Pumpkin Spring

Mohave County, Arizona · Near Peach Springs
35.9162°N, 113.3342°W · 1,640 ft
61°F air · Good soaking weather 1,640 ft Unknown Backcountry DESG

Pumpkin Spring is a mineral spring down in the Grand Canyon on the Hualapai Indian Reservation in Mohave County. It gets the name from bright orange mineral and organic deposits that have built up on the flowstone until the whole thing looks like an enormous pumpkin. No temperature is on file, so do not take this for a soaking spring. Peach Springs is the closest town, about 27 miles away by the record. Public access is marked unknown.

Location

This is true backcountry. Seven miles from the nearest road, which goes nameless in the record, at a low elevation inside the canyon. The ground is tribal land. A 1995 water sample found the spring near neutral, with iron among the minerals, which fits the color. The climate figures show roughly a foot of snow a year and eleven inches of rain.

Reaching this spring means seven miles on foot, and the record says nothing about the route. Access is not established; this is Hualapai land and permission would be needed from the tribe before any attempt. No best months are listed. The water has never been measured for temperature here, and the orange deposits are minerals, so treat the spring as something to look at.

History of Pumpkin Spring

The color gave it the name. Orange deposits, mineral and organic both, coat the flowstone, and the spring has built a mineralized carbonate mound where it reaches the surface. USGS records put it among the thermal sites of the Grand Canyon.

Terrain

USGS hasn't flown a detailed laser scan here yet, so this view comes from aerial photos and older elevation data.

Aerial view of the ground around Pumpkin Spring

The orange dot marks the spring, in a frame about three quarters of a mile wide.

Setting
Canyon floor
Steep ground climbs away on both sides of the spring.
Highest ground nearby
779 ft above the spring
Within a quarter mile, to the east
Cross-section through the spring

A slice through the ground from west to east, about 0.6 miles end to end.

Elevation data: USGS 3D Elevation Program. Aerial imagery: USGS The National Map. Public domain.

Heat Below
98 milliwatts per square meter of heat flow

That's about 1½ times the US average of 65. It's higher than at 44% of the springs on this site.

Heat flow measures the warmth working its way up through the ground from deep inside the earth. Where it runs high, rain and snowmelt that seep down through cracks in the rock come back up hot.

Heat flow estimate: Stanford Thermal Earth Model (Aljubran & Horne, 2024), CC BY 4.0.

Monthly Climate
51°
Jan
55°
Feb
63°
Mar
70°
Apr
78°
May
91°
Jun
93°
Jul
92°
Aug
85°
Sep
73°
Oct
61°
Nov
51°
Dec
Annual Precip: 11.1 in Annual Snow: 12.1 in
Current Conditions
61°F
SSW 32.4 mph 73% Good soaking weather
Tuesday 91° Low 72° Sunny then Slight Chance Showers And Thunderstorms 21% precip
Wednesday 89° Low 70° Slight Chance Showers And Thunderstorms 10% precip
Thursday 92° Low 70° Sunny 6% precip
Friday 93° Low 69° Sunny 3% precip
Saturday 95° Low 68° Sunny 4% precip
Water Chemistry Sampled 1995-01-08

The water at Pumpkin Spring is neutral (pH 6.9). It is notably rich in calcium (may support bone density and joint health), magnesium (known for muscle relaxation and stress relief), and sulfate (traditionally used for skin conditions and inflammation).

pH 6.9 Neutral
pH influences mineral absorption through skin
Calcium 250 mg/L
May support bone density and joint health
Magnesium 71 mg/L
Known for muscle relaxation and stress relief
Sodium 29 mg/L
Supports circulation and skin hydration
Sulfate 320 mg/L
Traditionally used for skin conditions and inflammation
Chloride 4,000 mg/L
Natural antiseptic with skin health benefits
Iron 9 µg/L
Iron-rich springs may support circulation
Where to Stay

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Temperature
No data recorded
Avg Air Temp 72°F
Access
Unknown
Road Access Backcountry
Distance to Road 7.0 mi
Land
Ownership DESG
Agency DESG
Designation TRIBL
Unit Hualapai Indian Reservation
Manager TRIB
Protection 4 - No known protection
Frequently Asked Questions
Where is Pumpkin Spring located?
Pumpkin Spring is located in Mohave County, Arizona at 1,640 feet elevation, near Peach Springs. Coordinates: 35.9162°N, 113.3342°W.
How do I get to Pumpkin Spring?
Pumpkin Spring has Backcountry road access (7.0 mi from the road).
Is Pumpkin Spring free to visit?
Pumpkin Spring has Unknown access. It is managed by DESG.
What minerals are in the water at Pumpkin Spring?
Water chemistry analysis shows the presence of pH, Calcium, Magnesium, Sodium, Sulfate, Chloride, Iron. The pH is 6.9 (neutral).
Sources: USGS NWIS, Wikipedia