Details on mountain biking at Seattle's I-5 Colonnade Park
I-5 Colonnade Park
1600 Lakeview Blvd. E., Seattle
Underneath Interstate 5, south of East Howe Street, between I-5 exits 168A and 168B. Open 4 a.m. to 11:30 p.m. daily.
Montlake Bicycle Shop
2223 24th Ave. E., Seattle
Within riding distance of the I-5 Colonnade Park. Mountain bike rentals start at $50 a day; helmet rentals are $2.