Walk up the trail until you reach the first intersection. Follow the trail on the right with the trailhead marker. You will continue to climb through the forest and soon reach some nice viewpoints. At the 4 km mark, hoodoos will appear on the side of Sheep Mountain. Continue to the 5 km mark for a view of the surrounding mountains and down the Slims River (A'ay Chu) to the Kaskawulsh Glacier.
If you are not going to climb the ridge, this is a good turn-around point. If you decide to climb the ridge to the first summit with a view of Kluane Lake, then follow the rough footpath up the ridge for 2.5 km.
You can continue to follow the ridge from the first summit and even do a loop down the Sheep Mountain
trail if you have enery and time [If you are doing a loop, it is recommended to do it in reverse and descend down the Sheep Creek trail. Note two vehicles would be required]. Otherwise, you can turn around and follow your same route down to the trailhead.
Up the ridge, you can usually spot sheep, so bring your binoculars. Grizzlies roam the area, so make sure you make noise so that you don't surprise them.