Val Caprile and Val di San Lorenzo – former CAI 32 and 31 discontinued
Little Fish Trek
Monte Grappa massif: ascent from the Canale del Brenta in Valsugana through Val Caprile / Val dell’Asta to the Strada delle Peníse, and return via Val di San Lorenzo.
On the west side of Monte Grappa overlooking the Canale del Brenta, there are numerous marked and numbered CAI routes; some of these have been discontinued over time, and all intersect – more or less around 1,000 meters of elevation – the Strada delle Penise beyond which you can continue in various directions.
In this case, I hiked a circuit with Val Caprile in the initial ascent and Val di San Lorenzo in the descent.
These are two very old former CAI trails: number 31 of Val di San Lorenzo appears on an old 1983 map and never again; number 32 of Val Caprile does not even appear on that map as a CAI route.
Despite being discontinued longer ago, the former CAI 32 – which is basically more difficult – is in better condition and with recent maintenance in some key passages.
They have very different characteristics.
The former CAI 32, after a short initial stretch, runs almost entirely on ridges (straddling Val Caprile and Val dell’Asta) and “airy” slopes.
The former CAI 31 is well entrenched inside Val di San Lorenzo.
Overall, this itinerary is a “good wild training” for those interested in “off-the-beaten-path” routes, and certainly requires technical commitment and micro-orientation skills.
Author’s recommendation
The former CAI 32 shares two sections with the CAI Castelfranco Veneto del Grappa Occidentale Trail.
The CAI Castelfranco Veneto del Grappa Occidentale Trail IS RECOGNIZABLE by its white-yellow band signs, and after the second common section there are still a couple of yellow marks (of shape and tone different from the official ones) bearing no relation.
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MANY of the published photos are taken in vertical format due to the "narrowness of the photographic spaces" available.
Preview format does not show them clearly, and it is better to view them in fullscreen mode to clearly understand some passages.
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Within the narrow valleys of this hike, the GPS suffers signal bounce in various points.
Therefore, the recorded track should not be followed blindly as it appears on the device, but integrated with on-site observations of the day.
Derived from the technical difficulty and the stamina requirements.
Track types
Show elevation profileSafety information
Avoid with snow below the elevation of Strada delle Peníse.
Avoid with ice and heavy recent rains at all elevations.
Tips and suggestions
Period choice
I indicated the whole year as recommended period for this hike because it is not long timewise and daylight hours are always sufficient.
Just plan the outing with dry ground, or – if in winter – not hardened by a long freezing period.
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For a comprehensive overview of the itineraries covered and described on the Monte Grappa Massif, you can refer to the link → Monte Grappa Massif – unusual hikes and snowshoe hikes.
Roadbook
Premise
This route was hiked on November 28, 2020, and all subsequent observations and considerations may fully apply only to that day.
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Ascent from San Marino to the Strada delle Peníse for the first part of Val Caprile along the former CAI trail 32
The parking lot is at Trattoria Impero, which can be considered the endpoint of the recommended south-north direction of the CAI Castelfranco Veneto del Grappa Occidentale Trail.
From the trattoria, go south towards Via Col Moschin (the one by the Cemetery) and climb a few meters up to the first hairpin turn to the left: here there is already a white-yellow marker of the CAI Castelfranco Veneto del Grappa Occidentale Trail inviting to turn right, cross the artificial canal of the Val Caprile basin, and continue along the right edge heading uphill.
Then cross the cemetery road again and continue inside the artificial canal for about a hundred meters, climb up steps on the right edge and immediately reach a concrete structure with very evident arrow and “439” written indicating the direction of the related pylon.
Now you have to go to pylon 439 following the numerous red ENEL marks.
Along this stretch, there are very few and very faded markers of the former CAI 32 and it is not worth trying to find them: the many ENEL signs are more than enough – at some point, the white-yellow signs also reappear.
Pylon 439 is at the top of the ridge dividing Val Caprile from Val dell’Asta, and the ridge is followed upwards.
From here, the ENEL marks continue towards pylon 440 as well as the white-yellow signs.
