What Size Gravel for Driveway?

A well-built gravel driveway uses three layers of progressively smaller stone: Base Layer (4 inches) Use #3 stone (1-2 inches) or #4 stone (1.5-3 inches). These large angular stones create a stable foundation and won't sink into soft soil. A geotextile fabric under this layer prevents the stone from migrating into the subgrade. Middle Layer (4 inches) #57 stone (3/4 to 1 inch) is the standard choice. It fills the gaps in the base layer, adds stability, and provides a transition to the finer top layer. Top Layer (2-3 inches) #8 gravel (3/8 to 1/2 inch) or crushed limestone creates a smooth driving surface. Some homeowners prefer #411 (a blend of #57 stone and stone dust) because the dust fills voids and compacts into a very firm surface. What to Avoid Avoid using pea gravel or river rock for driveways — their rounded shape means they never lock together and will constantly shift under tires, creating ruts.

#57 Gravel vs Lava Rock

Side-by-side comparison of #57 Gravel and Lava Rock to help you choose the right gravel for your project.

Overview

#57 Gravel

Crushed stone approximately 3/4 to 1 inch in size. One of the most versatile and commonly used gravel sizes in both residential and commercial construction. #57 stone is the go-to aggregate for drainage, driveways, and concrete production.

Lava Rock

Lava rock is a lightweight, porous volcanic stone commonly used in landscaping. Its rough texture helps retain moisture while allowing airflow to plant roots.

Common Uses

#57 Gravel

✓ Driveways
✓ Drainage
✓ Concrete mix
✓ Pipe bedding
✓ Backfill
✓ Parking areas

Lava Rock

✓ Landscaping
✓ Garden beds
✓ Decorative ground cover

Pros & Cons

#57 Gravel

+ Extremely versatile — works for many applications
+ Excellent drainage characteristics
+ Good compaction when combined with fines
+ Widely available nationwide
+ Cost-effective

− Too coarse for comfortable walking
− Angular edges
− Shifts under foot traffic without stabilization
− Requires a finer top layer for driveways
− Not decorative

Lava Rock

+ Very lightweight
+ Excellent moisture retention
+ Decorative appearance

− Breaks down over time
− Sharp edges
− Can scatter easily

Cost Comparison

Measure	#57 Gravel	Lava Rock
Per ton	$20 – $35	$90 – $150
Per cubic yard	$25 – $45	$110 – $180

Sizes & Colors

#57 Gravel

#57 gravel consists of angular crushed stone pieces ranging from 3/4" to 1" in diameter. Color depends on the quarry source — typically gray, blue-gray, or brown. The stones are angular and irregular, which helps them interlock.

Lava Rock

Typically 3/4"–1.5" sizes. Red or black.

Published February 11, 2026

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