Hierve el Agua

Waterfall Fossilized waterfall formations and natural mineral springs

High above Oaxaca’s valleys, Hierve el Agua features mineral‑laden rock formations that resemble cascades and cliff‑edge mineral pools; visitors hike, soak in shallow pools and photograph the unusual travertine terraces.

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Hierve el Agua is a set of natural rock formations and mineral springs in Oaxaca state, Mexico, that resemble petrified waterfalls formed by mineral deposits. The site is a prominent geological and tourist attraction in the region.

The location features two main calcified cascades and a series of terrace-like mineral pools where visitors commonly wade. Ridgelines and viewpoints above the formations offer broad views across the Tlacolula Valley and surrounding semi-arid landscape.

The formations were created when mineral-rich spring water flowed over cliff edges and deposited calcium carbonate and other minerals over long periods, building the cascade-like structures and terraces.

Hierve el Agua lies in the state of Oaxaca in southern Mexico, in the Tlacolula Valley area east of Oaxaca City and near the archaeological and town area around Mitla. It is accessed by road from nearby towns in the valley.

  • Geological formation: Formed by mineral-rich spring water depositing calcium carbonate and other minerals over millennia, producing the appearance of frozen waterfalls and terraced pools.
  • Visitor tips: Located in a semi-arid high valley where hiking to viewing ridges and pools is the usual visitor activity; bring water, sun protection and sturdy footwear for uneven trails.

What to See #

  • Petrified cascades: Two primary calcified escarpments form the best-known formations, each resembling a cascading waterfall created by mineral deposits from springs over long periods.
  • Terrace pools: A set of terraced mineral pools, partly natural and partly developed for visitors, allow wading and provide foreground views of the formations.
Hierve el Agua
Near San Isidro Roaguía, 40 km east of Oaxaca City (local access roads)
16.8655, -96.2760

How to Get to Hierve el Agua #

Hierve el Agua is about 70-80 km east of Oaxaca City and roughly a 1.5-2 hour drive. Many visitors join an organized tour from Oaxaca (tours include transport), or hire a car/driver to take the rough road to the miradores and pools.

Tips for Visiting Hierve el Agua #

  • Arrive early to avoid tour buses; the main viewpoint and the smaller pools can get crowded late morning.
  • Bring sturdy shoes; the paths to the miradores are often rocky and can be slippery where springs have flowed across the path.
  • Don't miss the lesser-visited 'petrified cliff' viewpoint-many people only walk to the larger pool overlook.

Best Time to Visit Hierve el Agua #

Best in the dry season (Nov-Apr) for firm access and clear conditions; early morning light is excellent for photography.

Dry season
Nov-Apr · 15-30°C
Clear skies and easier walking; the travertine formations are dry and show their sculpted faces.
Wet season
Jun-Sep · 18-28°C
The calcium-saturated springs run stronger and the pools refill, but trails can be slippery and access roads muddier.
Spring
Mar-May · 20-32°C
Hotter, with brilliant sun-visit early in the day.

Weather & Climate near Hierve el Agua #

Climate

Hierve el Agua's climate is classified as Subtropical Highland (Dry Winter) - Subtropical Highland (Dry Winter) climate with consistently warm temperatures year-round. Temperatures range from 10°C to 30°C. Moderate rainfall (771 mm/year) with a pronounced dry season.

Air Quality: AQI 47 Good
Best Time to Visit
JanuaryFebruaryMarch
Temperature & Rainfall
Temperature Range
37°
Warmest Month
Coldest Month
Monthly Conditions

January

January is mild with highs of 26°C and lows of 10°C. The driest month with just 3 mm and mostly sunny skies.

95 Ideal

Comfort

18°
Feels Like Mild
18°C
Temperature
11° 26°
75%
Humidity
Very Humid

Weather

3 mm
Rainfall
2.7 m/s
Wind
Calm
1.8
UV Index
Very High
11.1h daylight

February

February is mild with highs of 28°C and lows of 11°C. Almost no rain and mostly sunny skies.

