Path Light Spacing: How to Plan a Walkway Layout
Path light spacing depends on the selected fixture's distribution, mounting height, walkway width, and the visibility you need. A fixed rule such as “one light every eight feet” cannot account for all of those conditions.
Begin with important locations
Mark the beginning and end of the path, turns, steps, and changes in level. These positions may need attention regardless of the spacing on a straight section. Keep fixtures outside the walking surface and away from routine mowing or snow-removal paths.
Use the actual light pattern
Review the manufacturer's distribution information at the intended mounting height. A decorative pattern, a broad downlight, and a narrow directional path fixture should not share one spacing assumption. Nearby planting can block light that would reach the ground in an open test.
A sample planning exercise
For a 30-foot straight path, mark tentative positions near each end and between them. Test a representative fixture and judge how far useful illumination extends along and across the walking surface. Move the intermediate positions until the route is clear without excessive bright spots.
If your sample supports an eight-foot center-to-center interval at that location, positions around 0, 7.5, 15, 22.5, and 30 feet give a five-fixture mockup. This is a layout example based on an assumed tested interval, not a recommendation for all 30-foot paths. Corners, offsets, steps, and different optics can change the quantity.
One side or staggered?
Either arrangement can work. Compare how the beam reaches the far edge and whether landscaping obstructs one side. Staggering can create a pleasing rhythm, while a constrained bed may favor one side. Choose from the lighting result and available mounting space.
Inspect after dark in both directions
Walk toward and away from each fixture. Look for exposed lamps, deep gaps, and glare at the approach to steps. Consider the people who use the route and any applicable illumination requirements. A visible fixture does not necessarily mean the ground beside it is adequately lit.
Finalize the electrical plan
Once the quantity and positions work, calculate cable lengths and loads. Record the fixture height, lamp or output setting, and spacing. Revisit the layout as plants mature instead of solving every shadow by increasing brightness.
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