🌤 Trail Weather — Plan Your Hike
Updated every 6 hrs · Trailhead coords
✅
Good Conditions — Solid Day to Hike
78°F, Clear Sky. Wind 9 mph. Standard 10 Essentials apply.
💨 Wind
9 mph WSW
Gusts to 17 mph
👁 Visibility
6.2 mi
Good visibility
☁️ Cloud Cover
0%
Clear — full sun exposure
🌅 Sunrise
6:11 am
Ideal start time
🌇 Sunset
7:40 pm
Off trail by this
Today — 3-Hour Intervals
2 pm
☀️
78°
Feels 78°
💨 11/8
5 pm
☀️
79°
Feels 79°
💨 8/7
8 pm
🌙
74°
Feels 75°
💨 3/5
11 pm
🌙
70°
Feels 70°
💨 2/3
5-Day Forecast
💧 Humidity
54% Comfortable
👁 Visibility
6.2 mi — Good visibility
☁️ Clouds
0% Clear — full sun exposure
✅
Good Conditions — Go Hike
💧 Humidity
76% High humidity — pace yourself
👁 Visibility
6.2 mi — Good visibility
☁️ Clouds
0% Clear — full sun exposure
✅
Good Conditions — Go Hike
💧 Humidity
50% Comfortable
👁 Visibility
6.2 mi — Good visibility
☁️ Clouds
0% Clear — full sun exposure
✅
Good Conditions — Go Hike
💧 Humidity
38% Comfortable
👁 Visibility
6.2 mi — Good visibility
☁️ Clouds
0% Clear — full sun exposure
✅
Good Conditions — Go Hike
☁️
Tue, Aug 18
Scattered Clouds
💧 Humidity
41% Comfortable
👁 Visibility
6.2 mi — Good visibility
☁️ Clouds
48% Partly cloudy
✅
Good Conditions — Go Hike
Trailhead elevation only. Conditions change at altitude. Check weather.gov before heading out.
Aug 14, 1:00 pm
A wild river adventure deep in the Sheep Mountain Wilderness requiring multiple waist-deep East Fork crossings before discovering a massive isolated concrete arch bridge built in 1936 — completed but never connected to any road.
Trail Overview
The river crossings are the whole point and the whole hazard. In spring and early summer the East Fork runs high and the crossings can be genuinely dangerous — check recent trip reports before going. In fall and winter the crossings are knee-to-waist deep and manageable for most people. The bridge itself is extraordinary — a full-scale concrete arch standing in the middle of wilderness with no roads approaching it.
This Hike Is For You If…
Hikers comfortable with water crossings and getting wet. Adventure seekers who want something genuinely different from typical LA hiking.
Skip This Hike If…
Skip in spring and early summer unless you have checked recent conditions. Skip in any weather that has produced significant recent rainfall upstream.
What to Expect on Trail
Terrain: Rocky riverbed trail. Multiple water crossings required. No technical moves on dry land but crossing footing requires care.
Shade: Mostly Shaded
Water: Reliable Year-Round. East Fork River. Do not drink without filtering.
Views: Good
Crowds: Very popular despite the difficulty. Spring bungee jumping events at the bridge add unique crowds.
Dogs: Yes, dogs are welcome on this trail.
Best Arrival: Before 8am on weekends. Check East Fork River crossing conditions before visiting.
This is a Tier 1 sourced review. Trail information is based on published sources and research. Andrew has not personally hiked this trail yet. Photos and firsthand sensory detail will be added when upgraded to Tier 2.
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10.0 miRound Trip
1000 ftElev. Gain
ModerateDifficulty
4-6 hoursEst. Time
2600 ftHighest Point
Out-and-BackRoute Type
YesDogs
NonePermit
Trailhead & Logistics
Address: East Fork Trailhead, East Fork Road, Azusa, CA 91702
Parking: Large dirt lot at East Fork trailhead. Adventure Pass required. Fills on weekends. River crossings required — check conditions after rain.
Bathroom: Pit Toilet
Cell Service: Partial
Best Arrival: Before 8am on weekends. Check East Fork River crossing conditions before visiting.
Trail Reality Check
The river crossings are the whole point and the whole hazard. In spring and early summer the East Fork runs high and the crossings can be genuinely dangerous — check recent trip reports before going. In fall and winter the crossings are knee-to-waist deep and manageable for most people. The bridge itself is extraordinary — a full-scale concrete arch standing in the middle of wilderness with no roads approaching it.
Terrain: Rocky riverbed trail. Multiple water crossings required. No technical moves on dry land but crossing footing requires care.
Shade: Mostly Shaded
Water: Reliable Year-Round — East Fork River. Do not drink without filtering.
Views: Good
Crowds: Busy — Very popular despite the difficulty. Spring bungee jumping events at the bridge add unique crowds.
Who should do this: Hikers comfortable with water crossings and getting wet. Adventure seekers who want something genuinely different from typical LA hiking.
Who should skip this: Skip in spring and early summer unless you have checked recent conditions. Skip in any weather that has produced significant recent rainfall upstream.
