Editing Tula de Allende (section)

==Geography==
[[File:TulaRiver.JPG|thumb|View of the Tula River from the archeological site.]]
[[File:TulaSite40.JPG|thumb|Garden in the archeological site]]

The municipality is located in the south of the [[Mezquital Valley]] in the southwest of the state of Hidalgo.  With an extension of 305.8&nbsp;km2 it borders the municipalities of [[Tepetitlán]], [[Tlahuelilpan]], [[Tepeji del Río]], [[Atotonilco de Tula]], [[Atitalaquía]] and [[Tlaxcoapan]], with the [[State of Mexico]] to the west.<ref name=encmuc/><ref name=planmuni/>

The city of Tula has an altitude of 2,020&nbsp;meters above sea level Most of the municipality is semi flat with only one significant elevation completely in the municipality known as Magoni.  Elevations in the west form the border between it and the State of Mexico.  These include Magueni and La Malinche. In the north there is a small mountain of volcanic origin called Xicuco.<ref name=encmuc/>

Surface water is mostly found in the [[Tula River]], the Rosas River and the Arroyo Grande, whose waters are stored in the Endho Dam.  The Tula River begins with the discharge from the Valley of Mexico which pass north through the State of Mexico before reaching the area.  The Rosas River also begins in the State of Mexico but with clean waters from a fresh water spring. It has carved some small canyons in the area.<ref name=encmuc/><ref name=planmuni/>

Pollution problems generally come from the [[PEMEX]] refinery and the discharge of wastewater from the Valley of Mexico into the Tula River.<ref name=vjimenez>{{cite news |title= Provoca complejo alta contaminación |author=Veronica Jimenez |newspaper=Reforma |location=Mexico City |date=March 18, 2006 |page=18 |language=es |trans-title=Complex causes high leves of pollution }}</ref>

===Flora and fauna===
The natural vegetation is mostly semi desert, with cactus and [[maguey]] plants the most defining followed by [[mesquite]] and the pirul tree (''[[Schinus molle]]'') along with seasonal grass.  Native fauna includes rabbits, squirrels, [[chameleon]]s, [[roadrunner]]s, coyotes, various kinds of birds and snakes, skunks and [[opossum]]s.<ref name=encmuc/>

===Climate===
The municipality's climate varies from temperate to cold with an average annual temperature of {{convert|17.6|C|F}}.  It has an average annual rainfall of {{convert|699|mm|in|abbr=on}}, with most rain falling from May to September.<ref name=planmuni/>