95 Ideal

Comfort

19°
Feels Like Mild
19°C
Temperature
11° 28°
68%
Humidity
Humid

Weather

8 mm
Rainfall
2.9 m/s
Wind
Calm
2.2
UV Index
Extreme
11.5h daylight

March

March is mild with highs of 29°C and lows of 13°C. Light rainfall and mostly sunny skies.

95 Ideal

Comfort

21°
Feels Like Mild
21°C
Temperature
13° 29°
62%
Humidity
Humid

Weather

11 mm
Rainfall
2.9 m/s
Wind
Calm
2.5
UV Index
Extreme
11.9h daylight

April

April is mild with highs of 30°C and lows of 14°C. Moderate rainfall (31 mm) and mostly sunny skies.

91 Ideal

Comfort

22°
Feels Like Mild
22°C
Temperature
14° 30°
59%
Humidity
Humid

Weather

31 mm
Rainfall
2.6 m/s
Wind
Calm
2.5
UV Index
Extreme
12.4h daylight

May

May is the warmest month with highs of 30°C and lows of 16°C. Regular rainfall (84 mm) and partly cloudy skies.

81 Excellent

Comfort

23°
Feels Like Mild
23°C
Temperature
16° 30°
67%
Humidity
Humid

Weather

84 mm
Rainfall
2.4 m/s
Wind
Calm
2.3
UV Index
Extreme
12.8h daylight

June

June is mild with highs of 27°C and lows of 16°C. The wettest month with heavy rain (161 mm) and mostly overcast skies.

67 Good

Comfort

21°
Feels Like Mild
21°C
Temperature
16° 27°
81%
Humidity
Very Humid

Weather

161 mm
Rainfall
2.2 m/s
Wind
Calm
2.2
UV Index
Extreme
13.0h daylight

July

July is mild with highs of 26°C and lows of 15°C. Significant rainfall (120 mm) and mostly overcast skies.

71 Very Good

Comfort

21°
Feels Like Mild
21°C
Temperature
15° 26°
86%
Humidity
Very Humid

Weather

120 mm
Rainfall
2.2 m/s
Wind
Calm
2.3
UV Index
Extreme
12.9h daylight

August

August is mild with highs of 26°C and lows of 15°C. Significant rainfall (138 mm) and mostly overcast skies.

69 Good

Comfort

21°
Feels Like Mild
21°C
Temperature
15° 27°
87%
Humidity
Very Humid

Weather

138 mm
Rainfall
2.1 m/s
Wind
Calm
2.2
UV Index
Extreme
12.6h daylight

September

September is mild with highs of 26°C and lows of 15°C. Significant rainfall (143 mm) and mostly overcast skies.

69 Good

Comfort

21°
Feels Like Mild
21°C
Temperature
15° 26°
89%
Humidity
Very Humid

Weather

143 mm
Rainfall
2.0 m/s
Wind
Calm
2.0
UV Index
Extreme
12.1h daylight

October

October is mild with highs of 26°C and lows of 14°C. Moderate rainfall (53 mm) and partly cloudy skies.

83 Excellent

Comfort

20°
Feels Like Mild
20°C
Temperature
14° 26°
88%
Humidity
Very Humid

Weather

53 mm
Rainfall
2.2 m/s
Wind
Calm
1.9
UV Index
Very High
11.7h daylight

November

November is mild with highs of 26°C and lows of 12°C. Light rainfall and mostly sunny skies.

93 Ideal

Comfort

19°
Feels Like Mild
19°C
Temperature
12° 26°
85%
Humidity
Very Humid

Weather

14 mm
Rainfall
2.5 m/s
Wind
Calm
1.8
UV Index
Very High
11.2h daylight

December

December is mild with highs of 26°C and lows of 11°C. Almost no rain and mostly sunny skies.

95 Ideal

Comfort

19°
Feels Like Mild
19°C
Temperature
11° 26°
79%
Humidity
Very Humid

Weather

5 mm
Rainfall
2.4 m/s
Wind
Calm
1.7
UV Index
Very High
11.0h daylight

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