Crater of Diamonds State Park
Park State park where visitors can search for diamonds
A volcanic maar and public mine, Crater of Diamonds State Park lets visitors search the surface for diamonds and other gems and keep what they find; people visit for hands-on digging and basic geology.
Crater of Diamonds State Park in Murfreesboro, Arkansas, is a state park centered on a diamond-bearing site that allows the public to search for and keep any gems they find. It is one of the few places in the world where recreational diamond hunting is permitted on open public land.
A plowed, public search field provides hands-on opportunities to hunt for diamonds and other minerals using hand tools and screens; the active search area is routinely worked by park staff to expose fresh material. Park facilities include an identification area and displays of notable finds.
Diamonds have been recovered at the site since the early 20th century and the area operated commercially as a mine before being managed for public recreation. Over time the property transitioned to state management to preserve access for recreational prospecting and interpretation.
The park is located in Murfreesboro in southwest Arkansas and is accessible from regional highways serving Pike County.
- Search rules: The park maintains a public search area of 37.5 acres where visitors may dig, sift, and keep any gems or minerals they find.
- Notable finds: Notable finds from the site include the 40.23-carat "Uncle Sam" diamond; staff and exhibits at the park highlight significant discoveries.
What to See #
- Search Field (public search area): A 37.5-acre plowed search area that the public may enter to hunt for diamonds and other minerals; the field is actively maintained by park staff.
- Diamond Discovery Center: On-site exhibits, visitor center services, and staff who assist with preliminary identification and display information about notable finds.
How to Get to Crater of Diamonds State Park #
The park is located near Murfreesboro, Arkansas, about a 90-120 minute drive southwest of Little Rock. From Murfreesboro, follow State Park Road signage; the park is well-signed and accessible by car. There is limited seasonal public transit; driving is the usual option.
Tips for Visiting Crater of Diamonds State Park #
- Arrive early-digging pits fill quickly on weekends and the best surface finds often show up after rain.
- Rent tools from the park rather than bringing heavy equipment; the park enforces hand tools only.
- Keep everything found-the park encourages turn-ins for verification and labeling of significant finds.
Best Time to Visit Crater of Diamonds State Park #
Best during spring and autumn for weather and crowds; summer can be hot and winter cold.
Weather & Climate near Crater of Diamonds State Park #
Crater of Diamonds State Park's climate is classified as Humid Subtropical - Humid Subtropical climate with hot summers (peaking in July) and cold winters (coldest in January). Temperatures range from -2°C to 33°C. Abundant rainfall (1383 mm/year), wettest in May.
January
January is the coolest month with highs of 10°C and lows of -2°C. Regular rainfall (81 mm).
Comfort
Weather
February
February is cold with highs of 14°C and lows of 1°C. Significant rainfall (101 mm).
Comfort
Weather
March
March is cool with highs of 19°C and lows of 5°C. Significant rainfall (137 mm).
Comfort
Weather
April
April is cool with highs of 23°C and lows of 9°C. Significant rainfall (129 mm).
Comfort
Weather
May
May is mild with highs of 27°C and lows of 14°C. The wettest month with heavy rain (146 mm).
Comfort
Weather
June
June is warm with highs of 31°C and lows of 18°C. Significant rainfall (120 mm).
Comfort
Weather
July
July is the warmest month with highs of 33°C and lows of 21°C. Significant rainfall (109 mm).
Comfort
Weather
August
August is warm with highs of 33°C and lows of 20°C. Regular rainfall (86 mm).
Comfort
Weather
September
September is mild with highs of 30°C and lows of 16°C. Significant rainfall (105 mm).
Comfort
Weather
October
October is cool with highs of 24°C and lows of 10°C. Significant rainfall (106 mm).
Comfort
Weather
November
November is cool with highs of 17°C and lows of 4°C. Significant rainfall (136 mm).
Comfort
Weather
December
December is cold with highs of 12°C and lows of 0°C. Significant rainfall (127 mm).