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Routes
Bike touring routes & trails
United States
California
Alameda County
Union City

Bayview Trail Observation Deck – Bayview Trail loop from Union City

Routes
Bike touring routes & trails
United States
California
Alameda County
Union City

Bayview Trail Observation Deck – Bayview Trail loop from Union City

Moderate

2.7

(13)

90

riders

Bayview Trail Observation Deck – Bayview Trail loop from Union City

02:47

47.6km

110m

Cycling

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: May 28, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Don Edwards San Francisco Bay National Wildlife Refuge

Waypoints

A

Start point

Train Station

Get Directions

1

7.10 km

San Francisco Bay Trail along Alameda Creek

Highlight (Segment) • Cycleway

Excellent paved trail along the South side of the creek, dedicated to just biking and free from car traffic, with spectacular views

Tip by

2

10.2 km

Bayview Trail Observation Deck

Highlight • Viewpoint

After a short climb from the Red Hill Trailhead, enjoy a beautiful view of the surrounding area and the bay. From here, you can backtrack to continue onto the Red …

Tip by

3

10.3 km

Bayview Trail

Highlight (Segment) • Trail

The Bayview Trail is an excellent route to explore year round. As you ride along the trail you can enjoy the hills to the easy and the famous San Francisco Bay to the west.

Tip by

4

14.0 km

Rolling Hills in Coyote Hills Regional Park

Highlight (Segment) • Trail

The stretch of trail through Coyote Hills Regional Park lives up to its name, with rolling hills that are fun, but not to the point of being technical, to ride.

Tip by

5

15.0 km

Quarry Trail Pedestrian Bridge Over CA-84

Highlight (Segment) • Bridge

Car-free bridge that takes you over CA-84. The bridge is part of the Quarry Trail and gives you a nice view of Red Hill in the distance.

Tip by

6

19.7 km

Dumbarton Bridge

Highlight • Bridge

The Dumbarton Bridge is the shortest and southernmost bridge across the San Francisco Bay. At 1.6 miles you can cross the water with nice views over the bay. Just keep …

Tip by

7

23.6 km

The Bay Trail runs along the protected Bay wetlands with sprawling views and abundant bird life.

Tip by

8

23.6 km

The well-paved SF Bay trail crosses Bayfront Expressway to swing North to South, while a paved trail continues East across the Dumbarton Bridge.

Tip by

B

47.6 km

End point

Train Station

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Way Types & Surfaces

Way Types

29.1 km

10.4 km

7.61 km

404 m

125 m

< 100 m

Surfaces

32.0 km

13.2 km

2.32 km

< 100 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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Weather

Powered by Foreca

Tuesday 9 June

22°C

14°C

-- %

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Description

If you're looking for a touring cycling route that combines gentle effort with expansive bay views, the Bayview Trail Observation Deck – Bayview Trail loop from Union City is a solid choice. This moderate 29.6-mile (47.6 km) ride, with just 364 feet (111 metres) of elevation gain, takes around 2 hours and 47 minutes to complete, making it perfect for a relaxed day out exploring the East Bay.

What to expect on Bayview Trail Observation Deck – Bayview Trail loop from Union City

Starting often on the paved, flat Alameda Creek Regional Trail, the route gradually transitions as you enter Coyote Hills Regional Park. Here, the terrain shifts to a mix of paved asphalt and wider gravel paths, with mostly gentle grades, though you'll encounter some minor inclines, particularly between 2.5 and 3.2 miles if you're going counterclockwise. The scenery is a constant highlight, offering impressive vistas of the San Francisco Bay and the East Bay Hills, especially near the Don Edwards San Francisco Bay National Wildlife Refuge. You'll also catch views of the Dumbarton Bridge and traverse marshlands rich with birdlife. This route is generally suitable for cyclists of all skill levels, including those on electric bikes, offering a rewarding experience without excessive exertion.

Planning your visit

Planning your ride is straightforward for this accessible loop. The trail is part of a larger network, offering extensive exploration options. While specific parking details aren't provided, the route is easily accessed from Union City. The trail is generally open year-round, but checking the weather forecast for Union City before you go is always a good idea to ensure comfortable cycling conditions.

Trail details

  • Distance: 29.6 miles (47.6 km)
  • Elevation gain: 364 feet (111 metres)
  • Difficulty: moderate
  • Estimated time: 2 hours and 47 minutes

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