4.5
(61)
846
hikers
4
hikes
Urban hiking trails in Los Alamos County traverse a unique landscape shaped by ancient volcanic activity, situated on the Pajarito Plateau between the Jemez Mountains and the Rio Grande. The region features dramatic canyons, expansive mesas, and distinctive volcanic tuff formations. This topography provides a diverse network of routes, from leisurely walks to more challenging paths through varied environments. Hikers can explore deep canyons, open mesas, and diverse forest environments, all within close proximity to urban areas.
Last updated: May 10, 2026
1.0
(1)
9
hikers
7.79km
02:07
100m
130m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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3.28km
00:55
60m
60m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
2
hikers
4.40km
01:10
40m
40m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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Popular around Los Alamos County
The Acid Canyon Trail is a popular hiking trail that can be either completed as a loop or connects you to other hiking trails in the area. Its easy access from downtown Los Alamos, its relatively gentle grade, and scenic nature makes it a great option for people of all ages and ability levels.
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In wartime Los Alamos, the scarcity of houses with amenities like bathtubs made them a luxury reserved for the highest-ranking Manhattan Project leaders. Originally constructed by the Los Alamos Ranch School, these well-built homes on what became known as Bathtub Row were initially intended for faculty and special events. When the Manhattan Project acquired the school property, figures such as Dr. J. Robert Oppenheimer and Hans Bethe made these houses their homes. In contrast to the hastily constructed, amenity-limited housing for most project workers, Bathtub Row became synonymous with privilege, as its homes were among the few with coveted bathtubs, earning the street its unique nickname.
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Just across from the Los Alamos History Museum, there is an Ancestral Pueblo Dwelling that offers visitors insight into ancient indigenous Pueblo people cultural practices. Next to the dwelling is the Romero Cabin, which reflects the town's more recent history and early Spanish and American settlers' lifestyle. Together, these sites contribute to the museum's mission of interpreting the diverse history of the Pajarito Plateau, providing visitors with a comprehensive understanding of the cultural and historical layers that shape Los Alamos.
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The Oppenheimer House, part of the Manhattan Project National Historical Park in Los Alamos, New Mexico, holds historical significance as the former residence of J. Robert Oppenheimer, the scientific director of the Manhattan Project. Built in 1940, Oppenheimer with his wife Kitty, daughter Toni, and son Peter lived in this this modest dwelling from 1943-1945. Visitors can explore the house, now a museum, to learn about Oppenheimer's life and the intense scientific efforts that took place in the creation of the world's first atomic bomb.
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The Bradbury Science Museum, located in Los Alamos, New Mexico, is dedicated to showcasing the scientific and technological contributions of Los Alamos National Laboratory, particularly during the Manhattan Project. Named after the laboratory's second director, Dr. Norris E. Bradbury, the museum offers an immersive experience, featuring exhibits on nuclear science, physics, and the history of Los Alamos. Visitors can explore interactive displays, models, and artifacts, and learn about the laboratory's role in developing nuclear weapons and its ongoing contributions to various scientific fields. The museum aims to educate the public on the laboratory's research and its impact on national security and scientific advancements. Admission is free for visitors of all ages.
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Ashley Pond Park, situated within the Manhattan Project National Historic Park, holds significant historical value in Los Alamos, New Mexico. Named after the founder of the Los Alamos Ranch School, Ashley Pond, the park was a focal point during the Manhattan Project (1943-1947). It housed military facilities and played a crucial role in scientific research. Today, the park is a peaceful space with picturesque views of the surrounding landscape, and features memorials and interpretive signs commemorating the Manhattan Project's scientific and historical contributions. There is also the Ice House, which stands as a memorial to the Los Alamos Ranch School days and Project Y, on the southern bank of the pond.