You reach a forest saddle several meters long, at the end of which there is a fork indicating ENEL pylon 440 to the left: go straight ahead abandoning the ENEL route and also the CAI Castelfranco Veneto del Grappa Occidentale Trail – in the correct direction, a few meters later there is still an evident CAI marker with number 32.
Now the path crosses for a long stretch encountering a couple of small red marks and another couple of yellow marks.
At the second yellow mark I saw (with very faded CAI mark nearby), the trail reaches under a kind of short small valley that enters a steep grassy slope.
After a few meters on the right, a narrow but marked track appears turning left into a steep ascent, then returning higher up with a right tendency always on a steep and exposed slope: in total the climb is about 100 meters elevation, and sometimes hands must be used to help on exposed grassy steps.
After the "slightly difficult" steep grassy part, you continue on the line of maximum slope of a comfortable ridge.
This ridge leads under a ridge spur which is circumvented to the left on a degraded trail indicated by some cut twigs.
Then you have to climb to a small saddle between this first spur and a higher one: there are uncertain traces, with cut twigs, at the beginning of the short steep climb near a red mark before a small transverse valley.
Above the saddle begins a short key passage: the trail, which becomes clearer here, is partly collapsed on a VERY EXPOSED traverse.
There is a helping steel cable but it is fixed somewhat high relative to where feet can be placed (and looking closely there is no alternative fixing): thus, if you want to use the cable with your hands, you cannot properly rest your feet and you must hang on strongly (in 2017 there was an additional red cable which is no longer there).
Since I remembered the cable too far from the base for the feet, I had a long tape in my pocket, to which I made a couple of loops and then hooked it to the cable with a "bocca di lupo" creating an "extension from the cable": at that point I "traversed" on what remained of the collapsed and exposed trail sliding, as security, the tape forward on the cable – this can be a solution, then everyone uses their own systems.
Immediately after, the clear path resumes uphill on a steep but not too steep ridge, exiting to the right for a few meters then climbing it again from a large cut branch signal.
A few more meters and you reach a distinctive passage: there is an old but very solid metal ladder at the start of a rocky step which leads into a rock notch walkway with a brand-new helping chain.
Above the rocky step is a pole with a torn flag of the Serenissima Republic: this must be a fairly windy spot, because over the years I have found several flags always in tatters.
A few meters further there is a well-preserved CAI marker with number 32, and you traverse to a sharp left turn to climb some rocks using your hands.
Above this step is a small iron statuette representing an Angel.
After the Angel there is a few more meters of steep climb where, upon exit, starts a brand-new chain that accompanies along a beautiful and exposed ledge going right.
At the end of the ledge, you enter, with a left hairpin, into a long diagonal notch that ascends a nice steep rocky step: it is STEEP, and here too there is a new chain that has replaced (or complements) the old iron cables.
Above the rocky step you are in the final wood: here there are some cut branches guiding on uncertain tracks to the right, then you climb briefly the easy forest slope until you reach the Strada delle Peníse.
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Connection between the end of the ascent of the former CAI 32 and the start of the descent of the former CAI 31 in Val di San Lorenzo
Simply follow the Strada delle Peníse initially northeast for about twenty minutes at an easy pace.
At the start of the descent trail to the left, there is a small wooden arrow with "Bastianazzi" written, stuck on a tree with a yellow ribbon.
It is just a bit below the forest road and not very noticeable: here a previous GPS track helps to identify the turning point.
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Descent through Val di San Lorenzo along the former CAI 31 trail
The path begins very wide and gently sloping to the left, after a couple of sharp turns it reaches a small step with a chain, and then a stretch with three hairpins where the track gets a bit confused with others: however, some cut branches, a couple of typical orange ribbons of this valley and also a couple of old CAI markers appear.
Now the path makes a long curve to the right until encountering a "nice cable at human height" of a forest cableway.
Less than 50 meters after the cable, the key orientation section of the descent begins.
The path reaches the edge of a gully with white rocks emerging from the forest floor, and starts flanking it at various distances downhill (without ever crossing it) with some bends – thus the gully remains on the right side going down, and it is good to remember this.
