4.7
(8666)
15,735
hikers
01:34
5.42km
140m
Hiking
Hike the easy O-Hill Blue Loop, a 3.4-mile trail in Observatory Hill with 466 feet of gain, offering a rugged, wooded experience.
Last updated: February 26, 2026
Waypoints
Start point
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3.81 km
Highlight • Summit
Tip by
5.42 km
End point
Way Types & Surfaces
Way Types
2.91 km
2.29 km
152 m
< 100 m
Surfaces
5.20 km
< 100 m
< 100 m
< 100 m
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Elevation
Highest point (250 m)
Lowest point (150 m)
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Saturday 23 May
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9°C
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This route was planned by komoot.
While the O-Hill Blue Loop is officially rated as an easy hike, the broader O-Hill trail system, which this route utilizes, is known for its ruggedness. You can expect sections that are quite raw, steep, and rocky, with significant roots. Some parts may even involve features typical of mountain bike trails like berms, which add to the challenge for hikers. It's a natural, primitive feel through wooded areas, offering a rigorous outdoor experience close to Charlottesville.
The O-Hill Blue Loop is approximately 5.4 kilometers (3.4 miles) long and generally takes around 1 hour and 35 minutes to complete. This duration can vary based on your pace and how often you stop to enjoy the surroundings.
Yes, the O-Hill trails are generally dog-friendly. Many walkers bring their dogs, especially on popular sections like the Upper Perimeter Multi Trail. Please ensure your dog is kept on a leash and that you clean up after them to maintain the trail for everyone.
Specific parking details for the O-Hill Blue Loop are not provided, but the O-Hill trail system is located near the University of Virginia. Hikers typically find parking in areas adjacent to the university or nearby residential streets, being mindful of any parking restrictions.
No, there are no specific permits or entrance fees required to access the O-Hill trail system, including the O-Hill Blue Loop. It's a publicly accessible trail network.
The O-Hill Blue Loop can be enjoyed year-round. Spring and fall offer pleasant temperatures and beautiful foliage. Summer can be warm and humid, so an early start is recommended. Winter hiking is also possible, but be mindful of potentially slippery conditions due to ice or wet leaves on the rugged terrain.
While the O-Hill trails offer a natural, primitive feel through wooded areas, specific scenic overlooks aren't the primary focus. However, the route does pass by Mount Jefferson, which is a notable point on the route. The varied terrain itself provides a sense of being in a more remote environment.
Yes, the O-Hill Blue Loop is part of a dense network of trails. This route specifically covers sections of the O-Hill Blue Loop (93%), O-Hill Black Loop (93%), and the Rivanna Trail Loop (54%), among others. This allows for varied exploration and the possibility to extend or shorten your hike.
While the O-Hill Blue Loop is rated as 'easy' in terms of overall difficulty, the terrain can be quite rugged with roots, rocks, and some steep sections. For beginners or families with young children, it's important to be prepared for these conditions. The 'Upper Perimeter Multi Trail' within O-Hill is often cited as a more universally easy and popular option for walkers and dogs, which might be a good starting point if you're new to the area.
Given the rugged and sometimes steep terrain, sturdy hiking shoes with good ankle support are highly recommended. Dress in layers appropriate for the weather, and bring plenty of water, especially during warmer months. A small backpack for snacks, a first-aid kit, and navigation tools (like the komoot app) would also be beneficial.