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Tour of Antelope Island (Buffalo Run 25k/50k route)

  4.0 ( 2 ) Favorite


16.5 mile 26.5 kilometer loop
94% Runnable


Ascent: 1,893' 577 m
Descent: -1,893' -577 m
High: 4,887' 1,490 m
Low: 4,244' 1,294 m


Avg Grade: 4% (2°)
Max Grade: 19% (11°)


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Trail shared by Ryan Delany

A hidden gem with great trails, views of the Great Salt Lake, and Buffalo!

Ryan Delany

Features Views · Wildlife


This is the route used by the yearly Buffalo Run races. A single lap is equivalent to the 25k, and 2 laps would equate to the 50k. The entire run gives you views of the Great Salt Lake as far as you can see.

Need to Know

It does cost $10 per vehicle to cross the causeway and access the island. There is a parking lot at the entrance if you want to meet others and consolidate into a single vehicle. That parking lot is free to use. The island officially opens at 6am, but the gatehouse isn't staffed until 9am. If there is no attendee, you can put money into an envelope and leave in the drop box, or pay on your way out.

Runner Notes

This route uses about 1/3 singletrack and 2/3 fireroad. 100% of the trail is dirt, has a fair amount of vertical gain, and covers a good portion of the runnable terrain on the island.


Park at the White Rock trailhead (Map available when you pay at the causeway). Make a sharp left at the trailhead (at the fence) and head uphill on White Rock Loop. Stay on this trail and follow it as it goes on the saddle on the east side of the island. The trail turns back west. When you get to the fork with the bench, keep going straight on White Rocks Loop Road and up the hill, then head out on the Split Rock Loop Trail, going down Death Valley first.

The full loop will bring you back to the same spot. For here, head back towards the east until you get to a sweeping left fork in the trail on the saddle. Go left here and follow the trail along the hillside and around to the front side. Go down the hillside back to your car at the White Rock trailhead. The elevation gain for each trip around is about 2000.

Flora & Fauna

A herd of buffalo roams the island freely and can be seen on almost every visit. Island is fairly devoid of any interesting vegetation however with the exception of a few trees.

History & Background

John C. Fremont and Kit Carson made the first known Anglo exploration of Antelope Island in 1845. The Island was named after the explorers observed several pronghorn antelope grazing on the rangelands.

Fielding Garr established the first permanent residence on the island in 1848. The ranch house he built is the oldest Anglo-built structure in Utah still on its original foundation.

The island and ranch passed from owner to owner until 1981 when the State of Utah purchased the 28,000-ace island for a State Park.

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1,654 Since Mar 12, 2015



Climbing the White Rock Loop trail on Antelope Island
Mar 12, 2015 near Syracuse, UT
Outcropping on top of Split Rock Bay looking west
Mar 12, 2015 near Syracuse, UT
Split Rock
Mar 12, 2015 near Syracuse, UT
Running the switchbacks of Split Rock Loop Trail
Apr 8, 2015 near Syracuse, UT
Looking west from the Split Rock Loop Trail
Apr 8, 2015 near Syracuse, UT


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