Bozeman, MT: Three Rivers Century 

The Gallatin Valley Bicycle Club's scenic and challenging Three Rivers Century Loop rides along the three tributaries that form the Missouri River.

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Author: Jason Karp
Date: 9 Oct 2008 2:22:15 PM
Activity: Bicycling
State: Montana (MT)
Distance: 100.97 mi  (Change units)
Calories: 5980
Average Speed: Overall: 13.8 mph - 0:04:20/mi
Active: 13.8 mph - 0:04:20/mi
Duration: Total: 7:18:31
Active: 7:18:30
Unaccounted: 0:00:01
Survey Elevation: Total Gain: 2329 ft
Total Loss: 2359 ft
Net Change: -30 ft
Difficulty: 7 / 10
Tags: Belgrade, Bozeman, Gallatin Valley, Harrison, Manhattan, Missouri Headwaters, Montana, Norris, Three Forks
Rating: Unrated   Rate it

The Gallatin Valley Bicycle Club hosts their annual Three River's Century in late August.  The club offers three route options, including a 100 mile standard century (this mapped route), a 62 mile metric century, and a relatively flat 32 mile ride.  All three routes start and finish at Lewis and Clark Park in Belgrade (10 miles west of Bozeman).  The 100 mile ride goes through Norris, Harrison, and Three Forks before stopping for lunch at the Missouri Headwaters State Park.  The route then passes through Logan and Manhattan before looping back to Belgrade via Dry Creek Road.

This route offers stunning scenery over the high plains of southwest Montana.  Periodically the ride drops down along the Gallatin, Madison, and Jefferson Rivers as they meander to their confluence forming the Missouri River.  Whether riding with the club on the organized ride, or on your own, this 100 miles will leave you exhuasted and exhilarated at the same time!

TO TRAILHEAD: From the Belgrade I-90 interchange follow the signs toward the Airport. Turn by the Fire Station onto Davis Street. Lewis and Clark Park is behind the Fire Station.

Position Format: Datum:

Distance: 100.97 mi Points: 2566 Calories: 5980
Total Time: 7:18:31 Speed: 13.8 mph Pace: 4:20 / mi
Active Time: 7:18:30 Speed: 13.8 mph Pace: 4:20 / mi
# Distance Instruction Distance to next
1 0.00 mi Start - Take Central Avenue to Jackrabbit Lane Then go 0.68 mi
2 0.68 mi Turn Left - Jackrabbit Then go 1.60 mi
3 2.28 mi Turn Right - Frank Road Then go 1.01 mi
4 3.29 mi Turn Left - Thorpe Road Then go 1.00 mi
5 4.29 mi Turn Right - West Cameron Bridge Road Then go 1.44 mi
6 5.73 mi Sharp Left - River Road Then go 5.27 mi
7 11.00 mi Turn Right - Norris Road (MT 84) Then go 2.55 mi
8 13.55 mi Straight - Churchill Road (Metric century riders turn right) Then go 25.04 mi
9 38.59 mi Turn Right - US Highway 287 Then go 18.60 mi
10 57.19 mi Straight - MT Highway 2/US 287 to Three Forks Then go 9.85 mi
11 67.04 mi Sharp Right - MT 2-to Three Forks Then go 2.87 mi
12 69.91 mi Turn Left - Main Street Then go 1.32 mi
13 71.24 mi Straight - Becomes Frontage Road/MT 205 Then go 1.81 mi
14 73.04 mi Turn Left - Trident Road/MT 286 Then go 1.63 mi
15 74.68 mi U-Turn - Headwaters State Park Then go 1.59 mi
16 76.26 mi Turn Left - Frontage Road Then go 8.86 mi
17 85.12 mi Turn Left - Manhattan. Hwy 346/North Broadway follow truck route Then go 0.08 mi
18 85.20 mi Bear Right - Railroad Avenue-follow truck route Then go 0.07 mi
19 85.27 mi Bear Left - 5th Street North-follow truck route Then go 0.36 mi
20 85.63 mi Bear Right - Becomes West Dry Creek Road Then go 6.93 mi
21 92.56 mi Straight - Becomes Dry Creek Road Then go 7.77 mi
22 100.34 mi Straight - Becomes North Broadway Then go 0.45 mi
23 100.79 mi Turn Left - East Central Avenue Then go 0.14 mi
24 100.93 mi Turn Right - Davis Street Then go 0.04 mi
25 100.97 mi Stop - Lewis and Clark Park

Points of Interest

Lewis and Clark Park-Belgrade

Location: 45.775411, -111.174085
All three route options for the <a href="">Gallatin Valley Bicycle Club's</a> Three Rivers Century (100 Mile, 100 Kilometer, and 32 mile) start and finish in Belgrade's Lewis and Clark Park. The Town Pump C-Store adjacent to the park is a good place to stock up on supplies-or lose that last cup of coffee before the ride.

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