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This 69-mile pair of loops takes in the golden hills of the east Bay Area, the blue waters of Carquinez Strait, and solid climbs up Cummings Skyway and “Three Bears.”
This 69-miler begins in the shadow of Mount Diablo at the North Concord Bart Station. The postcard moments begin at the Martinez Regional Shoreline Park (and continue throughout the ride) with the Amtrak trains running on the cliffs below the park and Carquinez Scenic Drive.
Overlooking the conspicuous blue waters of Carquinez Strait, the jaunt along the scenic drive mixes switchbacks and hills with panoramic views of Sonoma, Napa, and Solano counties. On the climb up to Cummings Skyway (one of the tougher ones of the ride), you’ll enjoy views of the Carquinez Bridge. On top, catch tailwinds and pick up speed as you coast down Frankin Canyon Road. If one loop is all you want, head back to the Bart station now.
Otherwise, head south, passing the John Muir National Historic Site. The second loop heads west and meets its first short, steep climb at Pig Hill Farm. It’s easy to hit 50+ on the descent to Briones Regional Park where the Three Bear climbs await. Finish off the loop taking in the rolling green vistas as the route cruises by Lafayette Reservoir and the Diablo Foothills.
-Mapped by Pete Ferguson
TO TRAILHEAD: This ride departs from the North Concord BART station.
Position Format:
Datum:
Tracks
East Bay Loops
Distance: 69.78 mi
Points: 1423
Calories: none
Total Time: none
Speed: 0.0 mph
Pace: 0:00 / mi
Active Time: none
Speed: 0.0 mph
Pace: 0:00 / mi
#
Distance
Instruction
Distance to next
1
1.07 mi
Bear Right - Port Chicago Hwy
Then go 0.49 mi
2
1.56 mi
Turn Right - Almond Ave.
Then go 0.12 mi
3
1.68 mi
Turn right at East St
Then go 0.22 mi
4
1.90 mi
Continue on Grant St
Then go 0.52 mi
5
2.41 mi
Continue on Solano Way
Then go 0.70 mi
6
3.11 mi
Turn Left - Into Park
Then go 0.02 mi
7
3.14 mi
Turn Right - Iron Horse Trail
Then go 0.39 mi
8
3.52 mi
Turn Left - Marsh Dr.
Then go 1.32 mi
9
4.84 mi
Slight right at Center Ave
Then go 3.41 mi
10
8.26 mi
Turn left at Muir Station Rd
Then go 0.44 mi
11
8.70 mi
Turn left at Alhambra Way
Then go 0.35 mi
12
9.04 mi
Turn right at Alhambra Ave
Then go 2.34 mi
13
11.38 mi
Turn left on Marina Vista Ave.
Then go 0.14 mi
14
11.52 mi
Turn right at Talbart St
Then go 0.09 mi
15
11.61 mi
Slight left at Carquinez Scenic Dr
Then go 6.97 mi
16
18.58 mi
Turn right at Pomona St
Then go 0.08 mi
17
18.66 mi
Turn left at Pomona Ave.
Then go 0.65 mi
18
19.31 mi
Turn left at Crockett Blvd
Then go 1.94 mi
19
21.26 mi
Bear Left - Cummings Skyway
Then go 2.21 mi
20
23.47 mi
Turn left at Franklin Canyon Rd
Then go 4.35 mi
21
27.82 mi
Turn right at Alhambra Ave
Then go 0.44 mi
22
28.26 mi
Turn right at Alhambra Valley Rd
Then go 1.25 mi
23
29.51 mi
Turn right to stay on Alhambra Valley Rd
Then go 4.85 mi
24
34.35 mi
Turn left at Bear Creek Rd
Then go 8.38 mi
25
42.73 mi
Turn left at Camino Pablo
Then go 2.37 mi
26
45.09 mi
Slight right at Moraga Way
Then go 1.31 mi
27
46.40 mi
Turn left at Casa Vieja/Glorietta Blvd Continue to follow Glorietta Blv
Then go 1.59 mi
28
47.99 mi
Turn left at Acalanes Rd
Then go 0.73 mi
29
48.72 mi
Turn right at Mt Diablo Blvd
Then go 2.04 mi
30
50.77 mi
Slight right at Golden Gate Way
Then go 0.12 mi
31
50.89 mi
Turn right at 1st St
Then go 0.08 mi
32
50.97 mi
Turn left at Moraga Blvd
Then go 0.78 mi
33
51.75 mi
Turn right at Hawthorne Dr
Then go 0.05 mi
34
51.80 mi
Turn left on bike path
Then go 0.37 mi
35
52.17 mi
Straight - Continue on Olympic Blvd.
Then go 1.09 mi
36
53.26 mi
Slight left to stay on Olympic Blvd
Then go 0.04 mi
37
53.30 mi
Turn right on Tice Valley Blvd.
Then go 0.65 mi
38
53.95 mi
Slight left to stay on Tice Valley Blvd
Then go 1.23 mi
39
55.18 mi
Turn left at Crest Ave
Then go 0.47 mi
40
55.65 mi
Turn right at Danville Blvd
Then go 0.16 mi
41
55.80 mi
Turn left at Rudgear Rd
Then go 1.17 mi
42
56.98 mi
Turn left at Palmer Rd
Then go 0.56 mi
43
57.54 mi
Turn right at Mountain View Blvd/Mt View Blvd
Then go 0.46 mi
44
58.00 mi
Turn left at Walnut Blvd
Then go 2.90 mi
45
60.90 mi
Slight left at Seven Hills Ranch Rd
Then go 0.05 mi
46
60.95 mi
Turn right at Cherry Ln
Then go 0.36 mi
47
61.31 mi
Turn Left - Costa Canal Trail
Then go 0.12 mi
48
61.44 mi
Turn Right - Iron Horse Trail
Then go 5.29 mi
49
66.72 mi
Bear Right -
Then go 0.09 mi
50
66.82 mi
Turn Left - Solano Way
Then go 0.44 mi
51
67.25 mi
Slight right
Then go 0.07 mi
52
67.33 mi
Turn right at Arnold Industrial Way
Then go 1.82 mi
53
69.15 mi
Turn right at Port Chicago Hwy
Then go 0.48 mi
54
69.63 mi
Bear Left -
Then go 0.15 mi
55
69.78 mi
Stop -
Points of Interest
North Concord Bart- Start/Finish here
Location: 38.002774, -122.024868
Head down the bike path for a warm-up.
Location: 37.968831, -122.176509
An exposed, half-mile climb.
Three Bears Climbs
Location: 37.947074, -122.185521
The first two climbs, mama and papa bear, are long, gradual hills with fun descents. The last climb is baby bear, which is just right.
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