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If using the first set of coordinates provided and a starting elevation of appx. 11,185 ft., you should be across from the large, WNW facing basin that climbs up to the low point saddle south of Emma Burr and north of UN13,345 (Tincup Mountain.) Best place on Google Earth to get down to the stream and cross with the least amount of willow-thrashing is here: N38° 43' 56.06' W 106° 25' 36.79". It's mainly on the east side of the creek where you'll have your short skirmish with the willows. (If it has rained recently, you may want to put on rain suits as you work through the willows, otherwise, expect to be generously showered.) Just beyond the willows, enter forest and begin working your way into the large basin above tree line.
If driving further up the valley to the second set of coordinates, hike down to the creek in a SW direction, so as to avoid any willows, cross over and head up an open chute, aiming for the edge of the trees on the north side of the chute to help avoid willows. Then angle back along the edge of the trees to the NNE to gain the same basin mentioned above.
Once in the large WNW facing basin, head up on moderately steep terrain with mostly tundra to walk on and hike all the way to the saddle at 12,900 ft. Though it does not show on the USGS quad, there may a stream flowing down this drainage. If hiking in from the more northerly coordinates, as you head up through the forest you may encounter an old cabin and another one at tree line. About half way up the basin, you may also find an old trail that switchbacks its way upward. This old trail would appear and disappear at times, so we largely ignored it. Once at the saddle, follow the ridge to the Emma Burr summit north, with increasing rock & talus amid the tundra.
For the return, hike back down by the same route, or continue along the south ridge to UN13,345 (Tincup Mountain.)