The best road cycling routes around Mercer Island
4.6
(163)
6,310
riders
16
rides
Last updated: November 13, 2025
4.5
(26)
482
riders
1. Mercer Island loop — Bellevue
51.5km
02:27
320m
320m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
4.9
(7)
248
riders
2. Mercer Island – Ventilation for the I-90 tunnel loop from Mercer Heights
21.4km
01:11
240m
240m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
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4.0
(1)
99
riders
3. East Channel Bridge – East Lake Sammamish Trail loop from Mercer Heights
57.6km
02:48
510m
510m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
5.0
(1)
87
riders
4. East Channel Bridge – Interlaken Park loop from Beaumont
34.2km
01:38
330m
330m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
2.5
(2)
32
riders
5. Ventilation for the I-90 tunnel – East Channel Bridge loop from Beaumont
33.5km
01:51
370m
370m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
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