i.e. Into the tabernacle, where God was pleased to speak with Moses upon occasions, Exodus 25:22 Numbers 7:89. For it was a hard case; and though their plea seemed reasonable, yet Moses showed his humility and modesty, that he would not determine it himself without God's particular direction.
Related Commentaries of Numbers 27:5
Numbers 27:5
5 And Moses brought their cause before the LORD.