Obsidian Flat

Yosemite

Obsidian Flat

Yosemite

About this campsite

Overview

Obsidian Flat Group Campground, located just outside of Mammoth Lakes, California, provides an opportunity for a group to enjoy a secluded getaway in the eastern Sierra Nevada Mountains. With a peaceful forested setting and mountain views, the campground's location is perfect for relaxing and spending time in nature.

The area is popular for exploring the surrounding forest and geology, as well as nearby hiking, bicycling, fishing and off-road vehicle riding options.

Recreation

The eastern Sierras are known for their exceptional trout fishing. Campers can try their luck in Deadman Creek.

The majestic scenery and challenging trails are an obvious draw for hikers, mountain bikers and off-road vehicle enthusiasts. Deadman Creek Trail leads hikers into the spectacular Ansel Adams Wilderness.

Facilities

One group camping area can accommodate one group of up to 50 people, and up to five RVs (up to 40 feet in length) or 15 vehicles at a time. The site is fairly primitive and is equipped with a picnic table, vault toilet, campfire ring and bear-proof locker for food storage.

Natural Features

The campground is named after an obsidian lava flow nearby. It is situated in a pine forest at an elevation of 7,800 feet. Deadman Creek is adjacent to the facility, and several lakes are down the road.

Many species of wildlife call the mountains home, such as black bear, mountain lions, mule deer, pine marten, pika and numerous fish and birds.

Contact Info

Between 05/01/2025 and 09/30/2025 this location is staffed. Please call (760) 647-3044 to speak with local staff. From 10/01/2025 to 04/30/2026 this location is unstaffed. Please call (760) 647-3005 for general information.

Nearby Attractions

Hikers can access the scenic Ansel Adams Wilderness via nearby trails, and Yosemite National Park is a great day trip.

Ansel Adams Wilderness

Yosemite National Park

Location

OBSIDIAN FLAT•CA

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Weather Forecast

via Open-Meteo

SUN☁️

22° / 10°

💧 1%

TODAY☁️

22° / 11°

💧 8%

TUE☁️

22° / 11°

—

WED☁️

23° / 10°

—

THU☁️

23° / 10°

—

Nearby Campsites

within 50km

7.2 km away

REVERSED CREEK CAMPGROUND

Overview Reversed Creek Campground is a small, shaded and private facility in the June Lake area of the eastern Sierra Nevada Mountains. Within a few miles, campers can access two lakes with fishing and boating opportunities, scenic views and the small town of June Lake. Recreation A variety of water and land-based activities surround the campground. Gull Lake, across from the campground entrance, and nearby June Lake offer great rainbow trout fishing. Campers also enjoy paddling down Mono Creek or hiking the area's various trails, including one to Mammoth Rock and scenic Sherwin Lakes and Gaylor Lake Trails. A drive along the June Lake Loop results in expansive views of rugged mountain peaks and several lakes. Facilities This is a small facility with private campsites well-spaced around a loop. Each campsite can accommodate a 30-foot vehicle. The facility provides drinking water, flush toilets and bear-proof lockers for food storage. Campers can make use of the boat ramp and marina at nearby June Lake Campground, as well as a swimming beach at Oh Ridge Campground. Natural Features The campground sits at an elevation of 7,600 feet in a stand of mature aspen trees. The area is surrounded by 11,000 and 12,000' peaks. Many species of wildlife call the mountains home, such as black bear, mountain lions, mule deer, pine marten, pika and numerous fish and birds. Nearby Attractions Hikers can access the scenic Ansel Adams Wilderness via nearby trails, and Mono Lake and Yosemite National Park are great day trips. Ansel Adams Wilderness Yosemite National Park Charges & Cancellations As you make travel plans that include reservations on Recreation.gov , there are standard policies that apply to most locations of which you should be aware. Do keep in mind, however, that there are many exceptions, so it is best to review reservation information listed on individual facility pages for those policies and procedures that pertain to your specific locations. Any location or activity requiring a permit or lottery will have unique requirements and policies. Please check individual facility pages for pertinent information for those sites. Change and Cancellation Policies and Fees Overnight and Day Use Facilities: To ensure fairness, reservation arrival or departure dates may not be changed beyond the booking window until 18 days after booking the reservation. Camping / Day Use: A $10.00 service fee will apply if you change or cancel your reservation (including campsites, cabins, lookouts, group facilities, etc.). The $10.00 service fee will be deducted from the refund amount. You can cancel or change reservations through Recreation.gov or by calling 1-877-444-6777. Late Cancellations Overnight and Day Use Facilities: Late cancellations are those cancelled between 12:01 a.m. (Eastern) on the day before arrival and check out time on the day after arrival. Individual Campsites: If a customer cancels a reservation the day before or on the day of arrival they will be charged a $10.00 service fee and will also forfeit the first night's use fee (not to exceed the total paid for the original reservation). Cancellations for a single night's reservation will forfeit the entire use fee but no cancellation fee will apply. Cabins / Lookouts: Customers will be charged a $10.00 cancellation fee and forfeit the first night's use fee if a cabin or lookout reservation is cancelled within 14 days of the scheduled

