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Mill Creek Pipeline

Mountain bike trail conditions · Salt Lake City, UT 40.700° N  111.780° W   6,214 FT

PRIME: Rideable now

No significant rain in the forecast.

Recent rain
0.3″ of rain, 7d ago
Today
92°Fpartly cloudy
Last 10 daysoldest to newest

Updated Aug 21, 2026, 00:00 UTC. Modeled hourly. Official closures and current trail conditions take priority.

Trail outlook

7 days back · 4 ahead
0.3″
FORECAST
PRIME 7d 2026-08-13: 0.30 inches of rain, representative trail outlook PRIME
PRIME 6d 2026-08-14: 0.00 inches of rain, representative trail outlook PRIME
PRIME 5d 2026-08-15: 0.00 inches of rain, representative trail outlook PRIME
PRIME 4d 2026-08-16: 0.00 inches of rain, representative trail outlook PRIME
PRIME 3d 2026-08-17: 0.00 inches of rain, representative trail outlook PRIME
PRIME 2d 2026-08-18: 0.00 inches of rain, representative trail outlook PRIME
PRIME 1d 2026-08-19: 0.00 inches of rain, representative trail outlook PRIME
92° PRIME Today 2026-08-20: 0.00 inches of rain, Partly cloudy, representative trail outlook PRIME
93° PRIME FRI 2026-08-21: 0.00 inches of forecast rain, Cloudy, representative trail outlook PRIME
88° PRIME SAT 2026-08-22: 0.00 inches of forecast rain, Overcast, representative trail outlook PRIME
89° PRIME SUN 2026-08-23: 0.00 inches of forecast rain, Overcast, representative trail outlook PRIME
89° PRIME MON 2026-08-24: 0.00 inches of forecast rain, Cloudy, representative trail outlook PRIME
Measured rain Forecast rain Above soft threshold (0.5″)
Over the tracked history, Mill Creek Pipeline has been rideable on 10 of the last 10 days (very dry and dusty on 2 of them). Daily trail markers are representative daytime outlooks. Weather is one input. The rideability verdict also accounts for soil, terrain, canopy, and drying time.
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Why Mill Creek Pipeline dries this way

Terrain & soil

Mill Creek Pipeline (Salt Lake City, UT) rides on clay soil that holds water over terrain that sheds water and dries quickly. Loam reads that exact ground against live weather, rather than leaning on a regional forecast that can’t tell you what the dirt is doing. The terrain here is steep (a 16.6° average grade at 6,214 ft) and sheds water fast once the rain stops, while the W-facing aspect gets its strongest sun in the afternoon, so morning laps can stay tacky after overnight moisture. Bonneville Shoreline Trail - Grandeur Peak Section, Rattlesnake Gulch Trail and Bonneville Shoreline Trail - Parley's Pointe Section are among the named trails our map data covers here.

Network profile

Soil
Clayholds water
Drainage
Sheds waterdries quickly
Tree cover
34%Partial
Elevation
6,214 ft
Average grade
16.6°
Predominant aspect
W-facing
How these factors affect drying

SoilClay

Dense clay holds moisture and stays slick the longest. It needs the most drying time before it’s worth riding.

CanopyPartial 34%

A mix of sun and shade. Conditions vary across the network, with open sections drying faster than covered ones.

TerrainSheds water

Water runs off this terrain rather than pooling, which helps the surface dry out after rain.

Around Mill Creek Pipeline

Named trails

  • Bonneville Shoreline Trail - Grandeur Peak Section
  • Rattlesnake Gulch Trail
  • Bonneville Shoreline Trail - Parley's Pointe Section
  • Bonneville Shoreline Trail - Rattlesnake Trail Section
  • BST Rattlesnake

Some of the named trails our map data covers here, not a complete list; one verdict covers the whole network. Trail names from public agency data and © OpenStreetMap contributors.

FAQ

Common questions
Can you ride Mill Creek Pipeline right now?

As of the latest update, Mill Creek Pipeline is Rideable now (PRIME). No significant rain in the forecast. 0.3″ of rain, 7d ago.

What is the soil and trail surface like at Mill Creek Pipeline?

Mill Creek Pipeline sits on clay soil that holds water. Dense clay holds moisture and stays slick the longest. It needs the most drying time before it’s worth riding.

How long does Mill Creek Pipeline take to dry after rain?

Mill Creek Pipeline can need several days to dry after meaningful rain. Its terrain sheds water, which speeds drying.

Does Mill Creek Pipeline get snow in winter?

Yes. At 6,214 ft, Mill Creek Pipeline typically sees winter snow and freeze-thaw that can pause riding. Loam flags a FROZEN state when the ground is snow-covered or frozen, then clears it as things thaw and dry.

What trails are at Mill Creek Pipeline?

Named trails at Mill Creek Pipeline include Bonneville Shoreline Trail - Grandeur Peak Section, Rattlesnake Gulch Trail, Bonneville Shoreline Trail - Parley's Pointe Section, Bonneville Shoreline Trail - Rattlesnake Trail Section and BST Rattlesnake. That is a sample of what our map data covers rather than a full inventory, and local trail counts change as networks are built out. Loam models conditions for Mill Creek Pipeline as a whole, so the verdict on this page covers the network rather than scoring each trail separately.

What's the terrain and elevation like at Mill Creek Pipeline?

Mill Creek Pipeline sits at roughly 6,214 feet, faces mostly W, and averages a 16.6° grade with about 34% tree cover. That makes it an afternoon-sun network where mornings run tackier, and the steep grade means it sheds water quickly. Loam models this exact ground against live weather rather than using one regional forecast.

When is the best time of year to ride Mill Creek Pipeline?

The reliable season at Mill Creek Pipeline runs late spring through fall: at around 6,214 feet it holds real winter snowpack, and freeze-thaw makes the shoulder seasons hit or miss. Loam flags FROZEN days and posts a live verdict, so the calendar never has to be the tiebreaker.