Historical landmark · Alto Reno Terme

Molino di Nazareno

Alto Reno Terme, IT 4.7 (63 Google reviews)

AT A GLANCE

Why go?

Molino di Nazareno is an old water mill perched against the hillside in the hamlet of Casa Lazzaroni, high in the Tuscan–Emilian Apennines above Granaglione, now part of the municipality of Alto Reno Terme in the Metropolitan City of Bologna. Long the workhorse of a mountain community that lived by its chestnuts, the mill ground grain until the 1970s and still clings to the rock as though unwilling to yield to time. Today it survives as a historical landmark and, more famously, as the doorway to one of the prettiest little waterfalls in the Reno valley.↗↗↗

Beside the millhouse the water falls in clear, crystalline sheets into a deep green basin — a bottaccio, the pool that once gathered the flow powering the wheel — glowing emerald with streaks of blue and hemmed in by lush woodland. A fresh mountain spring bubbles up nearby. The combination of a weathered four-story mill and a vivid waterfall in the middle of the forest gives the spot an almost fairy-tale atmosphere, which is why a short detour off the valley road here is one of the most rewarding stops in the area.↗

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Historical landmark · Alto Reno Terme

Molino di Nazareno

Alto Reno Terme, IT 4.7 (63 Google reviews)

Photo: Google Maps

AT A GLANCE

Why go?

Molino di Nazareno is an old water mill perched against the hillside in the hamlet of Casa Lazzaroni, high in the Tuscan–Emilian Apennines above Granaglione, now part of the municipality of Alto Reno Terme in the Metropolitan City of Bologna. Long the workhorse of a mountain community that lived by its chestnuts, the mill ground grain until the 1970s and still clings to the rock as though unwilling to yield to time. Today it survives as a historical landmark and, more famously, as the doorway to one of the prettiest little waterfalls in the Reno valley.↗↗↗

Beside the millhouse the water falls in clear, crystalline sheets into a deep green basin — a bottaccio, the pool that once gathered the flow powering the wheel — glowing emerald with streaks of blue and hemmed in by lush woodland. A fresh mountain spring bubbles up nearby. The combination of a weathered four-story mill and a vivid waterfall in the middle of the forest gives the spot an almost fairy-tale atmosphere, which is why a short detour off the valley road here is one of the most rewarding stops in the area.↗

↗

A mill that once fed the mountain

Granaglione has long been called the "town of hydrangeas," but its older story is written in chestnuts. Up through the 1960s this was a land of shepherds, woodcutters and small farms, where the chestnut was bread for people who could not easily reach the valley floor. A mill built into the slope was a vital piece of infrastructure: it turned grain — and the dried chestnuts ground into sweet flour — into the food of the surrounding hamlets. Molino di Nazareno, working until the 1970s, is the last vivid reminder of that economy, its tall stone shell holding on to the mountainside exactly as it did when the wheel still turned.↗↗

The waterfall and the emerald pool

What visitors come for, even more than the millhouse itself, is the water. Just beside the old building a cascade tumbles down, its water so clear it looks like glass, gathering in a deep pool of emerald green that shifts toward turquoise at the edges. The basin is wrapped in thick forest, and a cold, drinkable spring rises close by, so the whole glen feels cool and shaded even in high summer. It is a small place, but the setting — stone mill, falling water, green pool, tall trees — makes it feel discovered rather than built, which is part of its charm.↗

How to get there

The mill lies in the locality of Casa Lazzaroni, off the road that threads the Randaragna valley above Granaglione. The recommended approach is a short walk: from Casa Lazzaroni take the path on the left, beside the road that runs toward Casa Moschini along the torrent, and in well under 100 metres you reach the mill and the falls. Coming up from Randaragna instead, you take the lane that drops down to the mill at the Randaragna bend and work your way back along the stream. The setting is wild and the access is on foot or by mountain bike, so treat it as a nature stop rather than a developed site.↗

Adding it to a day in the valley

Molino di Nazareno is one of the named highlights of a panoramic slow-cycling loop through the authentic Apennine hamlets around Granaglione, a route that also passes the Sanctuary of Calvigi, the little castle of Granaglione and the stone villages of Lustrola and Borgo Capanne. The detour to the mill is made from Casa Lazzaroni, and the descent toward Molino del Pallone and the Reno valley offers a summer riverside spot where you can cool off as people used to. Pairing the waterfall with a wander among the hydrangea-draped villages and the chestnut woods turns a single curiosity into an easy half-day outing in the hills above Porretta Terme.↗↗

What makes it special

01

A weathered four-story mill clinging to the mountainside, in operation until the 1970s.↗↗

02

A clear, crystalline waterfall spilling into an emerald-green basin ringed by forest.↗

03

Reached by a short path of under 100 m from Casa Lazzaroni along the torrent.↗

04

A named stop on the slow-cycling loop through Granaglione's authentic hamlets.↗

A little planning goes a long way

Plan a short walk from Casa Lazzaroni rather than driving right up to the water; the last stretch runs alongside the stream and the path is brief but unpaved, so sturdy shoes are worth it.↗
It is an outdoor landmark in open countryside, effectively accessible around the clock, with no ticketing or set hours — mornings are quietest and the light through the trees flatters the green pool.↗
Summer is the best season to combine the visit with a dip in the Reno river down the valley; bring water and take your rubbish with you, as the glen has no facilities.↗

About this guide

Compiled with AI assistance from the sources below; this is not a first-hand visit. Place details collected October 5, 2026. Hours, access and ratings can change; confirm with the venue before visiting.

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Granaglione, 40045, 40046 Alto Reno Terme BO, Italy

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As reported by Google Maps. Confirm holiday hours before you go.

Friday: Open 24 hours
Monday: Open 24 hours
Sunday: Open 24 hours
Tuesday: Open 24 hours
Saturday: Open 24 hours
Thursday: Open 24 hours
Wednesday: Open 24 hours

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Molino di Nazareno

Why go?

More of Italy: Lucca

Finding your next place…

Molino di Nazareno

Why go?

More of Italy: Lucca

A mill that once fed the mountain

The waterfall and the emerald pool

How to get there

Adding it to a day in the valley

What makes it special

A little planning goes a long way

About this guide