🌤 Weather at Historic Union Pacific Rail Trail State Park by season
| Spring | Summer | Fall | Winter |
|---|---|---|---|
| 25–61 °F | 46–80 °F | 23–69 °F | 16–35 °F |
Each range runs from the coldest monthly average low to the warmest monthly average high in that season (1991-2020 climate normals), measured at Park City, 2 mi away, elevation 6,900 ft. Conditions at the park can differ from the station, especially where elevation differs — check a forecast before you go.
Historic Union Pacific Rail Trail State Park is a public state park in Utah in Summit County. Spanning 3,934 acres and established in 1946, this park offers a peaceful retreat into nature for visitors of all ages.
Quick Facts
| State | Utah |
| County | Summit |
| Park Size | 3,934 acres |
| Established | 1946 |
Location & Getting There
Historic Union Pacific Rail Trail State Park is located Utah. The park’s coordinates are 38.7519, -93.6001.
Things to Do
Utah state parks showcase the dramatic red rock landscapes, ancient geology, and high desert beauty that define the American Southwest. Activities include hiking through slot canyons and across sandstone formations, mountain biking world-class desert singletrack, boating and water skiing on deep blue reservoirs surrounded by red cliffs, fishing for trophy trout in mountain streams, rock climbing sandstone towers, off-roading on designated trails, camping under spectacular starry skies, and exploring dinosaur track sites and ancient petroglyphs.
Best Time to Visit
Spring (March–May) and fall (September–November) are the prime seasons for Utah parks, offering warm days, cool nights, and comfortable hiking conditions. Summer (June–August) brings extreme heat to desert parks (100°F+), though mountain parks and reservoirs remain pleasant. Winter is cold but beautiful, with snow-dusted red rock creating stunning photography. Many reservoir parks are popular for boating May through September. Flash flood risk peaks during summer monsoon season (July–August) — never enter slot canyons when rain threatens.
Visitor Tips
Utah state parks charge day-use fees of $10-$20 per vehicle. An annual pass ($75) covers all 44 state parks. Camping reservations through stateparks.utah.gov. Water is scarce at many desert parks — carry at least one gallon per person per day. Popular parks like Dead Horse Point and Goblin Valley require reservations for day use on weekends. Cell service is nonexistent in remote southern Utah parks.
Explore More Utah State Parks
Historic Union Pacific Rail Trail State Park is one of many outstanding state parks in Utah. Discover more parks in our Best State Parks in Utah guide, or use our Park Finder to search by activity, location, or features.
Wildlife & Nature
Historic UP Rail Trail SP — a 28-mile paved trail following the 1880s Union Pacific railroad grade through the Wasatch Mountains. The trail’s mountain meadows, aspen groves, and streams support moose, elk, and bald eagles.
Nearby Attractions
Park City — trailhead — home of the Sundance Film Festival. Wanship — eastern trailhead. Olympic venues (2002 Winter Games) — along the trail.
Keep exploring: The closest neighbors are Jordanelle State Park (a short drive away) and Rockport State Park (a short drive away).
🐾 Dogs & Pets at Historic Union Pacific Rail Trail State Park
- Pets allowed? statewide rule
- Pets are permitted at most Utah state parks and campgrounds, on a leash and never left unattended.
- Leash rule statewide rule
- 6 ft maximum leash required at all times
- Beaches & swim areas statewide rule
- No statewide beach ban; rules vary by park - dogs are prohibited on the beach at Antelope Island, while Jordanelle has a designated area where dogs may swim off-leash
- Cabins & lodging statewide rule
- Pets are allowed in cabins and yurts at most parks (confirm with the park before reserving); additional lodging pet fees may apply
- Pet fees statewide rule
- No pet fee at standard campsites; additional fees apply for pets in cabins, yurts and cottages
- Statewide exceptions statewide rule
- Park-specific restrictions such as Antelope Island's Frary Peak Trail and Deer Creek water areas
Are dogs allowed at Historic Union Pacific Rail Trail State Park?
Pets are permitted at most Utah state parks and campgrounds, on a leash and never left unattended. Individual parks can post stricter rules — check signage on arrival.
Rules verified July 2026 via stateparks.utah.gov. More: Utah state parks guide · Dog rules in all 50 states compared
Park Location
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