Soon after an obvious group of cut branches used as signals, the path turns with a traverse to the left and enters a stretch of forest with almost all trees knocked down.
Do not follow the path and "fight with the fallen trees," because anyway the path later returns to the right lower down to enter right into the bottom of the right gully where it becomes easy.
Therefore, it is better to cut directly down the steep but not too steep forest slope, keeping an eye on the fallen trees on the left and the gully on the right: little by little you get closer to the gully and find the trail again.
Finally, you enter the right gully at a large orange ribbon fixed on a big tree (before this you could/should see another couple of ribbons and some cut branches).
Then follow about forty meters downhill along the gully until it joins another main gully arriving from the left.
Another 40/50 meters along the main gully and you must cross left a marked erosion ditch – there is a small track ending with a cairn at the start of a wide mule track in the left forest: walking down slowly these 40/50 linear meters the start of the mule track becomes visible.
The bottom of the mule track descends gradually (sometimes rutted but always visible) then almost disappears before crossing a small side creek arriving from the left: it resumes just below as a narrow path that shortly again becomes a good mule track with supporting walls.
You reach a "new degradation" that leads for a few meters into the basin of the main gully just above a drop.
You immediately exit again to the left to descend below the drop, then re-enter the basin on a very white and long almost flat slab that leads above another drop: here you exit right on a good track descending below this second drop.
After a short descent, the main gully basin is crossed for the last time from right to left, and you enter the final stretch of mule track which, instead of descending as before, continually improves until reaching the arrival point at Bastianazzi.
From here about 700 meters on asphalt leads back to the initial parking of Trattoria Impero.
Panorama
Costa
Col di Cera
Public transport
Public-transport-friendly
The San Marino FS station is less than 5 minutes’ walk from the hike start point.
It is served by numerous runs from early morning to late evening between Bassano del Grappa and Trento.
Given the not excessive duration of this hike, it is certainly possible – for those not living far away – to plan it with arrival and departure by train in the same day.
By consulting the Trenitalia website, you will find the solution.
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On this occasion I arrived by car, but I have often used the San Marino FS station together with others in Valsugana to organize cross-valley itineraries along the valley, both on the right and left hydrographic sides.
It works! 😉
Directions
The locality San Marino – starting point of the hike – is located on the left hydrographic side of the Canale del Brenta in Valsugana next to SS 47, between the well-known localities Carpanè-Valstagna to the south and Cismon del Grappa to the north.
The exit from SS 47 to the town is well signed from both north and south directions, and you must go towards Trattoria Impero on the north side.
Parking
Large parking lot next to Trattoria Impero.Coordinates
Book recommendation by the author
"VALSUGANA AND CANALE DEL BRENTA – 45 hikes and 5 stage routes"
by Paolo Bonetti and Marco Rocca
EDIZIONI VERSANTE SUD – LUOGHI VERTICALI Series
This exact hike is reported in this book.
Author’s map recommendations
Publisher TABACCO number 051 "Massiccio del Grappa Bassano - Feltre" 1:25,000
ITALIAN ALPINE CLUB Vicentine Sections of the C.A.I. "CANALE DEL BRENTA AND MASSICCIO DEL GRAPPA" 1:25,000
ZANETTI MAPS Paths traveled 105 "IL MASSICCIO DEL GRAPPA" 1:30,000 with GPS grid
Mountain Communities of Grappa - Brenta - Feltrina "The Massiccio del Grappa" 1:30,000
KOMPASS number 632 "Bassano del Grappa - Monte Grappa" 1:25,000
CAMMINABENE TRAIL MAPS no. 1 "Massiccio del Grappa" 1:25,000
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No map shows the entire route but they are always useful to understand in which valleys, among the many in Canale del Brenta, the hike takes place.
Book recommendations for this region:
Equipment
Standard hiking equipment.
Optionally a tape and/or a medium-length cord to be used as a "grip handle" in a short section with a steel safety cable somewhat far from the base of the path.
Localization
Derived from the technical difficulty and the stamina requirements.

User Questions