Como to Konstanz Road Trip: Alpine Lakes & Hidden Gems

From the shimmering southern shores of Lake Como to the medieval spires of Konstanz on Lake Constance, this 310-kilometer route crosses the spine of the Alps via the San Bernardino Pass. The journey, mostly on the A2/E35 motorway, takes about 3.5 hours without stops—but the real value lies in the detours and slow stretches where the landscape unfolds.

Did you know the San Bernardino Tunnel, completed in 1967, was the longest road tunnel in Switzerland until 1980? Its 6.6 kilometers cut travel time by an hour compared to the old pass road, yet many locals still prefer the open-air route for its dramatic switchbacks and views of the Hinterrhein Valley.

So how long to drive Como to Konstanz? Without stops, 3-4 hours. But is it worth driving Como to Konstanz? Absolutely—the route offers a condensed tour of Alpine geography, from Italian lakeside elegance to Swiss orchard-lined valleys and the vast freshwater sea of Constance. For the best experience, learn how to find the best stops and hidden gems between cities to turn a mere transfer into a journey.

Fatigue Management & Rest Zones: On a 3-4 hour drive, at least one break is recommended. The best rest stops are the Swiss Raststätte along the A2: Raststätte Gotthard (km 120) has a panoramic terrace overlooking the valley; Raststätte San Bernardino (km 140) has a gas station and playground. Exit at Bellinzona for the first proper break; the rest area near Bellinzona Sud has a coffee shop and restrooms. For a longer rest, park at the San Bernardino Pass summit parking lot (free) and take a 15-minute walk to the mountain chapel.

• Recommended rest intervals: Every 90 minutes. Stop at Bellinzona (1 hr), pass summit (2 hrs), and maybe Chur (2.5 hrs).

Family and Child Suitability: The route is family-friendly, especially with playgrounds at rest stops. In Switzerland, children under 12 must be in appropriate child seats; rental outlets can provide them. The Verzasca River near Bellinzona has shallow areas for paddling (spring/summer). The Swiss Transport Museum in Lucerne is a 1-hour detour, but nearer to Konstanz is the Sealife in Konstanz itself. The old San Bernardino Pass road has sharp bends that may cause car sickness; stick to the tunnel for sensitive kids.

Pet-Friendly Framework: Swiss motorways allow pets in cars, but require them to be in a crate or behind a net (for dogs). Rest stops have designated dog-walking areas (marked with a dog symbol). Many restaurants along the route allow dogs on terraces; indoors typically not. The San Bernardino Pass area is excellent for dog walks—unleashed allowed on marked trails. In Konstanz, the lakeside promenade is dog-friendly. Pet supplies are available at Migros and Coop supermarkets.

Hidden Off-Route Spots: For those with extra time, consider these detours:

1. Valle Verzasca (30 min detour from Bellinzona): Drive to the famous Ponte dei Salti, a Romanesque stone bridge over emerald pools. Perfect for a swim in summer.
2. Via Mala Gorge (15 min detour near Thusis): A historic mule track carved into a narrow canyon with views of the Hinterrhein—walk the suspended path.
3. Pizol Lakes (45 min detour from Koenigssee): A high-altitude cable car and hike to five turquoise mountain lakes; plan half a day.

Further Resources: For local traffic updates, use the TCS app. For real-time webcams of the pass, visit san-bernardino.ch. And if you want to discover more secrets along any route, our guide on how to find the best stops and hidden gems between cities will help you plan future trips.

Natural Landscapes & Attractions: The route is a masterclass in Alpine diversity. From Como, the lake's western shore is lined with elegant villa-dotted hills—stop at the village of Cernobbio for a waterside coffee. As you ascend into Switzerland, the landscape constricts into the steep Morobbia Gorge near Bellinzona. The San Bernardino Pass area offers stark alpine tundra; the old pass road (free, but requires care) leads to the 2,065-meter summit with panoramic views of the Rheinwaldhorn glacier. The descend into the Hinterrhein Valley reveals the wild Rhine gorge (Rofflaschlucht) and the turquoise Verzasca River near Bellinzona. North of Chur, the landscape softens into the apple orchards of the Bündner Herrschaft and the vineyards of the Rhine Valley. Lake Constance itself is a freshwater inland sea—stop at the Seebühlpromenade in Konstanz for a view of the lake and the Alps behind.

