Pass without Trace

2nd-Level Abjuration
Casting Time: 1 action
Range: Self
Components: VSM (ashes from a burned leaf of mistletoe and a sprig of spruce)
Duration: (C) 1 hour

A veil of shadows and silence radiates from you, masking you and your companions from detection. For the duration, each creature you choose within 30 feet of you (including you) has a +10 bonus to Dexterity (Stealth) checks and can't be tracked except by magical means. A creature that receives this bonus leaves behind no tracks or other traces of its passage.
At Higher Levels. When you cast this spell using a spell slot of 3rd level or higher, the range that creatures can be affected by this spell increases by 10 feet for each spell level above 2nd.

Source: PHB 264, SRD