7.3 km away

GULL LAKE CAMPGROUND

Overview Gull Lake Campground is a small, shaded and private facility in the June Lake area of the eastern Sierra Nevada Mountains. Within a few miles, campers can access two lakes with fishing and boating opportunities, scenic views and the small town of June Lake. Recreation A variety of water and land-based activities surround the campground. Nearby June Lake offer great rainbow trout fishing. Campers also enjoy paddling down Mono Creek or hiking the area's various trails, including one to Mammoth Rock and scenic Sherwin Lakes and Gaylor Lake Trails. A drive along the June Lake Loop results in expansive views of rugged mountain peaks and several lakes. Facilities Gull Lake Campground is a small campground with eleven sites. Five of the sites are on Gull Lake. All sites will accommodate tents. Motor homes and travel trailers under 25’ will fit on all sites. Longer RV’s are not recommended because of short site pads and a narrow cul-de-sac turnaround Natural Features The campground sits at an elevation of 7,600 feet in a stand of mature aspen trees. The area is surrounded by 11,000 and 12,000' peaks. Many species of wildlife call the mountains home, such as black bear, mountain lions, mule deer, pine marten, pika and numerous fish and birds. Nearby Attractions Hikers can access the scenic Ansel Adams Wilderness via nearby trails, and Mono Lake and Yosemite National Park are great day trips. Ansel Adams Wilderness Yosemite National Park Charges & Cancellations As you make travel plans that include reservations on Recreation.gov , there are standard policies that apply to most locations of which you should be aware. Do keep in mind, however, that there are many exceptions, so it is best to review reservation information listed on individual facility pages for those policies and procedures that pertain to your specific locations. Any location or activity requiring a permit or lottery will have unique requirements and policies. Please check individual facility pages for pertinent information for those sites. Change and Cancellation Policies and Fees Overnight and Day Use Facilities: To ensure fairness, reservation arrival or departure dates may not be changed beyond the booking window until 18 days after booking the reservation. Camping / Day Use: A $10.00 service fee will apply if you change or cancel your reservation (including campsites, cabins, lookouts, group facilities, etc.). The $10.00 service fee will be deducted from the refund amount. You can cancel or change reservations through Recreation.gov or by calling 1-877-444-6777. Late Cancellations Overnight and Day Use Facilities: Late cancellations are those cancelled between 12:01 a.m. (Eastern) on the day before arrival and check out time on the day after arrival. Individual Campsites: If a customer cancels a reservation the day before or on the day of arrival they will be charged a $10.00 service fee and will also forfeit the first night's use fee (not to exceed the total paid for the original reservation). Cancellations for a single night's reservation will forfeit the entire use fee but no cancellation fee will apply. Cabins / Lookouts: Customers will be charged a $10.00 cancellation fee and forfeit the first night's use fee if a cabin or lookout reservation is cancelled within 14 days of the scheduled arrival date. Cancellations for a single night's use will not be assessed a service fee. Group Facility: If a customer cancels a group overnight facility reservation within 14 days of the scheduled arrival date they will be charged the $10.00 service fee and forfeit the first night's use fee. Cancellations for a single

