Los Alamos: Hike Acid Canyon Trail

Experience Acid Canyon Trail in any season.

NPS

The geography of this area contributed to the selection of Los Alamos as the site for the Manhattan Project’s secret laboratory. For a short hike around Los Alamos, look no further than Acid Canyon Trail. Many of the scientists who lived and worked in Los Alamos took advantage of the surrounding recreational opportunities This trail specifically was built around 1920 by the Los Alamos Ranch School. 

Trail Basics 

Acid Canyon Trail is a 0.9 mile (1448 m), 200 foot (61 m) elevation trail forms a loop that follows a bedrock fire road through beautiful open pine stands. The second half of the loop is steep. This trail begins at the Los Alamos County Aquatic Center with the trailhead sign just to the left of the building. 

Hiking Tips 

Make sure to bring plenty of water, be aware of changing weather conditions. Summer thunderstorms can occur. Pack the 10 essentials including sunscreen, hat, and sunglasses. 
 

Learn more about this trail on the Los Alamos County website (scroll past the Aquatic Center Trailhead information). 

Details

Duration

30-90 Minutes

Activity

Hiking

Pets Allowed

Yes with Restrictions

Leashed pets are allowed on this trail.

Activity Fee

No

Entrance fees may apply, see Fees & Passes information.

Location

Acid Canyon Trailhead

Trailhead is located near the Aquatic Center.

Reservations

No

Season

Year Round

Time of Day

Day

Accessibility Information

Acid Canyon Trail is a 0.9 mile (1448 m) loop, with 200 foot (61 m) elevation over rough and uneven terrain. The second half of the loop is steep and more challenging. While you could hike this trail in any season, snow and ice can be on the ground throughout winter months, making the trail more difficult to navigate. For more information on Acid Canyon visit the Los Alamos County website.