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Piedras Negras (Maya site)

Archaeological Site

Riverside Maya ruins in Guatemala's Petén, featuring plazas, pyramids and carved monuments; archaeologists and history-minded visitors explore stelae, tombs and the site's role on the Usumacinta frontier.

Piedras Negras (Maya site) Antigua GuatemalaLake AtitlánTikalGuatemala CitySemuc ChampeyPiedras Negras (Maya site)
In this guide

Piedras Negras (Maya site) essentials

Address: Piedras Negras archaeological zone, Petén Department, Guatemala

About Piedras Negras (Maya site)

Piedras Negras is a major Classic Maya archaeological site in Guatemala’s Petén Department located on the banks of the Usumacinta River. The site is known for its acropolis, carved stelae and inscriptions that document its dynastic history.

Visitors and researchers encounter monumental plazas, pyramidal structures and a ballcourt, together with finely carved stelae bearing calendrical and genealogical inscriptions. The city’s monuments and layout indicate its role as a political and ceremonial center during the Classic period.

Piedras Negras flourished principally during the Classic Maya era, approximately the 5th through 9th centuries AD, and maintained regional influence within the Usumacinta river system. Archaeological investigations in the 20th century, including work by Tatiana Proskouriakoff, helped decode its inscriptions and sequence of rulers.

The site is situated on the Guatemalan side of the Usumacinta River in Petén, within a lowland tropical forest environment and is accessed via roads from regional towns and river approaches.

  • Period of prominence: Major period of occupation and monument carving was during the Classic Maya era, roughly the 5th to 9th centuries AD, when the city was politically prominent along the Usumacinta corridor.
  • Archaeological research: Significant archaeological work took place in the 20th century, including studies and reconstructions by Tatiana Proskouriakoff and teams active in the 1930s and later.

What to See#

  • Acropolis and plazas: A central acropolis area containing pyramidal structures, plazas and stairways where elite residences and ritual buildings were concentrated during the Classic Maya period.
  • Stelae and monuments: Numerous stelae and sculpted monuments that record dynastic history and dates, many bearing inscriptions used by epigraphers to reconstruct the site’s rulers and chronology.
  • Public architecture: A ballcourt and other public architectural spaces used for ceremonial, political and communal activities during the city’s height in the Classic era.

Tips for Visiting Piedras Negras (Maya site)

  • Plan to visit at first light to avoid the heat and insect activity and to see carved stelae and plazas in clearer conditions for photography and study.
  • Hire a knowledgeable local guide in advance-interpretation from someone familiar with the glyphs and stelae transforms a walk-around visit into a meaningful archaeological experience.
  • Bear in mind the site sits on the Usumacinta river plain; allow extra time for access logistics from Petén (Flores) or river approaches and confirm transport arrangements the day before.
When to Go

Best Time to Visit Piedras Negras (Maya site)

The best time to visit Piedras Negras is during the dry season (November-April) when trails and access are easier and mosquitoes are less active.

Dry season (best time)
November-April · 24-32°C
Drier, slightly cooler conditions with fewer mosquitoes and better access to ruins and forest roads in the Petén region.
Wet season
May-October · 24-32°C
Hot, humid and very rainy - heavy downpours can make some archaeological trails muddy or impassable.

Weather & Climate near Piedras Negras (Maya site)

Climate

Piedras Negras (Maya site)'s climate is classified as Tropical Monsoon - Tropical Monsoon climate with hot summers (peaking in May) and warm winters (coldest in January). Temperatures range from 18°C to 35°C. Heavy rainfall (2462 mm/year), wettest in September.

Air Quality: AQI 54 Moderate
Best Time to Visit
MarchFebruaryJanuary
Temperature & Rainfall
Temperature Range
42°
Warmest Month
9°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Excellent 18° - 27° 23° 94 mm partly cloudy 88% 2.0 m/s 1.3 high 11.1h
February Excellent 18° - 29° 23° 72 mm some cloud 82% 2.2 m/s 1.7 very high 11.5h
March Excellent 19° - 31° 25° 62 mm mostly sunny 70% 2.4 m/s 2.1 extreme 11.9h
April Very Good 21° - 33° 28° 67 mm mostly sunny 61% 2.5 m/s 2.2 extreme 12.4h
May Very Good 22° - 35° 31° 145 mm some cloud 69% 2.2 m/s 2.2 extreme 12.8h
June Good 22° - 33° 32° 352 mm partly cloudy 87% 1.9 m/s 2.3 extreme 13.0h
July Good 21° - 32° 27° 314 mm partly cloudy 88% 2.1 m/s 2.4 extreme 12.9h
August Good 22° - 33° 31° 333 mm partly cloudy 89% 1.7 m/s 2.4 extreme 12.6h
September Good 22° - 32° 27° 423 mm partly cloudy 92% 1.7 m/s 2.2 extreme 12.1h
October Good 21° - 31° 26° 313 mm partly cloudy 91% 1.8 m/s 1.8 very high 11.6h
November Very Good 20° - 29° 25° 172 mm partly cloudy 90% 1.8 m/s 1.5 high 11.2h
December Very Good 19° - 28° 23° 115 mm partly cloudy 90% 1.9 m/s 1.3 high 11.0h