Level: Bard 5, Druid 4, Ranger 4, Sorcerer 5, Wizard 5
Components: V, S
Casting Time: 1 standard action
Range: Personal
Target: One creature/level, no two of which are more than 30 ft. apart
Duration: 1 minute/level
Saving Throw: None
Spell Resistance: No
You and your allies become as surefooted as any mountain goat, and the power of your magic makes walking in treacherous terrain child’s play.
All affected creatures can move through difficult terrain at full speed for the duration of this spell, and they can even run, charge, and tumble through such terrain as though it were clear terrain. They also gain a +2 competence bonus on Climb checks.
Source: Spell Compendium, page 216.