7.5 km away

JUNE LAKE

Overview Easy access to fishing, a marina and boat rentals make June Lake Campground a favorite spot for both families and anglers. The facility sits in the eastern Sierra Nevada Mountains in close proximity to the Ansel Adams Wilderness, Yosemite National Park and Mono Lake. The town of June Lake offers the convenience of shopping and dining, while the surrounding land and lakes provide ample outdoor recreation opportunities. Recreation Campers have no problem staying busy and enjoying the outdoors. Fishing for rainbow and Alpers trout, canoeing, boating and walking are just some of the activities available around the lake. Numerous trails lie minutes away, an obvious draw for hikers, mountain bikers and off-road vehicle enthusiasts. The Fern Lake Trail, a short drive away, leads into the scenic Ansel Adams Wilderness. Skiing is a major winter pastime in the area. A drive along the June Lake Loop results in expansive views of rugged mountain peaks and several lakes. Facilities The campground is a moderate size, with campsites scattered around a few overlapping loops. The facility provides drinking water, flush toilets and bear-proof lockers for food storage. Two marinas are close by, though not directly within the campground. Gift shopping, groceries and restaurants are within walking distance in the town of June Lake. Natural Features Campsites are located in a mixed aspen and pine forest above the eastern shoreline of beautiful, 257-acre June Lake. Many points in the campground have views of the surrounding 11,000 and 12,000' peaks. The campground's elevation is 7,600 feet. Many species of wildlife call the mountains home, such as black bear, mountain lions, mule deer, pine marten, pika and numerous fish and birds. Nearby Attractions Mono Lake and its many activities are minutes away. Hikers can access the scenic Ansel Adams Wilderness via nearby trails, and Yosemite National Park is a great day trip. Ansel Adams Wilderness Yosemite National Park Charges & Cancellations As you make travel plans that include reservations on Recreation.gov , there are standard policies that apply to most locations of which you should be aware. Do keep in mind, however, that there are many exceptions, so it is best to review reservation information listed on individual facility pages for those policies and procedures that pertain to your specific locations. Any location or activity requiring a permit or lottery will have unique requirements and policies. Please check individual facility pages for pertinent information for those sites. Change and Cancellation Policies and Fees Overnight and Day Use Facilities: To ensure fairness, reservation arrival or departure dates may not be changed beyond the booking window until 18 days after booking the reservation. Camping / Day Use: A $10.00 service fee will apply if you change or cancel your reservation (including campsites, cabins, lookouts, group facilities, etc.). The $10.00 service fee will be deducted from the refund amount. You can cancel or change reservations through Recreation.gov or by calling 1-877-444-6777. Late Cancellations Overnight and Day Use Facilities: Late cancellations are those cancelled between 12:01 a.m. (Eastern) on the day before arrival and check out time on the day after arrival. Individual Campsites: If a customer cancels a reservation the day before or on the day of arrival they will be charged a $10.00 service fee and will also forf

