Overview
Sion (Sitten in German) is the cantonal capital of Valais, situated in the Rhône Valley at roughly 500 m above sea level, flanked by steep vineyard terraces and two dramatically positioned rocky outcrops topped with medieval fortifications. It is one of the oldest continuously inhabited towns in Switzerland, with evidence of settlement stretching back more than 7,000 years.
Despite its modest size — a population of around 35,000 — Sion punches above its weight culturally and historically. The twin hills of Valère and Tourbillon, each crowned by a landmark monument, are visible from almost everywhere in the city and give it an instantly recognisable silhouette. The old town below contains a compact network of lanes lined with historic buildings, cellars, and local wine bars.
Sion also serves as a practical base for exploring one of Switzerland's most celebrated wine regions — the Valais produces a significant share of Swiss wine, including indigenous varieties such as Petite Arvine, Amigne, and Cornalin — as well as nearby ski destinations like Verbier, Crans-Montana, and Zermatt.
Before You Go
Switzerland is not a member of the European Union but is part of the Schengen Area. Entry requirements vary considerably by nationality. Do not rely on this guide for visa information — check TravelerPulse's Visas section and consult the Swiss State Secretariat for Migration (sem.admin.ch) well before travel.
Sion has a continental alpine climate. Summers are warm and often sunny, with temperatures regularly exceeding 25 °C — the city is one of the sunniest in Switzerland. Winters can be cold and foggy in the valley floor, though clear days are common. Pack layers regardless of season, as temperatures can shift quickly with altitude changes if you venture into the mountains.
The Swiss franc is the only currency accepted; credit and debit cards (Visa, Mastercard) are widely accepted in shops, restaurants, and hotels, but smaller cellars and market stalls may be cash-only. Tipping is not mandatory in Switzerland — a rounding-up of the bill is appreciated but never expected.
Getting There
By Train
Sion is on the main SBB (Swiss Federal Railways) line running through the Rhône Valley between Lausanne and Brig. Direct trains from Lausanne take roughly one hour; from Geneva Airport, journey time is approximately 1.5–2 hours with a change possible at Lausanne or direct on some services. Verify current schedules and fares at sbb.ch.
By Car
Sion is accessible via the A9 motorway (Autoroute du Rhône), which runs the length of the Valais valley. Driving from Geneva takes around 1.5 hours depending on traffic; from Zurich roughly 2.5–3 hours. Parking in the city centre is limited; several public car parks are available near the old town — verify locations and tariffs locally.
By Air
The nearest major international airport is Geneva Airport (GVA), approximately 160 km west. Zurich Airport (ZRH) is also viable for connections. Sion Airport (SIR) exists but operates limited commercial and charter flights — verify current routes before planning around it.
Getting Around
Sion's old town and main attractions are compact and best explored on foot. The twin castle hills require a short but reasonably steep walk; paths are well-maintained but can be slippery after rain.
Local buses (CarPostal and municipal lines) connect the city centre with surrounding neighbourhoods. The main train station is a 5–10 minute walk from the historic core. Taxis are available and can be booked via local operators — verify current providers on arrival.
If you plan day trips into the Valais, a combination of train and PostBus (postauto.ch) reaches most valley villages and mountain resort bases. A Swiss Travel Pass or regional pass may offer savings if you are making multiple journeys — compare options at sbb.ch before purchasing.
Things to See & Do
Château de Valère
Perched on the eastern hill, Valère Basilica (Notre-Dame de Valère) is a fortified Romanesque church dating from the 12th–13th centuries. It houses what is claimed to be one of the oldest playable pipe organs in the world, dating to around the 14th century. The site also contains a cantonal museum. Opening hours and admission fees vary — verify at musees-valais.ch or at the site itself.
Château de Tourbillon
The ruins of Tourbillon Castle crown the western hill, offering panoramic views of the Rhône Valley and surrounding Alps. The site is generally freely accessible during daylight hours in the warmer months, though this should be confirmed locally as conditions and access can change.
Old Town (Vieille Ville)
The pedestrianised old town contains the Cathedral of Notre-Dame du Glarier, the Tour des Sorciers (Witches' Tower), the Hôtel de Ville (Town Hall), and a variety of historic facades. Wandering without a fixed agenda is an effective way to take it in.
Valais Wine Tasting
The vineyards immediately surrounding Sion and along the valley are the backbone of Valais viticulture. Many local caves (wine cellars) offer tastings; some require appointments. The Valais wine route (Route des Vins) provides a structured way to explore producers — details at myvignoble.ch or verify locally.
Musée d'Art du Valais / Musée d'Histoire du Valais
Both are part of the Musées Cantonaux network and are located in or near the old town. They cover fine arts, regional history, and archaeology. Check musees-valais.ch for current exhibitions, hours, and fees.
Food & Drink
Valaisan cuisine is hearty and rooted in alpine tradition. Raclette — cheese melted and scraped onto boiled potatoes, served with pickles — is deeply associated with the Valais and widely available. Fondue is also common. Local charcuterie, particularly dried meats (viande séchée du Valais, which holds an AOP designation), is a regional speciality worth seeking out.
Sion's restaurant scene ranges from traditional Swiss brasseries and cave restaurants (often paired with wine tastings) to Italian and French-influenced dining, reflecting broader Swiss tastes. The old town has the highest concentration of eating and drinking options. Lunch menus (menu du jour) at local restaurants typically offer good value — prices will be Swiss-level, so expect to pay more than in neighbouring France or Italy.
Valais wines are the obvious accompaniment to any meal. Look for Fendant (Chasselas), Johannisberg (Sylvaner), Humagne Rouge, and the rarer indigenous varieties mentioned above. Local beer and mineral water from regional springs are also available widely.
Practical Information
Emergency Numbers
Europe-wide emergency number: 112. Swiss-specific: Police 117, Fire 118, Ambulance 144, Swiss Rescue (mountain emergencies) 1414. Verify these are current before travel.
Health
Switzerland has an excellent healthcare system. EU/EFTA citizens should carry a European Health Insurance Card (EHIC) for emergency coverage, though it does not cover all costs. Travel insurance with medical coverage is strongly recommended for all visitors. The nearest hospital is Hôpital du Valais — verify current locations and services at hopitalvs.ch.
Connectivity
Free public Wi-Fi is available at the train station and in some public areas. Swiss SIM cards and data plans are available at phone shops and some convenience stores. Roaming within Schengen countries may apply depending on your home plan.
Opening Hours
Shops typically open Monday–Saturday; many close on Sunday. Smaller businesses and wine cellars may have irregular hours or close mid-afternoon. Always verify before making a special trip.
Local Culture & Etiquette
Sion is a French-speaking city, and French is the expected language of daily interaction. Many people in tourism and hospitality also speak English, but making an effort with basic French is appreciated.
The Valais has a distinct regional identity within Switzerland, and locals take considerable pride in their wine, food traditions, and landscape. The carnival period (Carnaval de Sion) and summer festivals bring additional life to the town — verify the calendar of events at sion.ch before travel.
Religious sites such as the Valère Basilica are active places of worship as well as tourist attractions. Dress modestly when entering churches, keep noise levels low, and follow any signage about restricted areas.