One of Puebla’s best-known heritage attractions is moving closer to reopening after years behind closed doors. The tunnel inside the Great Pyramid of Cholula has been undergoing rehabilitation, and officials now say visitors may be able to enter again soon. The return will not look exactly the same as before, and that matters to anyone planning a visit.

A long-closed passage is nearing its return

The tunnel inside the Great Pyramid of Cholula is moving toward reopening after remaining closed since 2020. Authorities have not published a firm date yet, but the current timeline points to a return in the days before the spring equinox or in early April 2026. That gives travelers a clearer planning window, even if the final announcement is still pending. The tunnel is one of the most unusual parts of the Cholula archaeological zone, because it lets visitors walk through the interior of the vast pyramid rather than only viewing it from outside.

The reopening follows rehabilitation and safety work inside the passage. Officials have said the site will operate with controlled entry, set schedules, and small groups. That approach is meant to reduce wear on the structure while improving the visitor experience. The tunnel had stayed closed long after pandemic-era restrictions began, partly because reopening it required preservation work and updated visitor controls. For readers planning a cultural day trip in Puebla, the key point is simple: the tunnel is not open yet, but the reopening now appears close enough to shape spring travel plans.

What visitors can expect when it reopens

The Great Pyramid of Cholula, also known as Tlachihualtépetl, is widely described as the largest pyramid in the world by volume. The tunnel itself is not a pre-Hispanic passage built for ritual use. It was created during archaeological excavations in the twentieth century, allowing researchers to study the monument’s construction layers from within. Today, that makes it an unusual heritage experience. Instead of only standing before the site, visitors can move through an interior corridor that reveals adobe walls, construction phases, and other physical traces of the pyramid’s long history.

Reports on the reopening say the accessible route is more than 800 meters long and will include new lighting, security measures, and QR-based information. Officials have also indicated that access will be managed more tightly than before. That likely means timed entry and smaller visitor groups rather than open flow. For visitors, especially those coming from outside Puebla, that could make planning more important than in the past. It may also mean the tunnel feels more orderly once it returns. Pricing for the tunnel itself has not been clearly detailed, so travelers should watch for an official update before assuming it is included under the standard admission to the archaeological zone.

Why this matters beyond a simple reopening

This is more than a tourism update. The return of the tunnel matters because Cholula sits at the intersection of archaeology, living urban culture, and regional tourism. The site draws domestic and international visitors year-round, and the tunnel has long been one of its strongest draws. Its reopening could help nearby businesses, guides, artisans, and restaurants, especially during the heavy visitor period around the spring equinox. For many readers living in Mexico, it also restores a well-known cultural visit that has been missing for years.

The reopening matters for preservation, too. Officials have made clear that the goal is not only to let people back in, but to do so without damaging the interior. That is why the tunnel is expected to reopen with tighter controls. In practical terms, the message for visitors is to treat the current timeline as a reopening window, not a final confirmed calendar date. If you are planning a weekend in Puebla or Cholula, the safest approach is to monitor the site closely through official channels before booking around the tunnel specifically. The attraction is clearly on track to return, but the exact day still depends on the final announcement.