or Chu'Taxtyoox in the Sakapultek language)[1] is an archaeological site of the ancient Maya civilization near Sacapulas, in the Quiché department of modern Guatemala.

On the fourth side it connects to a 1.5-kilometre (0.93 mi) long ridge via a narrow neck of land just 5 metres (16 ft) wide.

[12] There are also important differences to the typical K'iche' settlement pattern as represented at the capital; the ballcourt is not oriented east-west, the architecture is mounted upon an acropolis with a steep defensive wall, and the main temple was radial.

Investigator John Fox suggested that the differences may represent the Early Phase settlement pattern, before the site came under the influence of the central K'iche' region, and the similarities being the result of the later close relation with Q'umarkaj.

[14] These ethnohistoric documents closely match the strong central K'iche' influence evidenced in the archaeology of the site.

On the northeast side the slope down to the river is naturally steep, but the top 3 to 4 metres (9.8 to 13.1 ft) was cut away to present a vertical drop.

[10] A defensive ditch was cut across the neck of land connecting the site to the adjacent ridge to defend the approach.

[20] The main plaza of the site features a radial pyramid with a single stairway on each side;[21] it stands 6.8 metres (22 ft) tall.

[23] The long structures flanking the plaza each possessed a single room upon a basal platform, with benches set against the back and side walls.

[24] The walls of the playing area are almost vertical, and the top of the eastern range of the ballcourt is on the same level as the adjoining floor of the main plaza.

[24] The long structure contained a raised plaster ring standing 5 centimetres (2.0 in) high,[17] and measuring 1 metre (3.3 ft) across.