3

21

A

A

B

B

C

C

Artificial

entrance

Side passage

(see plan)

1st sump

+13 from entrance

See enlarged

survey

Temporary sump

+ 8,5 from entrance

Senaiga river

Natural

entrance

Shepperd

chamber

Young girl

passageCyclop’s lake

(+ 6 from entrance)

by pass

20 m

North

South

D

E

E

F

G

G

HI

I

M

L

L

F

D

H M

Gate

0 7 14 21 28 35

m.

Scale of elevation view 1:700

0 5 10 15 20 25

m.

Scale of sections 1:500

Tunnel direction (azimuth)

0 40 80 120 160

0

100

200

300

400

Cumulative length of tunnels (m)

Tunnel direction (azimuth)

Length

m

0

45

90

135

180

225

270

315

0 2 4 6 8 10

3

4

4

2

Data aquisition with Laser scanner

1

Natural entrance along Senaiga river

Speleotheme along main tunnnel

Negotiating the temporary sump during a flood

Aerial photo

a colori

(Web Gis

Provincia di Trento)

3

footbridge

Breakdown deposits

speleothems

Photo

Land Technology and Service (LTS, Treviso)

Gruppo speleo Arianna, (Treviso)

Position: Castel Tesino (TN) along Senaiga river

Entrance el. : 947 m (from 1:25000 topographical map)

Date of survey: 2010-2011-2012

Latitude: 46° 5’ 16,62” N; Longitude: 11° 40’ 56,01” E (WGS84)

IGM Map: Fo. 22 III NE Val Tolva; Geologic map Feltre n. 22

Survey precision: main tunnel with

, laser meter, clinometer

Total difference in elevation: 32 m (+20m; -12m); Plan extension: 658 m

Castel Tesino Cave (ITALY)

ELEVATION VIEW

laser scanner (res. 4 points/ cm, Società LTS,

Treviso); side tunnels grade 6/D (BCRA);

Underwater passages grade 3/C (BCRA), compass

Survey: Alessio Fileccia

Survey team: Bonagrazia Luciano, Calderolla Emanuela, De Angelis Andrea,

De Mori Michele, Fabbro Paolo, Favaro Andrea, La Prova Gianfranco, Tormene Giuseppe

Trento