There is a way of travelling that refuses to hire a car in Mexico. It is not about budget or fear of the road but about preference: you like arriving in a town by bus, dropping your bag, walking the place for two or three days and moving on to the next while watching through the window. Guanajuato is one of the few states in central Mexico where that way of travelling fits almost without friction, as long as you accept one condition: the state you will get to know is not the whole map, but a specific arc across the north.
That arc links San Miguel de Allende, Dolores Hidalgo and the city of Guanajuato. It is around a hundred kilometres in all, in two bus legs of between one hour and an hour and a half, always above 1,900 metres. What follows explains why that route works so well for someone who travels like this, what it costs and what gets lost along the way.
01 A state that, without a car, you cross along the top
Guanajuato has two very different halves. To the south lies the Bajío, a farming and industrial plain crossed by the 45D motorway, with cities such as León, Irapuato, Salamanca and Celaya. To the north, the land rises towards drier ranges, and that is where the three towns that matter to this profile sit. For someone travelling by bus, that split has a practical advantage: the northern arc is well connected within itself. Between Guanajuato city and Dolores Hidalgo, Unebus and Flecha Amarilla run around thirty departures a day between them, with fares from about 90 pesos; between Dolores and San Miguel, the ride takes around an hour and ten minutes.
02 Coming in from the east and starting in San Miguel
The state's international airport, the Bajío airport, is in the municipality of Silao, which appears on the British advisory's list. So for this profile the natural way in is from the east: from Mexico City's Terminal Norte there are buses to San Miguel every hour, with a journey of about four hours; from Querétaro, 64 kilometres away, there are 15 to 20 buses a day and the ride takes around an hour and a half. Starting in San Miguel makes sense for another reason too: it is the easiest town to land in, with a compact centre declared a World Heritage Site in 2008.
San Miguel's friction is well known and worth taking seriously. It is 274 kilometres from Mexico City, close enough for many visitors to arrive from the capital at weekends, and according to cost-of-living figures reported by the local press in 2024 it is the most expensive municipality in the state, with a large foreign resident population going back decades. For someone travelling by bus with no rush, the fix is simple: arrive on a Monday or Tuesday, sleep two nights and leave before Friday.
03 Dolores Hidalgo, the stop the bus makes easy
Anyone driving from San Miguel to Guanajuato tends to pass through Dolores without stopping. Anyone going by bus has to pass through its terminal, and that changes your relationship with the place: getting off costs the same as staying on. Dolores is a working town, at about 1,980 metres, a Pueblo Mágico since 2002 and known above all for its ceramics industry, which employs a significant share of its inhabitants and whose output is sold across Mexico and beyond. The centre can be walked in an afternoon, and around the main square they sell ices in unusual flavours such as sapote, honey or aloe.
For this profile, Dolores plays a role that guidebooks leave out: it is the breather between two demanding towns. San Miguel asks for money and patience with crowds; Guanajuato asks for legs. A night in Dolores, with accommodation that usually costs quite a lot less than in San Miguel, spreads the effort and lets you reach the capital in the morning, with daylight for the sierra.
By car, Dolores is a town you drive through. By bus, it is a terminal where getting off costs the same as staying on.
04 The sierra through the window
Between Dolores and Guanajuato city there are 56 kilometres of road that pass through Santa Rosa de Lima and cross the Sierra de Santa Rosa, an area of mountains and oak forest shared by the municipalities of Guanajuato, Dolores Hidalgo and San Felipe. By bus it takes around an hour and a half. It is the leg that justifies the order of the route: you leave the dry plain of Dolores, climb through trees and drop towards a town wedged into a ravine. Anyone driving along the Bajío motorway never sees this landscape.
There is a practical detail worth knowing before you arrive: Guanajuato's bus station is not in the centre but on the outskirts, on the road to Silao, in the Yerbabuena area. From there you reach the centre by city bus or taxi. It is not a serious problem, but it is the first reminder that the town is made to be walked from the inside, not entered with luggage.
05 A capital you climb on foot
Guanajuato city is built in a narrow valley, and that decides everything else. Many of its streets are alleys that cars cannot use; others are long stairways climbing the slopes, and part of the traffic runs through underground streets and old tunnels. The historic centre and the nearby mines have been a World Heritage Site since 1988. For someone travelling without a car, this is the best news of the trip: here a car would be a nuisance, and walking is not one option among others but the normal way of getting around.
The other side is physical. The town sits at around 2,000 metres and almost any walk ends in a climb: to the hillside neighbourhoods, to the viewpoints or to the mines. For the first two days it pays to go slowly, drink water and not plan too much; the high-altitude sun tires you more than it seems. And there is a calendar friction: in October, during the Festival Internacional Cervantino, the town fills up and accommodation becomes pricier and scarce. If your trip falls on those dates, book well ahead or rethink the order and leave the capital for another time.
06 What the bus leaves out
The northern arc works because it is short and well served. Outside it, the logic breaks down. Mineral de Pozos, the old mining town on the cover, with its roofless houses and the ovens of the Santa Brígida hacienda, is about 45 minutes from San Miguel by car; by public transport there is no direct line: you have to go to San Luis de la Paz and cover the last ten kilometres or so by taxi or local bus, and the journey can stretch to three hours. It can be done, but it takes the whole day.
The Sierra Gorda is a clearer case. The Guanajuato part of the biosphere reserve, added in 2007, covers 236,882 hectares in the municipalities of Xichú, San Luis de la Paz, Atarjea, Victoria and Santa Catarina, with winding mountain roads. A local bus reaches Xichú from San Luis de la Paz in about an hour and a half, with few departures a day. For this profile, the Sierra Gorda is not a day trip: it is another journey, requiring several days or hired transport. If that is what draws you most to Guanajuato, this article does not describe your way of travelling.
07 Verdict: who this arc works for
Guanajuato works especially well for someone who travels without a car and enjoys the journey as much as the destination, because its three northern towns are close together, at the same altitude, joined by frequent buses and separated by a stretch of sierra that deserves the window seat. It is a state that rewards walking: the capital practically demands it, and San Miguel and Dolores have centres you can cover on foot in little time. The route also coincides with the areas the current travel advisories do not flag, which simplifies the decision.
It works less well for someone who wants the whole state. Mineral de Pozos and the Sierra Gorda are each a day of connections away, the south of the state is left out as a precaution, and the return trip means retracing your route. Nor is it for someone who struggles with slopes at 2,000 metres, or who expects a cheap, empty San Miguel on a Saturday. If you accept a Guanajuato smaller than the one on the map, travelled slowly and by bus, the fit is one of the best in central Mexico.
