River Otter and Rachel Carson Greenway Loop
River Otter and Rachel Carson Greenway Loop
3.3
(16)
84
hikers
01:29
5.48km
80m
Hiking
The River Otter and Rachel Carson Greenway Loop offers a serene escape into a surprisingly wild landscape, perfect for a peaceful outing. You'll wander through dense forests, catch glimpses of the Hawlings River, and discover striking rock formations and a restored wildflower meadow. The trail provides a genuine sense of wilderness, making it a fantastic option for those who love varied natural scenery.
This easy 3.4-mile (5.5 km) hiking loop involves 246 feet (75 metres) of elevation gain and typically takes about 1 hour and 29 minutes to complete. While there are roots and some noticeable inclines, the trail is generally well-cleared and accessible. It's a great choice for a relatively quick, rewarding hike without extreme challenges, suitable for most fitness levels.
Beyond its natural beauty, the park holds significance as it's named after renowned biologist Rachel Carson, who lived nearby. This area is a haven for biodiversity, with opportunities to spot nesting eagles, deer, and even river otters. It's a wonderful place to connect with nature and appreciate the rich ecological heritage of Montgomery County.
Last updated: June 9, 2026
Tips
Your route passes through a protected area
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Waypoints
Start point
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509 m
Highlight (Segment) • Trail
Tip by
1.58 km
Highlight • River
Tip by
2.40 km
Highlight (Segment) • Trail
Tip by
5.48 km
End point
Way Types & Surfaces
Way Types
5.06 km
364 m
< 100 m
Surfaces
5.06 km
364 m
< 100 m
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Elevation
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Today
Sunday 12 July
28°C
19°C
55 %
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Max wind speed: 13.0 km/h
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This route was planned by komoot.
Yes, the River Otter Trail, especially when combined with the Fern Valley Trail, is generally considered easy and suitable for most fitness levels, including families. However, some sections of the broader Rachel Carson Greenway can be more challenging with natural surfaces, embedded rocks, and hills, which might be more demanding for very young children.
The terrain primarily consists of natural surface trails, often with embedded rocks and uneven sections. Hikers should be prepared for potential muddy areas, especially after rain. While much of the trail is natural, some sections, particularly after crossing Colesville Road and the Capitol Beltway, are paved. There are also 'rustic' sections designated exclusively for hikers within the broader Rachel Carson Greenway.
You can expect to traverse dense woodlands and open meadows, offering a blend of natural environments. The trail provides picturesque views of the Hawlings River and Northwest Branch. The park boasts high-quality forest and striking rock outcroppings. A notable scenic highlight on the Rachel Carson Greenway Trail near Burnt Mills West Special Park is a beautiful waterfall.
The area is rich in wildlife, offering opportunities to spot various bird species, deer, salamanders, and frogs, particularly when vernal pools appear. The park is recognized as one of the county's premier conservation areas, densely populated with numerous species.
While specific parking details are not provided, the River Otter Trail provides a key side entrance into the Rachel Carson Conservation Area, which is part of the larger Rachel Carson Conservation Park. Look for designated parking areas within or adjacent to the park.
Information regarding dog-friendliness for this specific loop is not provided in the available data. It is always recommended to check the official regulations for Rachel Carson Conservation Park regarding pets before your visit.
The available information does not specify any permit requirements or entrance fees for Rachel Carson Conservation Park. However, it's always advisable to check the official park website or local regulations for any updates before your visit.
The best time to visit can depend on your preferences. Spring and fall generally offer pleasant temperatures and beautiful foliage. Spring also brings the appearance of vernal pools, increasing chances of spotting salamanders and frogs. Be prepared for potential muddy areas after rain, regardless of the season.
Yes, the route is part of a larger interconnected trail system. The River Otter Trail links up with other trails within the Rachel Carson Conservation Park. The overall Rachel Carson Greenway is part of a larger planned 25-mile trail system, connecting various neighborhoods, parks, and recreational areas. The route also passes through sections of the Rachel Carson Greenway, Fern Valley Trail, and Hidden Pond Trail.
The trail system is named in honor of Rachel Carson, the pioneering environmentalist and author of 'Silent Spring.' A point of interest along some routes is the historic Burnt Mills Dam, offering a glimpse into the region's past. The park itself is known for its high-quality forest and striking rock outcroppings.
The estimated duration for this specific loop is approximately 1 hour and 29 minutes, covering a distance of about 5.5 kilometers (3.4 miles). This duration can vary based on your pace and how often you stop to enjoy the scenery.
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