:
70:
67:
66:
60:
52:
51:
46:
43:
42:
27:
24:
15:
9:
6:
4:
3:
2:
750:
739:
736:
734:
731:
729:
726:
724:
721:
720:
718:
696:
690:
674:
673:
666:
650:
643:
636:
620:
619:
611:
595:
588:
572:
571:
563:
547:
546:
538:
522:
521:
513:
511:
494:
488:
472:
471:
463:
461:
459:
443:
441:9788879836685
437:
433:
432:
424:
408:
404:
398:
396:
394:
377:
376:
368:
366:
364:
359:
351:
349:
345:
343:
338:
335:
331:
327:
319:
315:
311:
307:
298:
296:
292:
291:
286:
282:
278:
273:
271:
267:
263:
259:
249:
247:
243:
233:
224:
222:
218:
214:
210:
206:
202:
198:
194:
184:
180:
175:
168:
164:
160:
157:
154:
150:
146:
142:
138:
134:
129:
101:Coordinates:
99:
77:
68:
64:
58:
53:
49:
44:
38:
31:
22:
19:
699:. Retrieved
689:
677:. Retrieved
671:
665:
653:. Retrieved
648:
642:"Editoriale"
635:
623:. Retrieved
617:
610:
598:. Retrieved
587:
575:. Retrieved
569:
562:
550:. Retrieved
544:
537:
525:. Retrieved
519:
497:. Retrieved
487:
475:. Retrieved
469:
445:. Retrieved
430:
423:
411:. Retrieved
380:. Retrieved
374:
347:
340:
339:in his book
323:
313:
309:
288:
281:serpentinite
274:
264:left by the
257:
255:
238:
208:
204:
200:
192:
190:
18:
270:Susa Valley
197:piedmontese
193:Pietra Alta
174:Piedmontese
162:Native name
123: /
89:Pietra Alta
37:Piedmontese
25:Pietra Alta
717:Categories
354:References
235:South view
209:High Stone
207:, meaning
108:45°06′45″N
246:Alpignano
242:Caselette
217:Caselette
201:Pera Aota
182:Elevation
167:Pera Aota
141:Caselette
111:7°29′44″E
63:Mt.Musinè
30:Pera Aota
701:15 March
679:15 March
655:15 March
625:15 March
600:15 March
577:15 March
552:15 March
527:15 March
499:15 March
477:15 March
447:15 March
413:15 March
382:15 March
342:Sassismo
334:alpinist
277:Piedmont
227:Features
136:Location
283:with a
262:moraine
252:Geology
211:) is a
205:Peraota
152:Geology
438:
330:pitons
285:volume
170:
33:
645:(PDF)
326:bolts
318:gongs
139:Near
703:2021
681:2021
657:2021
627:2021
602:2021
579:2021
554:2021
529:2021
501:2021
479:2021
449:2021
436:ISBN
415:2021
384:2021
328:and
301:Uses
244:and
195:(in
191:The
203:or
143:, (
719::
647:.
509:^
457:^
392:^
362:^
297:.
272:.
221:TO
199::
145:TO
705:.
683:.
659:.
629:.
604:.
581:.
556:.
531:.
503:.
481:.
451:.
417:.
386:.
312:(
219:(
176:)
172:(
147:)
39:)
35:(
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