• Must-see natural spots: Cernobbio lakeside (Como), San Bernardino Pass summit (CH), Rofflaschlucht waterfall (CH), Lake Constance shoreline in Konstanz (DE).
• Hidden gem: The Lago di Luzzone reservoir (by detour to Olivone) has a seasonal summer-only road that offers a surreal turquoise lake.

UNESCO World Heritage Sites: Bellinzona’s three castles (Castelgrande, Montebello, Sasso Corbaro) are a UNESCO World Heritage site, a short detour from the A2 (exit Bellinzona Sud). These medieval fortifications, built 13th-15th centuries, controlled the access to the Alps. Allow 1.5 hours to visit the main castle and walk between them via the city walls. The old town of Chur, Switzerland’s oldest city, is also a candidate—its cathedral houses the oldest stained-glass windows in Continental Europe.

Culinary Infrastructure: Swiss cuisine along the route emphasizes cheese and potatoes: try a Käse-Vorspeise (cheese plate with bündnerfleisch) at a Bergrestaurant on the pass. For a break near Chur, the Restaurant Stern (Chur) serves Bündner Gerstensuppe (barley soup). In Konstanz, the harborside restaurants offer fresh Bodensee fish (Felchen, perch). Pack a picnic from a Coop or Migros supermarket; many stops have scenic picnic tables. Vegetarian options are widely available; gluten-free less so, but increasing.

Local Commerce & Culture: In the valleys, small farmers sell seasonal produce—autumn brings apples and pears along the Bündner Herrschaft. Swiss Sundays close most shops, so plan supplies in advance. The town of Landquart (near Chur) has a large outlet center (Landquart Fashion Outlet) for discount designer shopping. In Bellinzona, Saturday markets fill the piazza with local cheeses and cured meats. Along the old San Bernardino Pass, artisans sell wood carvings in small village shops.

Fuel and Route Economics: Fuel prices in Switzerland are about 20% higher than in Italy (CHF 1.80/liter vs €1.50). Fill up in Como before crossing the border. Toll costs: a Swiss motorway vignette (CHF 40) is mandatory for the entire Swiss portion—buy it at the border or at a gas station near Chiasso. Italian tolls from Como to the border are minimal (€1-2). The route consists of: A9 in Italy, then A2/E35 in Switzerland, with a possible detour onto the old San Bernardino Pass road (H13) for scenery.

• Key roads: SS340 (Italy) → A9 → E35 → A2 → exit for Konstanz (E54).
• Milestones: Chiasso (border), Bellinzona (60 km), San Bernardino Tunnel (140 km), Chur (190 km), Konstanz (310 km).

Climatic Conditions & Route Aesthetics: The drive spans three climate zones: Mediterranean around Como (mild winters, hot summers), Alpine at the pass (snow possible October-April, often foggy), and continental around Konstanz (cool summers, cold winters). Summer offers the best visibility and full access to mountain roads. In winter, the San Bernardino Tunnel is reliable, but the old pass road may close due to snow—check road conditions before departure. The aesthetics vary from terraced vineyards on Lake Como to the raw granite peaks of the Adula Alps, then to the pastoral Swiss Prättigau valley and finally the reedy shores of Lake Constance.

Infrastructure Safety & Road Quality: Swiss motorways are in excellent condition—smooth asphalt, clear signage, and frequent emergency phones. Italian A9 is good but narrower and with older pavement near the border. Speed limits: 120 km/h on Swiss autobahns, 100 km/h on main roads, 50 km/h in towns. Radar cameras are common in Switzerland; fines are steep (starting at CHF 40). Truck restrictions on Sundays and public holidays apply on the A2. Adequate rest areas every 20-30 km with toilets and picnic tables.