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Routes
Italy
Piedmont
Alessandria
Rocca Grimalda

Castello di Lerma – Oratory of San Defendente loop from San Giacomo

Routes
Italy
Piedmont
Alessandria
Rocca Grimalda

Castello di Lerma – Oratory of San Defendente loop from San Giacomo

Hard

5.0

(1)

2

riders

Castello di Lerma – Oratory of San Defendente loop from San Giacomo

02:24

31.2km

700m

Gravel riding

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: May 17, 2026

Waypoints

A

Start point

Train Station

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1

1.63 km

Church of Saint Sebastian Martyr, Silvano d'Orba

Highlight • Religious Site

Via Merli, 32, 15060 Silvano d'Orba AL

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2

2.15 km

dominates the town and the Orba valley from above and is, together with the castle, the building that identifies the town from afar; built in the 15th century but remodeled in the following centuries; inside there are frescoes by the 19th century Ponza painter Pietro Ivaldi, known as the Mute; on the façade a St. Peter receiving the keys;
storiadeisordi.it/2006/03/30/pietro-ivaldi-detto-il-muto-il-pittore-di-toleto

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3

5.76 km

Section of mixed gravel-earth path above the Strada Bacchetti vineyards

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4

9.88 km

The Piota Beach

Highlight • Beach

here the stream passes a few meters from the road and is therefore easily accessible; in the summer, excellent for a stop and a refreshment; normally clear, in these months (2024) the water is cloudy due to the works upstream on the dam.

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5

12.3 km

Castello di Lerma

Highlight • Castle

The castle of Lerma dates back in its fundamental structures to the end of the 15th century when the construction was carried out by Luca Spinola. The imposing castle building stands on a tufaceous rock overlooking the Piota river and preserves the ancient "ricetto" intact within the city walls, the first nucleus of the village which took the name of l'Herma.

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6

15.2 km

Sanctuary of Our Lady of Rocchetta

Highlight • Religious Site

The church of S. Maria della Rocchetta, today called Nostra Signora delle Grazie, was built before 1291 downstream from the now destroyed monastery of S. Maria di Bano, very active in the 13th century. The site was already frequented by the Celts who often had sanctuaries in places rich in water. The Piota stream right near Rocchetta receives the Malpertuso tributary. Even the Gorzente, the Latin Gurgentum, flows into the Piota shortly before. Along these streams the Ligurians and then the Romans extracted gold from the gold mines. The Genoese Spinolas, lords of Lerma, were responsible for the expansions of the complex from the end of the 1400s to the 1600s. The Spinolas had turned to Nostra Signora della Rocchetta to obtain the grace of a long-awaited offspring. Reachable along a road marked by the aedicules of a Via Crucis dating back to the 19th century, the church stands in a dominant position on a puddinga spur overlooking the Piota stream. The complex, which in the Middle Ages hosted travelers along the road that connected Monferrato to Liguria through the huts of Marcarolo, confirmed its vocation for hospitality during the last world war when the chaplain Don Luigi Mazzarello hid there some Jews who had escaped the racial persecution (tombstone). Open to the public on the occasion of particular religious holidays, the church preserves frescoes from the 17th century which have recently been restored. The painting of St. Giovannino was donated to Don Luigi by Enrico Levi as a sign of gratitude, together with the St. Carlo Borromeo, while the large painting with the Vision of St. Bernard of Clairvaux clarifies the connection between the hospice for pilgrims and wayfarers , present in Rocchetta, and the nearby Cistercian monastery of Bano. Until the recent post-war period, the sanctuary was a destination for pilgrimages from the surrounding towns: the so-called "rogations" to beg for rain on the local crops.

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7

23.0 km

Oratory of San Defendente

Highlight • Religious Site

church built between the end of the 16th century and the beginning of the 17th century; good shelter in case of need;

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8

24.3 km

Church of San Rocco

Highlight • Religious Site

seventeenth-century oratory; celebration on August 16th

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B

31.2 km

End point

Train Station

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Way Types & Surfaces

Way Types

18.8 km

9.93 km

1.73 km

772 m

Surfaces

17.3 km

9.93 km

3.85 km

153 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (490 m)

Lowest point (150 m)

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Weather

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Sunday 31 May

30°C

18°C

-- %

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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