Chattanooga to Harrison Bay State Park via US Bike Route 21
Chattanooga to Harrison Bay State Park via US Bike Route 21
4.7
(5449)
14,277
riders
02:53
45.3km
490m
Cycling
This touring bicycle route takes you from Chattanooga to the scenic Harrison Bay State Park, offering a challenging ride. You'll cover 28.1 miles (45.3 km) with a significant elevation gain of 1594 feet (486 metres), making it a difficult journey. Expect varied terrain as you cycle, leading you towards the beautiful lake and natural surroundings of the park. The estimated duration for this ride is around 2 hours and 52 minutes, providing a good workout with rewarding views as you approach the bay.
Before you set out, consider where you'll park in Chattanooga to begin your touring bicycle adventure. Once you reach Harrison Bay State Park, you'll find amenities available, but it's wise to check ahead for any entry fees or permits required for cycling within the park itself. Given the route's difficult rating, make sure you are well-prepared with enough water and supplies for the nearly three-hour ride. Planning your start time to avoid peak heat or traffic can also enhance your experience on this challenging route.
This route is a significant section of US Bike Route 21 in Tennessee, providing a direct and scenic connection to Harrison Bay State Park. It's a key point of interest for cyclists looking to explore the region's natural beauty and offers a substantial workout. The journey culminates at Harrison Bay State Park, known for its expansive lake and opportunities to relax after your ride.
Last updated: April 23, 2026
Waypoints
Start point
Parking
Get Directions
22.9 km
Highlight • Lake
Tip by
45.3 km
End point
Parking
Way Types & Surfaces
Way Types
21.1 km
14.5 km
9.65 km
< 100 m
Surfaces
27.1 km
16.1 km
2.14 km
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Elevation
Highest point (250 m)
Lowest point (200 m)
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Weather
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Today
Wednesday 6 May
22°C
17°C
86 %
Additional weather tips
Max wind speed: 12.0 km/h
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This route was planned by komoot.
This route is rated as difficult for touring cycling. It covers a distance of approximately 45.3 km (28.1 miles) with an elevation gain of about 486 meters (1,594 feet). Cyclists should be prepared for sustained climbs and descents.
On average, completing this touring cycling route takes approximately 2 hours and 52 minutes. This duration can vary based on your fitness level, speed, and how often you stop along the way.
The primary highlight on this route is Harrison Bay State Park, which serves as the destination. While the route primarily follows US Bike Route 21, you'll experience scenic views as you cycle towards the park.
While specific parking locations are not detailed, you would typically look for public parking options in Chattanooga near the starting point of US Bike Route 21 to begin your ride towards Harrison Bay State Park.
The best time to cycle in the Chattanooga area, including this route, is generally during the spring (April-May) and fall (September-October) when temperatures are milder and the scenery is vibrant. Summers can be hot and humid, while winters can be cold.
Cycling along US Bike Route 21 itself does not typically require permits or fees. However, Harrison Bay State Park, as a Tennessee State Park, generally has no entrance fees for day use, but specific activities or facilities within the park might have associated costs. It's always a good idea to check the park's official website for the most current information.
While the route itself follows public roads and bike paths, specific regulations for dogs may apply within Harrison Bay State Park. Generally, Tennessee State Parks allow dogs on trails and in campgrounds, but they must be kept on a leash no longer than six feet. Always clean up after your pet.
Yes, while primarily following US Bike Route 21 (Tennessee) for about 85% of its length, the route also briefly passes through sections of the Tennessee Riverwalk and various segments of the Star Walk Trail. You'll also encounter small portions of the Bay Point Loop Trail.
The terrain is varied, typical of a touring bicycle route with significant elevation changes. You can expect a mix of paved roads and potentially some dedicated bike paths. Given the 'difficult' rating and elevation, there will be both uphill climbs and downhill sections.
For a difficult touring cycling route of this length, essential gear includes a well-maintained touring bicycle, a helmet, appropriate cycling attire, water bottles or a hydration pack, snacks, a repair kit (spare tube, pump, tire levers), navigation tools (like komoot), and sun protection. Given the elevation, consider gearing suitable for climbs.
While specific establishments are not listed, US Bike Route 21 passes through various communities. You may find cafes, convenience stores, or small eateries in towns along the route or near Harrison Bay State Park. It's advisable to carry sufficient water and snacks, especially for longer stretches.