Castle Trail

Consensus:    (details)
  3.7 from 20 votes
blue  Intermediate from 7 votes
Rank: #1 in the Mount Falcon Park area
#50 in CO, #149 Overall
Views: 2,836. Last 30 days: 107
Condition Details | Update
Trail in the area near Morrison,
“Not a super technical climb but nonetheless demanding due to the constant grade and obstacles.”
Mark Eller on May 14, 2013
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3.96.2 milesKilometers 1,740’530 m Ascent 7,770’2,368 m High 8% Avg Grade (5°)
Singletrack Type -0’-0 m Descent 6,031’1,838 m Low 26% Max Grade (14°)
Occasionally closed in muddy/wet conditions. Popular with hikers, and Jefferson County rangers have been known to ticket riders who exceed 15 MPH or ride aggressively.
From the Mt. Falcon parking lot, you'll get a minimal warmup before the long grind on the Castle Rock trail begins. The grade isn't too steep but there are enough water bars, tight switchbacks and rock fields to make this a demanding climb.

About halfway up, a hard lefthand turn (with just a touch of tree shade) offers a brief respite before the climbing kicks in again. Then it's more grinding in small gears to the top. It's challenging to stay on the bike the entire time not because the technical challenge is super high but simply because of the relentless climbing and moderate obstacles that just keep coming.

A fit rider keeping the hammer down will need about 30 minutes (give or take) to reach the stone shelter. At a conversational pace, or with some breaks, the ascent could take an hour or more.

This trail continues all the way down to the other parking lot on the west side of the system at Mt. Falcon road, but most use Castle Trail to connect to the other great singletrack in the area.

From the stone shelter, continue on the Meadow trail to reach Parmalee and other Mt. Falcon singletrack. Or turn around at the shelter for the downhill leg just keep an eye peeled for uphill traffic and give yourself enough time to brake/yield on the sometimes loose surface.
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5.0 (2)
Meyer Ranch is a great route for a summer or fall loop through the trees.
near Indian Hills, CO
5.0 (1)
near Golden, CO
4.9 (7)
A life-changing 485 mile ride on the Colorado Trail from Denver to Durango.
near Roxborough Park, CO

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PHOTOS of Castle Trail
  4.0 from 3 votes
Near the Top of Castle Trail after climbing up the technical singletrack. (Indian Hills, CO)
  3.0 from 2 votes
Cruising along the easy upper part of Castle Trail (Indian Hills, CO)
  3.0 from 2 votes
The Walker house, built in 1909, was destroyed by fire in 1918 from a li... (Indian Hills, CO)
  3.0 from 2 votes
View of the high peaks (Indian Hills, CO)
  2.5 from 2 votes
A glimpse of the more difficult sections. (Morrison, CO)
  2.0 from 3 votes
Keep cranking! You're about halfway done with the Mt. Falcon climb. (Morrison, CO)
  2.0 from 3 votes
castle trail towards the upper parking lot (Indian Hills, CO)
  2.0 from 3 votes
Take a big swig and get ready to sweat (Morrison, CO)
  2.0 from 3 votes
Looking to extend your loop with more singletrack? Take this turn onto t... (Indian Hills, CO)
  2.0 from 2 votes
Trail view climbing up. Most of the 3 mile climb resembles this terrain. (Morrison, CO)
  1.7 from 3 votes
Salsa Horsethief demo bike from Golden Bike Shop at the castle ruins. (Indian Hills, CO)
  1.3 from 3 votes
Are we having fun yet? Never fear, the climbing is almost all behind you. (Indian Hills, CO)