United States Cave

Jacob's Well (Texas)

20 °C inside, all year.

The descent

The entrance, at 286 m.

The real relief above Jacob's Well (Texas), measured on the Copernicus model every 30 m, and the cave going down at the same vertical scale.

The depth is the one published by those who explored it; the shape of the galleries is a sketch, not a survey. No depth has been published for this cave yet.

286m

Entrance altitude

from the 30 m relief model

20°C

Inside, all year

the yearly average outside, at the entrance

54m

Rock above

the highest point within 1.5 km

Inside and outside

20 °C inside, all year.

Deep inside, a cave keeps the average temperature of the year outside: about 20 °C here, in January and in August. In August the afternoon reaches 36 °C at the entrance, 16 °C warmer than inside: take a jacket. The best months to escape the heat are from April to October.

outside, at the entrance (286 m)inside

16°3°Jan
18°5°Feb
23°10°Mar
27°14°Apr
30°18°May
34°22°Jun
35°23°Jul
36°24°Aug
32°20°Sep
27°14°Oct
21°9°Nov
17°4°Dec

Inside: 20 °C all yearEscape the heat: Apr–OctWettest: May, Oct

Outside: afternoon and night averages for 1991–2020 (NASA POWER) brought to the altitude of the entrance. Inside: the yearly average, which deep parts of a cave keep. Near the entrance it follows the weather a little.

Artesian spring

Jacob's Well (Texas) is a cave in United States. The entrance is at 286 m.

Getting there.

Wild cave: only with caving equipmentNo paths or lights inside. Go only with a caving club or a qualified guide.
Woodcreeknearest town · 1.6 km in a straight line
Viewpointsnearest viewpoint · 0.1 km from the entrance
Austin Bergstrom International Airport (AUS)nearest airport with scheduled flights · 48 km in a straight lineCar hire at AUS airport (Austin)Discover Cars · sponsored link

Plan the visit

Guided tours, a bed nearby, a car.

Car hire at AUS airport (Austin)Discover CarsSee prices

Some links above are affiliate links: if you book through them we may earn a commission, at no extra cost to you. It never changes what the data on this page says.

From above.

The ground above the cave, with the relief shaded, the line of the section and what people have mapped around the entrance.

The ground above Jacob's Well (Texas) (Sentinel-2)

N 1.5 km

Sentinel-2 cloudless 2016 (EOX, CC BY 4.0), 6.0 × 6.0 km, north up. The line is the section above. Points © OpenStreetMap contributors.

Around the entrance.

1springs within 2 kmJacob's Well
2viewpoints within 3 km
10car parks within 2 km
1information boards and visitor centres within 3 km
3campsites within 8 kmWimberley RV Park & Mini Storage, Green Acres RV Park, Horseshoe Ridge RV Resort
5hotels and guesthouses within 8 kmCottage on the Square, The Lodge at Cypress Falls, Messina Inn and 2 more

other cave entrances within 3 km
sinkholes within 3 km
caving clubs and spots within 15 km
marked hiking routes within 3 km
climbing crags within 3 km
named waterfalls within 4 km
bus stops within 2 km
restaurants and cafés within 3 km

Counted in OpenStreetMap, the map anyone can edit, around the entrance. A low number may just mean nobody has mapped it yet. © OpenStreetMap contributors (ODbL).

Towns nearby

Woodcreek1.6 km in a straight line
Wimberley4.9 km in a straight line
Dripping Springs18 km in a straight line
Canyon Lake22 km in a straight line
Kyle24 km in a straight line
San Marcos24 km in a straight line

In our other atlases

What else is around Jacob's Well (Texas).

The river at the entrance, the waterfalls, the lakes, the mountains and volcanoes above, the canyons, beaches and islands nearby — from our other atlases.

Peakyas8 mountains within 10 km

Little Twin Sister Peaks · 2.4 kmOld Baldy · 2.9 kmJoe Wimberley Mountain · 4.1 kmLone Woman Mountain · 4.9 kmEagle Mountain · 6.0 kmLone Man Mountain · 6.0 kmJack Mountain · 8.2 kmMoon Mountain · 9.4 km

Figures from the sister sites' databases (Wikidata, HydroATLAS, GeoNames, NOAA, OpenStreetMap). Links open when each site is online.

Month by month

The weather outside, at the entrance.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Afternoon	16	18	23	27	30	34	35	36	32	27	21	17
Afternoon	16	18	23	27	30	34	35	36	32	27	21	17
Night	3	5	10	14	18	22	23	24	20	14	9	4
Rain (mm)	54	38	71	69	111	75	66	70	90	90	53	46
Rainy days	6	6	8	8	11	11	8	9	10	8	6	6
Sun hours/day	6.0	5.9	6.6	7.6	7.7	9.7	9.8	9.5	7.7	7.3	6.1	5.6
Snow on the ground (cm)	1	1	0	0	0	0	0	0	0	0	0	1

	Afternoon	Afternoon	Night	Rain (mm)	Sun hours/day
Jan	16	16	3	54	6.0
Feb	18	18	5	38	5.9
Mar	23	23	10	71	6.6
Apr	27	27	14	69	7.6
May	30	30	18	111	7.7
Jun	34	34	22	75	9.7
Jul	35	35	23	66	9.8
Aug	36	36	24	70	9.5
Sep	32	32	20	90	7.7
Oct	27	27	14	90	7.3
Nov	21	21	9	53	6.1
Dec	17	17	4	46	5.6

Averages 1991–2020 (NASA POWER) for a cell about 55 km wide, brought to the altitude of the entrance (286 m) with the standard lapse rate. Not a forecast.