8.5 km away

AGNEW MEADOWS GROUP CAMP

Overview Agnew Meadows Group Campground is located in the Reds Meadow Valley section of the eastern Sierra Nevada Mountains, just west of the full-service community of Mammoth Lakes, California. Popular with large families, this group camping facility provides access to some of the most spectacular wilderness in the Sierras and many outdoor activities such as horseback riding, fishing, hiking and photography. Devils Postpile National Monument and the famous Ansel Adams Wilderness are nearby, and a pack station with horseback riding tours and supplies is just down the road. Recreation This campground is a great base camp for hiking the area's many trails. Within a few miles, campers will find the High Trail, Shadow Creek Trail and River Trail, all open to hiking and horseback riding. Trailheads to the Ansel Adams Wilderness and Pacific Crest Trail are in the vicinity. Hikers are required to ride a shuttle to the trailheads. Fishing enthusiasts can try for trout in the many area lakes or the North Fork of the San Joaquin River. Facilities This facility offers sites that can accommodate groups of up to 10 and 20 people. It is adjacent to the main Agnew Meadows Campground and Horse Camp. The road to the facility is narrow, single-lane and only open in summer. Natural Features The campground sits in a lodgepole pine forest surrounded by high mountain peaks, adjacent to creeks and a small lake. The elevation is 8,400 feet. Spring and early summer wildflower displays bring even more color to the landscape. Many species of wildlife call the mountains home, such as black bear, mountain lions, mule deer, pine marten, pika and numerous fish and birds. Nearby Attractions The area is close to Devils Postpile National Monument and the Ansel Adams Wilderness. Both areas have trails, unparalleled photographic opportunities and are great day trips. Reds Meadow Pack Station and Resort has a general store and cafe. The trailhead for Rainbow Falls also begins near Reds Meadow. Devils Postpile National Monument Ansel Adams Wilderness Charges & Cancellations As you make travel plans that include reservations on Recreation.gov , there are standard policies that apply to most locations of which you should be aware. Do keep in mind, however, that there are many exceptions, so it is best to review reservation information listed on individual facility pages for those policies and procedures that pertain to your specific locations. Any location or activity requiring a permit or lottery will have unique requirements and policies. Please check individual facility pages for pertinent information for those sites. Change and Cancellation Policies and Fees Overnight and Day Use Facilities: To ensure fairness, reservation arrival or departure dates may not be changed beyond the booking window until 18 days after booking the reservation. Camping / Day Use: A $10.00 service fee will apply if you change or cancel your reservation (including campsites, cabins, lookouts, group facilities, etc.). The $10.00 service fee will be deducted from the refund amount. You can cancel or change reservations through Recreation.gov or by calling 1-877-444-6777. Late Cancellations Overnight and Day Use Facilities: Late cancellations are those cancelled between 12:01 a.m. (Eastern) on the day before arrival and check out time on the day after arrival. Individual Campsites: If a customer cancels a reservation the day before or on the day of arrival they will be charged a $10.00 servi

8.5 km away

AGNEW HORSE CAMP

Overview Agnew Horse Camp is located in Reds Meadow Valley, just west of the full-service community of Mammoth Lakes, California. This equestrian camp provides access to some of the most spectacular wilderness in the Sierras and many outdoor activities such as horseback riding, fishing, hiking and photography. Devils Postpile National Monument and the famous Ansel Adams Wilderness are nearby, and a pack station with several amenities is just down the road. Recreation The campground is a great base camp for hiking the area's many trails. Within a few miles, campers will find the High Trail, Shadow Creek Trail and River Trail, all for hiking and horseback riding. Trailheads to the Ansel Adams Wilderness and Pacific Crest Trail are also in the vicinity. Some of the terrain can be challenging for horses, especially due to the high elevation. Fishing enthusiasts can try for trout in the many area lakes or the North Fork of the San Joaquin River. Facilities The horse camp is adjacent to the main Agnew Meadows Campground and group camp. Four equestrian-friendly campsites are available with one horse corral per site. The road to the facility is narrow, single-laned, max trailer length of 25 feet recommended and only open in summer. Natural Features The campground sits in a lodgepole pine forest surrounded by high peaks, adjacent to creeks and a small lake, at an elevation of 8,400 feet. Spring and early summer wildflower displays bring even more color to the landscape. Many species of wildlife call the mountains home, such as black bear, mountain lions, mule deer, pine marten, pika and many species of fish and birds. Nearby Attractions The area is close to Devils Postpile National Monument and the Ansel Adams Wilderness. Both areas provide great day trips, offering horseback riding and hiking trails, as well as unparalleled photographic opportunities. Reds Meadow Pack Station and Resort has a general store and cafe. The trailhead for Rainbow Falls also begins near Reds Meadow. Devils Postpile National Monument Ansel Adams Wilderness Charges & Cancellations Once your reservation start date has begun, neither the Recreation.gov Contact Center nor the campground manager will be able to modify your reservation.