Ezekiel 43:17

And the settle shall be fourteen cubits long and fourteen broad in the four squares thereof; and the border about it shall be half a cubit; and the bottom thereof shall be a cubit about; and his stairs shall look toward the east.

Cross-reference

Ezekiel 43:14 gives the lower altar measurements that the steps here connect to — part of the same structural description.

Ezekiel 43:20 describes the purification ritual using this same altar — linking its structure to its function.

Exodus 20:26 forbids steps to the tabernacle altar—here, stairs are explicitly included, marking a clear contrast in design.