Mexico confirms some Mayan ruin sites unreachable due to gang violence

But two tourist guides in the southern state of Chiapas, near the border with Guatemala, say two other sites that the government claims are still open to visitors can only be reached by passing though drug gang checkpoints.

The explosion of drug cartel violence in Chiapas since last year has left the Yaxchilán ruin site completely cut off, the government conceded Friday.

The tour guides, who spoke on condition of anonymity because they must still work in the area, said that gunmen and checkpoints are often seen on the road to another site, Bonampak, famous for its murals.

They say that to get to yet another archaeological site, Lagartero, travelers are forced to hand over identification and cellphones at cartel checkpoints.

Meanwhile, officials concede that visitors also can’t go to the imposing, towering pyramids at Tonina, because a landowner has shut off across his land while seeking payment from the government for granting the right of way.

The cartel-related dangers are the most problematic. The two cartels warring over the area’s lucrative drug and migrant smuggling routes set up the checkpoints to detect any movement by their rivals.

Though no tourist has been harmed so far, and the government claims the sites are safe, many guides no longer take tour groups there.

“It’s as if you told me to go to the Gaza Strip, right?” said one of the guides.

“They demand your identification, to see if you’re a local resident,” he said, describing an almost permanent gang checkpoint on the road to Lagartero, a Mayan pyramid complex that is surrounded by pristine, turquoise jungle lagoons.

“They take your cellphone and demand your sign-in code, and then they look through your conversations to see if you belong to some other gang,” he said. “At any…