Photographs

Inside and around.

Jacob's Well Natural Area — Larry D. Moore · CC BY 4.0

Jacob's Well Vertical — TerraFrost · CC BY 4.0

Jacob's Well - panoramio — Outdoor Craziness · CC BY-SA 3.0

Recent years

Wet years, dry years.

Rain of each month as a share of the 1991–2020 average. A dry year means a lower river and hotter rock; a wet one, more water in the gorge.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2020	98%	112%	106%	137%	151%	78%	46%	43%	133%	8%	61%	142%
2021	62%	86%	31%	138%	183%	114%	144%	102%	82%	152%	111%	60%
2022	94%	84%	50%	53%	41%	40%	13%	119%	26%	54%	177%	108%
2023	73%	88%	48%	225%	109%	48%	11%	9%	36%	128%	60%	76%
2024	283%	106%	65%	102%	95%	116%	173%	53%	45%	0%	75%	105%
2025	82%	97%	52%	56%	123%	113%	167%	46%	17%	47%	41%	21%

130% or more: wet month 70% or less: dry month

Caves nearby.

Jacob's Well (Texas)

United States

—Depth
—Galleries
286 mEntrance altitude
20 °CInside, all year

Natural Bridge Caverns

United States · 43 km

—Depth
—Galleries
310 mEntrance altitude
20 °CInside, all year

See the guide

Bracken Cave

United States · 44 km

—Depth
—Galleries
316 mEntrance altitude
20 °CInside, all year

See the guide

Cave Without a Name

United States · 50 km

—Depth
—Galleries
377 mEntrance altitude
20 °CInside, all year

See the guide

Where these figures come from

Name, type, published depth and length, visitors	Wikidata (Q16892775) · CC0
The relief above, the entrance altitude, the section and the 3D model	Copernicus DEM GLO-30 · © DLR e.V., © Airbus Defence and Space GmbH, Copernicus/ESA
Climate	NASA POWER, 1991–2020
Entrances, springs, sinkholes, opening hours and what is around	© OpenStreetMap contributors · ODbL
Images	EOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons
Rivers, waterfalls, lakes, mountains, canyons, beaches and islands nearby	Coastya, Lakeyas, Peakyas, Cascadyas, Islandyas, Riveryas

Every figure is an average, an estimate or a count from a public dataset. Licences and methods: data sources.

The family

Do you prefer beaches, lakes, mountains, waterfalls, islands, rivers, canyons, caves, dark skies, viewpoints, birdwatching or forests?

Same idea, other landscapes: field atlases built on open data, month by month, in seven languages.

beaches

Find your beach: sea temperature, sun and swimming month by month.Visit

lakes

Every lake on Earth: water temperature, ice, depth and the shore.Visit

mountains

Every summit in 3D: summit weather, the 0 °C line, huts and trails.Visit

waterfalls

Every waterfall: height, flow month by month and when it roars.Visit

islands

Every island from the sea up: size, sea temperature, ferries and 3D.Visit

rivers

Every river from source to sea: the journey, the flow and the basin in numbers.Visit

canyons

Every canyon cut to scale: depth to the floor, rim and floor temperatures, trails and viewpoints.Visit

caves

Every cave with its real depth and length: the rock above, the temperature inside all year, and how to visit.You are here

dark skies Darkskyas

Where the night is still dark: the sky of every place, the Milky Way month by month, the Moon, eclipses and auroras.Coming soonVisit

viewpoints Viewyas

Every viewpoint with its real 360° panorama: the peaks you can name, how far you see and where the sun sets.Coming soonVisit

birdwatching Birdyas

Every bird sanctuary and wetland with the species recorded month by month: who is resident, who comes for the summer, who only passes through.Coming soonVisit

forests

Every forest with its land-cover rings, what grows and lives in it, and the best months to walk it.Coming soonVisit

	Afternoon	Afternoon	Night	Rain (mm)	Sun hours/day
Jan	16	16	3	54	6.0
Feb	18	18	5	38	5.9
Mar	23	23	10	71	6.6
Apr	27	27	14	69	7.6
May	30	30	18	111	7.7
Jun	34	34	22	75	9.7
Jul	35	35	23	66	9.8
Aug	36	36	24	70	9.5
Sep	32	32	20	90	7.7
Oct	27	27	14	90	7.3
Nov	21	21	9	53	6.1
Dec	17	17	4	46	5.6

	Afternoon	Afternoon	Night	Rain (mm)	Sun hours/day
Jan	16	16	3	54	6.0
Feb	18	18	5	38	5.9
Mar	23	23	10	71	6.6
Apr	27	27	14	69	7.6
May	30	30	18	111	7.7
Jun	34	34	22	75	9.7
Jul	35	35	23	66	9.8
Aug	36	36	24	70	9.5
Sep	32	32	20	90	7.7
Oct	27	27	14	90	7.3
Nov	21	21	9	53	6.1
Dec	17	17	4	46	5.6

	Afternoon	Afternoon	Night	Rain (mm)	Sun hours/day
Jan	16	16	3	54	6.0
Feb	18	18	5	38	5.9
Mar	23	23	10	71	6.6
Apr	27	27	14	69	7.6
May	30	30	18	111	7.7
Jun	34	34	22	75	9.7
Jul	35	35	23	66	9.8
Aug	36	36	24	70	9.5
Sep	32	32	20	90	7.7
Oct	27	27	14	90	7.3
Nov	21	21	9	53	6.1
Dec	17	17	4	46	5.6