CancelYes
See All Photos
Hahamonga Watershed Natural Park in Altadena | Map and Routes
Sports Facility · Pond · Wetland
5 (279 ratings)
Welcome to Hahamonga Watershed Natural Park, located in Altadena, United States. This stunning 291.8-acre park offers a diverse range of walking and hiking activities, making it the ideal destination for ...
Welcome to Hahamonga Watershed Natural Park, located in Altadena, United States. This stunning 291.8-acre park offers a diverse range of walking and hiking activities, making it the ideal destination for outdoor enthusiasts. Whether you're looking for a leisurely stroll or a more challenging hike, this park has something to suit all levels of fitness and experience. With its picturesque trails and breathtaking scenery, Hahamonga Watershed Natural Park provides an immersive outdoor experience for walkers and hikers alike. One of the park's highlights is the El Prieto Trail - Arroyo Seco Road, a 3.1-mile route that boasts a 4.5-star rating and has received rave reviews from hikers. For those seeking a shorter, yet equally rewarding walk, the West Rim Trail offers a picturesque 0.5-mile trek with a 4.0-star rating. With a variety of trails catering to different preferences and fitness levels, visitors can easily customize their walking or hiking experience at Hahamonga Watershed Natural Park. For more information about the park's routes and additional walking/hiking activities, users can download Pacer Pedometer. This user-friendly app provides detailed insights into the park's trails, including distance, estimated time, and user reviews, allowing visitors to plan their outdoor adventures with ease. Whether you're a seasoned hiker or a casual walker, Hahamonga Watershed Natural Park promises an enriching and invigorating experience amidst its natural splendor.
View MoreView More940 Ventura St, Altadena, CA 91001, USA34.1936° N , -118.1723° W
Directions
Open in App for Detail
This park has a total of 25 photos
See All Photos
Overview
Check-in
Routes
Reviews (11)
Photos (25)
Walking and Hiking in Hahamonga Watershed Natural Park
Located in Altadena, United States, Hahamonga Watershed Natural Park is a paradise for walking and hiking enthusiasts. The park offers a variety of amenities, including ample parking lots, restrooms, and picnic sites, making it convenient for visitors to enjoy their outdoor activities. With its stunning natural beauty and well-maintained trails, ...
Located in Altadena, United States, Hahamonga Watershed Natural Park is a paradise for walking and hiking enthusiasts. The park offers a variety of amenities, including ample parking lots, restrooms, and picnic sites, making it convenient for visitors to enjoy their outdoor activities. With its stunning natural beauty and well-maintained trails, this park is the ideal destination for walkers and hikers seeking a peaceful and rejuvenating experience. Whether you're looking for a leisurely stroll or a challenging hike, Hahamonga Watershed Natural Park has something to suit every level of outdoor activity. The park's sports facilities also cater to horse riding enthusiasts, adding to the diverse range of activities available. Plan your next walking or hiking adventure at Hahamonga Watershed Natural Park and immerse yourself in the beauty of nature while staying active and healthy.
View MoreView MoreOther Info about Hahamonga Watershed Natural Park
Hourssunrise-sunset
Phone(626) 744-7500Websitehttps://www.cityofpasadena.net/parks-and-rec/parks/hahamongna-watershed-park/
Facebookhttps://www.facebook.com/savehahamongnawatershed/
Essential Amenities in Hahamonga Watershed Natural Park
Hahamonga Watershed Natural Park Sport Facilities
Best Walking Routes in Hahamonga Watershed Natural Park
#1 - El Prieto Trail - Arroyo Seco Road
6
Length: 3.1 milesEst. Time: 53m
El Prieto Trail - Arroyo Seco Road is a 3.1 mile (7,000-step) route located near Altadena, California, USA. This route has an elevation gain of about 469 ft and is rated as medium. Find the best walking trails near you in Pacer App.
#2 - West Rim Trail
1
Length: 0.5 milesEst. Time: 7m
West Rim Trail is a 0.5 mile (1,000-step) route located near La Cañada Flintridge, California. This route has an elevation gain of about 23 ft and is rated as easy. Find the best walking trails near you in Pacer App.
See All Routes
See All Routes
Hahamonga Watershed Natural Park Leaderboard
RankingCheck-ins
4
175
136
97
98
89
510
4*Leaderboard only shows top 10 users. Only public activities are eligible for leaderboards. For any one park, a user can only check-in a maximum of once per day.
Nearby Parks
FAQs About Hahamonga Watershed Natural Park
Where is the best place to walk in Hahamonga Watershed Natural Park?
The best place to walk in Hahamonga Watershed Natural Park is along the El Prieto Trail - Arroyo Seco Road. This trail is highly rated with a 4.5-star rating and has been reviewed by 6 members of the Pacer community.
How many routes are in Hahamonga Watershed Natural Park?
There are two routes in Hahamonga Watershed Natural Park, including the El Prieto Trail - Arroyo Seco Road and the West Rim Trail. Both routes offer different experiences and scenery for walkers and hikers.
Which is the longest route in Hahamonga Watershed Natural Park?
The longest route in Hahamonga Watershed Natural Park is the El Prieto Trail - Arroyo Seco Road, which spans 3.1 miles. This trail is recommended for those looking for a longer and more challenging walk or hike.
Are there facilities or amenities for walkers/hikers in Hahamonga Watershed Natural Park?
Yes, Hahamonga Watershed Natural Park offers essential amenities such as parking lots, restrooms, drinking water, and picnic sites, making it convenient for walkers and hikers to enjoy their time in the park.
How accessible is Hahamonga Watershed Natural Park?
Hahamonga Watershed Natural Park is easily accessible with its well-maintained parking lots, making it convenient for visitors to reach the park and start their walking or hiking activities.
What kind of sports can I do in Hahamonga Watershed Natural Park?
In Hahamonga Watershed Natural Park, visitors can enjoy horse riding as one of the available sports facilities. The park provides an excellent opportunity for equestrian activities amidst its beautiful natural surroundings.
What is the best season to walk in Hahamonga Watershed Natural Park?
The best season to walk in Hahamonga Watershed Natural Park is during the spring and fall when the weather is mild and comfortable for outdoor activities.
What are the typical weather conditions to prepare for in Hahamonga Watershed Natural Park?
The typical weather conditions in Hahamonga Watershed Natural Park include warm and dry summers, with temperatures often exceeding 90°F (32°C), and cool, wet winters with temperatures averaging around 60°F (15°C). It's important to prepare for hot and dry conditions during summer and occasional rainfall during winter.
What kind of wildlife might you encounter in Hahamonga Watershed Natural Park?
Hahamonga Watershed Natural Park is home to a variety of wildlife, including deer, coyotes, rabbits, and a wide range of bird species. Visitors may also encounter lizards, snakes, and various insects. It's important to be respectful of the park's wildlife and observe them from a safe distance.
Last updated: Dec 2, 2025