Lost Platte Peak sits at the Southern terminus of the Platte River Mountains. It is by any means not a spectacular mountain. Most of the hike is within dense pine and aspen forest with very limited views and the summit rocks barely stick out of the surrounding canopy. However, if you are in the mood for a comparably modest day hike (you still gain 800 meter / 2600 ft) to get away from everything the Lost Platte Peak may be just down your alley. The aspen groves along the summit ridge would make this hike especially enjoyable in fall when the colors of the leaves are changing.
Hike is straightforward. Take the combined Brookside Trail (#607) / Payne Gulch Trail (#635) from the parking area (8020ft). Both trails split after 1.1 miles in an aspen grove. Turn left on Payne Gulch Trail (#635) and hike to the saddle at 9890 ft. Leave the trail to your left and gain the gentle ridge to the South. Hike about 1 mile trailless along the ridge to summit of Lost Platte Peak. Summit can be first seen from the rock outcroppings of Point 10303 (3141 m).Return the same way you came.
Part of the trail is within the Lost Creek Wilderness. Please abide to all wilderness regulations
Lost Platte Peak can be climbed year round. Best season would be fall to early winter.
The saddle (9890 ft / 3015 m) would be best suited for a camp site.
Hiking boots is all you need. Snowshoes in winter.