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The Los Alamos History Museum, managed by the Los Alamos Historical Society, is in the oldest continually occupied structure in downtown Los Alamos. The building was initially built as an infirmary in 1918 and later served as a guest cottage for the Los Alamos Ranch School. During the Manhattan Project, it hosted General Leslie R. Groves. Now an award-winning museum, it offers a comprehensive exploration of the region's history, featuring exhibits on geology, anthropology, the Ranch School, and the Manhattan Project. Visitors can enjoy guided tours offering insights from ancient Puebloan ruins to the homestead-era Romero cabin (both located across from the museum) through 20th-century physics giants. Tickets are available for guided tours, with reservations recommended due to popularity. The museum itself is self-guided, and special programs are available for kids. Additionally, during the summer and fall, daily guided tours are available Monday–Friday at 10:00 a.m. and 1:30 p.m., with a Saturday tour at 11:00 a.m. The Winter Tour Schedule starting Nov. 6, 2023, includes one tour per day at 11:00 a.m., Monday-Saturday.
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Los Alamos, New Mexico, holds a significant place in history as the site of the top-secret Manhattan Project during World War II, where scientists developed the atomic bomb. Established in 1943, the Los Alamos National Laboratory remains a key center for scientific research. Beyond its historical importance, Los Alamos offers diverse outdoor recreational opportunities. The surrounding landscape features the stunning Bandelier National Monument, known for its ancient Pueblo dwellings and scenic canyons. The nearby Valles Caldera National Preserve offers opportunities for fishing, wildlife viewing, and exploring the remnants of a massive volcanic crater.
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Komoot features 4 urban hiking trails in Los Alamos County. These routes offer a mix of easy walks and moderate challenges, perfect for exploring the town's unique landscape and history.
For an easy, family-friendly urban hike, consider the Acid Canyon Loop. It's an accessible trail close to town, offering a peaceful experience with lush vegetation and footbridges. Another great option is the Los Alamos and the Manhattan Project National Historical Park Walking Tour, which combines light walking with historical exploration.
Yes, the Los Alamos and the Manhattan Project National Historical Park Walking Tour is specifically designed for this. It guides you through significant sites related to the Manhattan Project, offering a unique blend of urban exploration and historical education. You can also explore the Bradbury Science Museum – Los Alamos loop.
Urban hikes in Los Alamos County often provide stunning contrasts. Trails like the Canyon Rim Trail offer scenic views overlooking deep canyons and the open desert, while others wind through volcanic tuff formations and forested areas. You'll experience the unique topography of the Pajarito Plateau, with glimpses of the Jemez Mountains and White Rock Canyon.
Yes, several urban trails in Los Alamos County are circular. The Acid Canyon Loop is a great example, providing a convenient round trip. Another circular option is the Bradbury Science Museum – Los Alamos loop, which takes you through town and past key attractions.
Along urban trails, you can discover several interesting points. The Los Alamos and the Manhattan Project National Historical Park Walking Tour passes by historical sites. You might also encounter natural features like the Los Alamos Natural Arch or enjoy views from the White Rock Canyon Overlook, depending on your chosen route.
The urban hiking trails in Los Alamos County are highly rated by the komoot community, with an average score of 4.3 stars. Reviewers often praise the unique combination of natural beauty and historical significance, as well as the accessibility of trails close to town.
Los Alamos County offers a free bus system, Atomic City Transit, which can provide access to various points around town, including areas near some urban trailheads. It's advisable to check their routes and schedules to plan your access to specific trails.
Los Alamos County boasts abundant sunny days, making urban hiking enjoyable year-round. Spring and fall offer pleasant temperatures and vibrant scenery, while summer mornings and evenings are ideal. Even winter can be beautiful, with trails often remaining accessible due to the region's generally mild conditions.
Yes, the Canyon Rim Trail is an excellent choice for this. It provides expansive views overlooking the dramatic canyons that characterize the Los Alamos landscape, offering a sense of the region's unique geological history right from the edge of town.
Many trails in Los Alamos County are dog-friendly, but it's always best to check specific trail regulations before heading out. Generally, dogs are welcome on leash, and it's important to practice Leave No Trace principles by cleaning up after your pet. The Acid Canyon Loop is a popular choice for dog walkers.


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